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1986 Olds Cutlass- 455 on the Dyno
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- เผยแพร่เมื่อ 14 ต.ค. 2016
- 1986 Oldsmobile Cutlass Supreme
Oldsmobile 455 Big Block
Edelbrock Olds 455 Performer Intake
Motor:
1973 Olds 455 with "C" Heads and Edelbrock Intake
Connecting Rods have been ground down
Zero Decked, Square Decked and align Honed the block.
Cylinders Bored .030 Over ~468 Cubic Inches
Edelbrock 750 CFM 4bbl Carburator
Lunati Voodoo Hydraulic Flat Tappet Cam - Oldsmobile V8 268/276
www.lunatipower.com/Product.as...
Advertised Duration Int/Exh: 268/276
Duration @ .050 Int/Exh: 227/233
Gross Valve Lift Int/Exh: .510/.522
LSA/ICL: 110/106
Valve Lash Int/Exh: Hyd/Hyd
RPM Range: 1600-5800
Includes: Cam Only
Part Number: 10420703
Previous Part Number: 60803
All rotating pieces have been balanced within 1/4 gram of each other.
Transmission:
TH200-R4 Grand national 4 speed Transmission
B&M Stage II Shift Kit
Hardened Input Shaft
2200 Stall Lockup Converter
B&M Mega Shifter
10 Vein Pump
Rear End:
1969 Oldsmobile Cutlass 8.5" Rear End
3.73 Gears
Posi Carrier with rebuilt clutchpack
Suspension:
All Poly bushings from energy suspension
Chevy S10 Shocks (Front / Rear)
Increased spring rate Front: 420lb/in to 650lb/in
Increased spring rate Rear: 120b/in to 140lb/in
Wheels: Front: 17x8 245/45/R17
Rear: 17x9.5 275/40/R17
Exhaust:
2.5” Dual Exhaust
Dual 2 Chamber 40 Series Flow masters
Reproduction W/Z manifolds Ported, Below are the flow specs after the port job.
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Man I miss my '78 G-body Cutlass with that 455!! that thing had every bit of 550 ft/lbs
The perfect sleeper! All Oldsmobile powered! Those early 80's Cutlass hsd an unflattering nickname . . . . Gutless Supreme! Yes they had room and ride comfort and very lightweight body and chassis! But that's about it! Now with a 455 it has it all!
My dad saw me smiling, asked me what it was, I turned it up and he said “455, needs a bit of a tune, I got one in the shop that needs rebuilt and 3 diesel blocks in the barn” this video started a very expensive hobby
Can agree, fell in love with old farm equipment and trucks and my grandparents said they had some old cars to give me, ended up being an old 73 delta 88 and some other misc stuff
Needs bigger cam with a holley 750
Sounds like a olds 350 or 307 to me, a cammed 455 should get no lower than 375 ft lbs. Thats on the low
indeed
455 in that thing? Yeah something was definitely not in sync.
Why is everyone complaining. It clearly says at the end of the video this is BEFORE the tune.
That's not bad for the 3.8 V6 in there!
Not a 3.8 it's a 455
🤣🤣🤣
Update -The Intake gasket went bad and had a leak as a result it was creating lean conditions on the #1 cylinder - Also the Carb gasket decided to go bad as well and thus adding in additional performance loss! Will post a dyno update once this is resolved! I did replace the Stock GM distributor that I rebuilt and there was a MAJOR noticeable difference in performance, even with the vacuum leak on the intake manifold
New Distributor: performancedistributors.com/product/gm-dui-streetstrip/
I see you're in FL, where are you and are you on Facebook
@@soulfultenor did get all squared away?
@@MiCanal15 did get what squared away ??
@@soulfultenor carb turning and better numbers on your 454
@@MiCanal15 don't have a 454 I have a 350 Olds and a Q-jet 800 CFM
Disappointing number for a BBO
Time to call the doctor..Doctor Oldsmobile !
it will not survive premix ludrication . i fucking hate pain bearings witha wel sump design, they are excellent to destroy on premix though. i fucking love american muscel cars but hate their crappy 4 stroke motors that powered them. i love to destroy them on premix only fuel
i cant stand the sound of these crappy 4 strokes that powered them. at least detroit diesel 2 strokes sounded good
The engine doesn't sound right, you can hear it.
Not bashing lunati cams but I used this same cam in a 455 I rebuilt. I bored .030 over, edelbrock intake, and a q-jet carb. To be honest I liked the idle sound but it never made the power like it made on the factory cam it had before. It might be wonderful in a 350 but I think the 455 responds better to a longer duration then high lift. I was truly disappointed and I know the my 455 just didn't like that cam.
2nd run numbers are flip flopped on the video. dont know if you caught that or not lol
horsepower was 255 and torque was 311, not vice versa
header size to small, exhaust problems. not enough flow.should have 1 7/8 tubes 2 1/2 - 3 inch exhaust. had a worked over 403 back in the day around 400- 425 horse had 1 7/8 header pipes
425 Olds is the ultimate g-body Olds motor. bc of the light weight.
Nice runs,I'm surprised,that thing should be making 300hp easy,better bore it out and up the cam so you can get the hp and torque up,expensive but well worth it when you get to the 400's,keep at it,your on the right track
Quick Fuel carb (800+) and full length headers with 34* of advance and she'll wake up a bit
Never see 500hp will produce lot tq
Sounds good. I have an 86 with the 400 E block otherwise the same set-up as you.
I just dropped an olds 400 in my 78 cutlass wagon. Left manifold wont clear frame. Any ideas how to remedy this issue?
Best looking g body
Car Craft settled the debate with their Big-Block Showdown. They did builds of Buick, Chevy, Mopar, Ford, Olds, and Pontiac big blocks (yeah I know about Pontiac not making a true big block) using commonly available off-the-shelf performance parts.
Buick was at the top of the heap and Oldsmobile was at the bottom. Not too bad considering that Buick 455s probably have the least amount of aftermarket support of all the engines compared.
The olds was not built right! They did an update on the olds and got 30-40 hp out of it by just replacing that useless performer intake with a torker
By the way I believe the Buick did not win
@@darinmcdonnell712
Olds lost. Take the L with some dignity and say not bad for a grandpa car.
Read the article, Buick never won, and is a low budget old man's car. A step above chevy in the gm corporation
@@darinmcdonnell712
Dream on Olds fanboy. I’ve been around plenty of both and I never saw any impressive Oldsmobiles at the drag strip. I’ve seen plenty of fairly stock, heavy Buicks that ran 11s . Most comparably built Oldsmobiles were 2 seconds slower.
my favorite car
Damn, Ive never had my 86 442 on a dyno ( it's a 68 olds 350, #6 heads, forged .030 flat tops, performer RPM, 650 DP, underdriven crank pulley, ram air, crane hydraulic flat tappet- 230 dur @.050 intake 236 exhaust, mild head porting, STOCK stamped steel rocker with aluminum fulcrums, 3000 stall with 3.73 gears. 12.60s @106 with open headers and slicks. I gotta think it would put a little more HP and torque to the rear wheels than this????
oh yes it has to be to run a 12 .6 thats really decent times for what it is . your upwards of 400 hp
This motor wasn't running right at all. Actually sounded a cylinder down. And then some.
Where is the tune video?
What is the cam spec?
Is this a t-top? Any structural mods required for the 455?
I took 78 short bed Chevy put 1972 Pontiac 455 turbo 400 shift kit. Mickeys on back wider then truck.. I beat everyone even s10 small block. Carburator didn't work so I left spinning still win lo
there ya go i did the same thing back in the day but a 73 silverado long bed and a 72 grand prix 400 with a few goodies and the 373: 1 POSi and it was the same way people always were like wtf you got in that thing any small block chevy had next to no chance of course like your if it hooked and booked it had that down pretty good tho lol
Something is not right. Oldsmobile was notorious for having more torque than hp. But we never seen under hood. Run like a small block Chevy....
Was it pretty straightforward to swap in the gears from the 1500?
Cameron feltz - nope no problem at all and have not had a single issue
Adjust or replace the rear drums. Feathering the go pedal isn't going to give you the actual numbers. Cool car, though. NJOY
Something is not right here
Thats it?
:( Sorry about the numbers. At least it sounds good.
Хочу сделать замер на дино стенде своего Buick century 1993 3.3l 162л.с с незначительными переделками ☺
263/329 what a turd!
Imput shaft? Huh?
needs a quadrajet!!!
I building old motor for 40 year's if put set off mopor after market 6.485 rod H Beam rods set Howard pistons reverse piston Howard solid roller 629/629 solid rollers camshaft nos camshaft put 88 mm turbo elderbrock performance heads HP be around 450 lost train TQ 760 TQ
no way a 455
Put the 267 back in lol with a good 4bbl
timing?
Any updates?
importsstillsuck Iu
Sounds lean, bad timing. Hope it is improved!
350 rocket make 650 hp if build it Wright
Those are terrible numbers. We put one in a 1978 Trans Am back in the late 80s. It was stock everything and was pushing 313hp to the wheels.
Not carburetor kneed 1150 carburetor
It mak 375 hp thats it
my 403 makes 320 tq and 185 hp stock and you have what? That 455 engine should be making at least 300Hp and 450 LBS of TQ with all those go fast parts you have. still sic but the waste at the dyno shop. you should using 750 cfm to feed that 455!
What's great about the 403 is if you can get the compression ratio at 9:1 or a little better, 300 horsepower is an easily attainable number. Get good flowing exhaust and intake, 400 to 500 horsepower is attainable. All this without even reinforcing the webbed mains. Because the motor can make this power without revving over 5500.
A 750 is way to small, it an 850!!!!!!!!!!!
Kind of a dog bro, pull it, start over.
What the heck needs less fuel than a 455 ? Put like a cup of air plane. Gas in it and set the timiming. Lol
Too much cam for an Olds. This isnt a Chevy.
thats not a big cam at all. what are you talking about?