1968 Pontiac Tempest Custom Convertible Finale!! She's for Sale at Copart!!
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- เผยแพร่เมื่อ 16 ต.ค. 2024
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Why are you selling it for less than you paid Randy?
Sue for rescission why waste all that effort
The secondary diaphragm housing on the Holley has a vacuum port sealed with an o-ring to the carb body, this port is internal and is routed to the venturi on the primary side, airflow causes vacuum to increase in the primary venturi enough to allow atmospheric pressure to override the spring in the secondary diaphragm housing, pushing the secondary throttle blades open.
If that's a Pontiac 350 it should have more power. Maybe it's a GM 307.
That's right this guy just understand old cars
@@danielventura8073 No way... that is a Pontiac engine 100%. However it could be a 326.. especially considering it is a tempest with a 2 speed. The only V8's that were made for that car in 68 is a 326 or a 350. Unless GTO, then only the 400. But they are all the same blocks any many parts are interchangeable.
But regardless the main problem with that car is the 2 speed trans, They came with terrible gearing for power.. like a 2.60 ish. If you swap to a 3 speed auto and better gearing like a 3.23 that would wake it up some. This is a heavy car and with that trans is meant to just putt along.
If the green on the Tempest was the same as on the GTO in '68 then it is called Verdoro Green. My friend had just returned from Vietnam and bought a brand new '68 GTO in that green. Just beautiful.
The Verdoro green was very dark. My dad had a 68 GTO that color. They also had a much lighter green back then popular on the lemans and tempests.
Cooper Tires have been around forever and are great tires!
Yes they are. I keep Cooper all-terrain's on my 2000 Tacoma 4x4. I've bought them several times over the years. No complaints here. I bought the truck new 21 yrs ago, and it still runs like new on all original engine & drive train.
Not sure if Diamondback Tires out South Carolina are still in business, but they treated me WAAAAY better than Coker Tires did. They were also much less expensive. They made custom smooth-side redline tires to my spec for my ‘72 Luxury LeMans. They were 2/3 the price of off-the-shelf Coker’s. And they were made from high quality radials - essentially they lathed down the factory lettering, then did some kind of permanent heat bonding of the redline. I highly recommend them for classic-looking tires.
Randy the hose running forward to behind the passenger side headlight is for the windshield washer reservoir. The reservoir attaches to the wheel well in the open space between the core support and the wheel well. Also the ideal set up for the vacuum advance should be ported vacuum. Intake vacuum for the transmission modulator valve and heater controls. You can buy a fitting that threads into the intake where the brake booster gets it's vacuum that has an additional port for intake vacuum as well as having your break booster.
No,that vacuum port does not control the secondarys it gets the vaccuum from inside carb where it bolts to The edelbrock will nit work without a adapter on the Qjet manifold,although it flows like crap,u still have to run it,unless u swap manifolds
BOP didnt have powerglides they was the :The Super Turbine 300 (abbreviated ST-300) was a two-speed automatic transmission built by General Motors. It was used in various Buick, Oldsmobile, and Pontiac models from 1964-1969.
I wondered if someone would pipe up on that one. Beat me to it.
Wow, I just learned something new, thank you very much for sharing that.
I’ve only experienced one 2-speed transmission in my lifetime and that was my dad’s old 67 C-10 that he owned in the early 80s. I knew that transmission was a 2-speed powerglide and I never knew GM had built any other 2-speed transmissions.
I loved the way my dad’s powerglide shifted. Sure it wasn’t a speed demon but he lived in a pretty rural area without much traffic back then. I loved how it would go and go and go in 1st gear and then all the sudden when you least expected it shift to 2nd. I loved the wide gearing, I thought it was pretty cool.
That’s interesting that Buick, Olds & Pontiac had their own transmissions although I guess that sort-of makes sense since they also had their own dedicated engines back in those days.
I did not know that. I knew BOP had their own version of the turbo 350 and 400 I thought all GM 2 speeds were powerglides. Live and learn. Granted I have only owned GTOs so not familiar with anything but the 3 speed auto.
Something else on the turbine 300 / 2 speeds , You can pull it , swap out a BOP Turbo 350 as a bolt in as the drive shaft yoke and shaft are the same but you might have to re drill the cross member bolt holes in the frame. Really great swap !.
@@whichgodofthousandsmeansno5306 My 66 GTO came with a Turbine 300 two speed, column shift and bench seat ordered from the factory. Also my dads 65 Olds 442 had a 400 motor with a turbine 300 trans and a friends 65 Olds Vista Cruiser wagon was ordered with a 425 and a Turbine 300 as a trailer package. See there was no Turbo 400 trans until 66 ! Back then we could order what ever you wanted as the customer was KING ! That switch pitch Turbine 300 was a interesting idea that Cadillac put in a few turbo 400s later .
it's not a hot rod Randy that car is a cruiser and I hope who ever buys it live by the beach could you imagine just cruising along the beach that would be amazing. if I could swing it right now I'd buy it and head to Galveston since I only live 45 minutes away from Galveston.
High school. 1976. I had a 69 Bonneville. 428. Quadrajet. 97 leaded premium was 76.9 cents a gallon When I put my foot in it and the secondaries kicked in you could literally see the gas gauge needle tick down a hairswidth. 6 mpg.
I am glad to hear you are well along with your family.
It’s a beautiful car Randy! Worth every penny of 20k. I wouldn’t take any less. Us here in the rust belt only dream about having one that nice. Can always swap in a more aggressive engine if needed.
That tube from the windshield wiper motor is for the washer.
Butterflies may be touching the adapter plate and therefore not opening fully. Remove the carburetor and look carefully at the back holes on the adapter plate; if it touched you’d see an impression.
Nothing better then watching AAR and cooking wings and steak on the grill.
There's a kick down switch by the throttle pedal that probably needs replaced in order to get the response you're wanting from the carborater,had to replace one on a 1972 Oldsmobile Delta 88.
PCV, positive crankcase ventilation, has a ball valve and mounts on valve cover, which from what I see in on passenger side valve cover..... the front vacuum port on intake base is where your brake booster hooks up , booster doesn't hook up to carb period ....... the way it was hooked up before u changed carbs was more correct than it is in the end of this video.
I beleave i would check the back two butterflies on the bottom of carb and see if the are hitting the adapter plate. Sounds like they are not opening all the way up. . Keep up the content you awesome to watch . I'm 60 plus years old and I been a fan for years.
The adapter used because the intake is for a spread bore carb. That carb wouldn't fit without it.
yeah the quadrajet gm used was a spread bore only.
You say you're notva mechanic but id love to have your knowledge! Awesome video
As a few other people mentioned the car had the Quadrajet Carb originally which is a Spreadbore bolt pattern. The Holley and Edelbrock are squarebore bolt pattern. That's the reason for the adapter.
You work so hard Randy, you are not lazy at all !
Get yourself a grill at the shop and have some good time with our buddy Michael!
It’s a suggestion from my two boys , they follow your channel faithfully!
All the best !
Billy
She might be all carboned up. Take her on a back road and get it up to speed and down shift it into the higher rpms and burn some of it out or use seafoam or something. I've done this multiple times and its worked wonders
Italian tune up, sea foam or similar right down the throat while you manually work the throttle, Berrymans is the best, check out vice grip garage/Derek, he'll show you how to revive old motors
Berrymans is the best for cleaning valves/carbon deposits, feed it right down the carb while manuly working the throttle
Love them old pontiacs
that intake had a quadrajet and is a spread bore the adapter is for a non spread bore like a holley or old carter
This is how we all learned this stuff “back in the day”. By doing it. The adapter plate is required to put the square flange carbs on the spread bore intake. There is a spread bore Holly that will bolt up without the adapter. The only advantage to the Edelbrock carb is that it’s new. The Holly is a better carb and easier to tune. All the parts are available separately. There are only two types of vacuum available, manifold vacuum (below the throttle plates in the carb) it’s higher at idle and decreases when the throttle is opened, and ported vacuum (from above the throttle plates) it’s lower at idle and increases with RPM. There is no “rule” for which type to connect to the distributor. The timing advance operates differently from different manufacturers and even year model.
I suspect the soggy acceleration is a tuning problem and the distributor is a good place to start. Put a timing light on her, you’ll want to see 10-12° at idle (base timing) and 32-34° all in by 3,500 RPM. Looking at the weights in the distributor, I think you find they are sticking or the springs are wrong. Tweaking the carb (too much to get into in a comment section) after the timing is sorted should make this car easily chirp the tires.
I would consider getting the proper Q-jet carb. The car is worth it. Be aware there are several different CFM ratings and fuel inlet designs. You’ll want one specifically for a 350 Pontiac. If you’re used to Chevrolet stuff, everything on the Poncho mill is on the wrong side or backward Lol. Fuel pump, starter, distributor turns backward etc.
Good luck, it’s a cool car even if it ain’t a goat.
Hey Randy. I love the car and can't wait for it to go to auction. Keep making great content.
Take that adapter plate off it's making the air fuel flow messed up, so the. Barrels are flush against the intake, I've had this issue with countless engines, hopefully it makes a difference,,,Liked FullView
Trans vacuum line should connect to a fitting on rear or intake manifold, everything else should be to carb ports( except lines for that front splitter)
Oh my goodness no way I'd let WalMart change the oil in that! Hope you watched their every move! :-)
I may have mention LeMans prior? 68 is a Tempest, name changed in 1971 which I have. Sorry for that!
Randy, that open spacer is indeed hindering performance. Either get a four-hole carb adapter, or get the proper Quadrajet. That's why that spacer is there, to adapt the Holley/Edelbrock base to the Quadrajet intake manifold.
By golly, I actually wondered if that car was originally a different color, and even suspected that it was green (although a light green). If it's that dark 7-up bottle green or the Verduro Green, I'd rather have the green than red. And I think it's a LeMANS, not a Tempest, since it's so well optioned. Also can't help but wonder if that's a 400 swapped in there, because of those chrome valve covers.
Choosing this video over the NFL right now. Great content and love the channel. Keep up the great work AAR 👍
I'm loving the new logo Randy. Love it.
Randy!!!!!!! It needs a Street Deamon Carb!! Works just fine out of the box!
If you had vacuum wipers, they would slow down every time you let off the gas, or came to a stop. I'm no mechanic (or even close) but perhaps your '57 has vacuum wipers, but they probably did away with them before then. I could very well be wrong about everything I just wrote - just trying to help Randy.
Glad you and your family are ok Randy, keep up the great work and stay safe 👍
I had one of these. I bought the wood grain dash appliqué stick on, as the original dark plastic wasn't pretty.
Had a 77 trans am 400 4brl never ran right took it to a guy he hooked up some vacuum lines and finally had all the barrels open up it was great
You need a brand new Holley 650 spread bore carburetor with vacuum secondaries that's the proper carburetor for that motor and transmission
actually a quadrajet was the proper carb.
You keep talking about your shop being a mess I would just love having a shop that looks like yours oh yeah by the way I got two teenage boys that love working on lawnmowers and now the oldest one has a car got a love it
That car has a twin, a movie rental in LA, lotsa commercials and an appearance in one of the Jurassic Park movies.
Timing can cause a lot of power loss. I’d get a timing light.
He needs to check the timing and if it's close to correct check the vacuum advance mechanism on the distributor to make sure it's working. It could also be the transmission not downshifting like another comment said.
Your windshield wiper motor is electric not vacuum. The windshield washer uses an electric switch that activates an electric solenoid, that activates a lever that runs on a cog that spins when the windshield washer motor is running.
Can't wait the cars to come back from paint. The cooper tires are a great tire to me I don't hear the secondaries opening up. New shocks will make a difference. The engine sounds awesome. 🇨🇦🤙
I have Coopers on my van. Cheap, $75 from Wal-mart, plus I had them install too. It drives great and the ones I got look real aggressive.
Had to have the adapter for the spread of the Holley to work on the intake for a Rochester. Somebody didn't understand Rochesters and just stuck the Holley on to get it running enough to sell.
Car doesn't launch because it's only a two-speed trans. No second gear to drop down to. lol if I waited Michael says the same thing
The Super Turbine 300 (abbreviated ST-300) does have a kickdown cable. I know because I have a 68 Tempest Custom convertible that needed one after I had the transmission rebuilt. If you don't have it with only a 2 speed transmission it will have no guts.
Hello Randy. Well I hope you get what you paid for it. Good luck with The people who bid on it at IAA
There is a port in the primary that velocity of the air creates the vacuum to open the secondaries
You've got no passing gear kickdown. That's why it can't get out of it's own way.
He said he feels it kick down a gear and also that it uses vacuum for kickdown on that trans, not a lever. It is only a 2 speed, that is the real problem. As far as if it had carb problems I didn't get to that on the video yet.
And also it is probably a 326, not a 350 being it is a Tempest with a 2 speed factory.
Vac advance needs to be on the timed side of the carb
It's the distributor that is at fault not the carburetor ! I had a 350 Pontiac engine and it would burn the tires all day long 😂 Check the vacuum advance as the diaphragm and there dries up and leaks also check the curve weights if the car sits for a long time they will rot in place and won't advance the timing . Get a timing light and a vacuum gauge and start checking it out . You'll be surprised at what you might find and switching the carb is fine with the plate because stock it's a spread bore and the adapter makes the square bore for aftermarket carbs . I think that car is at 8 degrees before top dead center btw and totally advance is 18-24 degrees . And you want it close to 20 lb of vacuum as well .
The Tempest is a head- turner. You should be able to get more than $1500 for it. Good luck with it.
Don’t get discouraged. The 69’ Lemans version was the best ride I ever had.
Can’t buy it… I so wish I could but I will be watching to see that it goes to a good home.
Gotta have a fridge, a microwave and a kettle. Stock up the fridge, you’ll never be without food.
She’s still a nice car Randy! Seems like she’s a cruiser!
if you could get one I think you could benefit from having a 68 Tempist Dealer service manual; reprints are available I think.
Wow Randy looks great brother.
Santa to the rescue.
Check your engine code. it is on the engine block in front below the passenger side cylinder head. Check your static timing. thats with the vacuum advance unplugged. Get a service manual; it will give you the spec.
Well you had some fun with the Pontiac. 😎👍🇨🇦
You should have taken the Tempest to a park and taken some nice pictures. Some people might think there is a problem with it sitting in the garage on a lift.
The vacuum for the transmission module needs to run to direct intake manifold vacuum there should be a spot on the intake just for the transmission. And the vacuum advance doesn't go to full vacuum. If it did it would always be advanced from pulling a vacuum.
On my 67 GTO in the rear I switched the 14"s in the rears over to a pair of Pontiac rally II 15" by 8s ( off mid 70s Trasn Am ) and put a pair of 255-70s on them and for the fronts I used 15" by 7" rally IIs and a 205-70 for a very aggressive stance.
Turn both, screws on carb all the in.
Back them out, 2 1/2 turns, then see how it does.
The problem is the 2 speed Transmision. along with the high geared rear end. put in a set of 3:42/3:55 /3:73 in rear end gears and a 3 /4 speed turbo 400. Then it would pin you in the seat and the tires will go up in smoke. old Vet Tom
It runs rough due to that you don't tune the carb and check the timing, the Pontiac is a cruiser not a hot rod, it only has 2 gears. Plus the gear ratio in the rear end might be high. And for the shocks, how long does it take to change? 10 minutes each. Yeah pure laziness. Nice car though
Proper distributor vacuum is very important. a Dealer service manual may help with that.
Randy I apologize my man, your friends are Kool, Santa's workshop is awesome. My bad for the early judgment..
No matter what model it is its a beautiful car!
The Impala is finally gone 🤔 we need a short video on that.
Love the new logo!👌👍
I re-watched this video Randy and it's awfully kind of you wanting to help someone out if things work out.
It is always good to see Santa claus. 😀🇨🇦
randy the back barrels will open then your expect the trans to down shift
What happened to the old Chevy impala I was just wondering if you still had it Randy I was wondering if he would drive it in a video
Did you check to see if it's was getting full throttle. The factory cable on a 2 bbl and 4 bbl are different. I would have put a Q-jet it to get rid of that spacer.
You showed the address numbers on the garage...not sure if you meant to do that
Limited production car from the 1990's? Pontiac Firehawk SLP
Randy !! before I lost my arss on the Pontiac, I would sit on it for awhile, until I found the right ass for the seat lol. Salute 😎 👊
That spacer is blocking your intake ports, remove the spacer because its not made for the stock intake. Also, when you use the spacer you also need 2 gaskets.
Love the body lines
Ooh! My first ride was a 69 Lemans! What a car! Those cars hugged the road like no one would believe. It’s great to see someone doing this epic “GOAT”!
This is like the Gibson Les Paul that you kick yourself for selling many years later. ;-)
I can’t wait to see what you do with this classic muscle!
Does the transmission kick down?
What about putting it up on Bring A Trailer? Facebook? eBay? Or, does that not work with your dealer license?
He can only sell to another dealer. Wholesale license. Or Copart /IAA.
If I had the money and didn't live so far away, I'd buy that Tempest in a minute. I wouldn't have any problem with it being a Cruiser.
Can't wait to see your new treasure Randy. 😎👍
Hi Randy,Are you going to remove the GTO Badging
test the fuel gauge by grounding the sender wire if hits max full its good & the fault is the sender unit
I rebuilt a '68 LeMans years ago and I don't know if you would like some pics I collected when I was working on her but I will include 2.
Oops guess I can't.
That's cool Randy.
I am a Stephen King fan. I love Christeen, however I think that Pennywise from Stephen Kings "It" fricking rocks!!!!!
it's a combination of the 2 speed tranny,and the 350,possibly even a 326 2 barrel cammed engine,that's the reason for the sluggish acceleration.a GTO 400/turbo 400 would straighten that right out,it's a shame it's a clone,although it is in very nice overall condition..
Clones are cool 😎
Great video and love the new logo😁😎
Great video again Randy, thank you !!
Adapter is to give a supposedly give better air ram- like a high riser intake.
The shocks will make a big difference
New profile picture? I like it!
Yes! Thank you!
If I were you.... Make sure it States that its NOT A GTO when you sell it... Since you got scammed. You could have asked me..... Was President of a GTO Club for many years and still Moderate one of the largest Pontiac forums.. Car needs Springs along with the shocks... Your PCV should not be connected with the Power Brakes.
I’d love to have that shop