406" SBC Dyno Testing - (tuning tips)
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- เผยแพร่เมื่อ 28 เม.ย. 2021
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I can’t even begin to describe how much it means to me that you guys did this video/uploaded for me.
I just wanna to say THANK YOU!!!
How are you liking your 406?
@Jason moessner if you don’t mind me asking what a set up like that cost
1st time I've heard that timing tip with no few on TH-cam. I accidently came across that years ago and what a best tip ever moment for your audience! Great job sharing and nice personality.
Nice tip. Never thought about the timing info. But haven’t dealt with sbc in a while. Ls have made me lazy lol!!
The 406 is a badass engine build!
Great video. What cam? I'm working on getting a parts list together for a similar build. Just not as fancy of a piston.
So I got a 406 that I’m building, I’ve got all stock bottom end, flat top pistons with valve reliefs. I was going to put 906 vortec heads but I think my compression ratio would be to high 11-12.1 . Im using an edelbrock performer RPM intake. I’m trying to build a fun daily street/strip car. Any recommendations on a good cam and cylinder head combo for this type of build?
What cam size,type or number are you using?
What is the best head gaskets for a 406 sbc
I'm building a 400 for my 57 (hot street). You wouldn't happen to know the vacuum at idle would you? I have power brakes and plan on using injection and a hydraulic roller too. Thanks
This engine was about 15"
After oil is up to temp start your pulls at 160-162 water temp and you will make more power everytime.
I loved the video guys.... In your estimation, using that same short block with AFR 220 heads, what would the difference in the power numbers be? I'm putting together almost the same short block, and haven't decided on the heads yet... All help would be greatly appreciated... Thanks in advance...Jimmy T.
I am running the same exact motor.Same cam I think.Mine is A Crane 240/248 with 560 lift.I called AFR and I was debating on the 210.They quickly talkie out of it and told me to run the 195’s.If I stepped up to A solid roller then run the 210’s.Mine is for street and strip.
Street AFR OR Competition heads ???? or just the part number
Got my 406 short block today.
Can we pleaseeeeeeee get a video of the 427 sbc build and dyno. Thats the motor I want for my 84 C10 🙏🏾
Is this a tappet or roller? I didn’t hear you say either or unless I missed it. Love the set up it’s close to what I’m doing right now. Just worried about my rear end and looking for something a bit stronger right now.
Roller he said it at the beginning
You should do a carb tuning video using the dyno.
Great video! I built a near identical engine this spring. My cam is hr 242/248 @ .50 .580 lift and 113* lsa with 11.2 cr with AFR 195 street heads #1040. I was wondering if you could tell me the exact heads you used on this build?
Smeding 195cc heads
@@JacobVillemain I see they're AFR. I was wondering if they are the street or race ported version?
I am running the same combo. AFR 195’s street heads,Cam .50 242/250 lift 560 lobe 110, 5.7 H-beam rods with TRW forged flat top 2 valve relief 10 1/2.1 compression, ported Victor jr with a FST 750 carb.All balanced and the think RPM’s in A blink.Torque monster for the street.I was going to buy the AFR dual plane for A little more torque but the motor is loving this single plane.When I called AFR I asked about the 210’s but they recommended these 195’s.Very happy with them.With this little N/A street motor I sure look in my rear view mirror a lot lol.
Sweet motor! I have a 11.0 383 stroker with a lunati 243/248 voodoo solid roller, holly strip dominator intake, and a sniper x flow system. According to the fuel flow, it’s making around 570-580. Looks like you might have picked up a little knock at peak torque, I’m running a Holley duel sync distributor, it would would be nice to keep timing at 34 around peak tq then bring it back to 36 at other areas of the rpm range
Nice. Almost the same as my build. I'm a tiny less cam but 11/1 and 220 heads
Do you know what kind of power you are getting with your combo with the 220 AFRs?
@@vincevancleave9353 never dynoed it. I'm guessing I'm well north of 550 to crank
I am running A 406 hydraulic roller 240/248 with 558 on 110 lobe with 11-1 compression.I purchased the AFR 195’s for street and turned down the 210 and did not even consider the 220’s.Solid roller track car yes all day but I am not going past 6500.Great beastly motor.
@@joshuagarvey9362 mine aren't AFR they're flotek 220 cnc. Still not cheap. 1900 a pair assembled. But 315cfm at .600. got a transbrake and 4500 billet 8" stall now I'm throwing in it. I'll still drive it around the house too.
@@joshuagarvey9362 mines internal balanced too. I went with Howards max effort HRs. There's supposed to be anti pump up & good to 7k. I set my 6al though at 6800...
great video, thats good power ! im looking for a wiand tunnel ram sbc if you hear of anyone please let me know thanks
It's a strong motor
I have almost the same setup but promaxx heads. With a fitech almost identical cam specs. What kind of HP loss would you expect if total timing was only 27 degrees compared to the optimum 36 degrees?
Probably 40hp
A lot and optimum timing won’t always be 36 but definitely in that area.
@@Thumper68 so my thoughts are he is getting in the 530 hp range with his setup, but when I ran my camaro on the chassis dyno it only put out about 298 HP and 310 ft/lb tq. I know you loose some in the drive train also but the only thing I found was the timing was missing 9 degrees of advance due to a loose distributor bolt.
@@JacobVillemain so my thoughts are he is getting in the 530 hp range with his setup, but when I ran my camaro on the chassis dyno it only put out about 298 HP and 310 ft/lb tq. I know you loose some in the drive train also but the only thing I found was the timing was missing 9 degrees of advance due to a loose distributor bolt
@@Tschida2004 9 degrees makes a huge difference for sure!
That's a bad little 406! My mild 496 big block made 565hp/600tq
For a street car what vacuum did it make ????
I'm very curious also?
I bet a Performer RPM intake would provide tons more mid-range power without sacrificing a whole lot on the top end. Also, the 195cc heads are holding that engine back. The peak HP should occur well north of 6k rpm, given the cid and cam profile.
a 242/250 mid 500's lift isnt THAT big for a 400. thats about right for that size head and CID hed need more cam AND head like 250/255 .600 lift and the 210 heads. then that thing will make 575 or more at almost 6500+ probably and a 195 head takes a 1205 gasket right? dont most SBC dual planes take the next step down? and its EFI so the single is probably doin good.
6 years ago I built a 406 for wife's 69 camaro.
10.5 compression.
Afr 195
My profile cam hydro roller
244/250 550 555 107 sep installed 103.
13/4 headers 3 inch exhaust.
Did testing at track same weekend same weather.
With the motown single plane 11.21 @121 best time.
Performer rpm air gap best was 11.33 119.
Shifting at 6300.
These big cubic inch small blocks love single plane Intakes when you have a good set of heads.
@@sleeeper88 Very impressive. What stall converter and rear gear did you run?
@toomanymodz 3.55 gear and a coan 4200 9 inch. It drives around great on the street. Also that was through 3 inch exhaust😫
How much nitrous could this build support?
This build has naturally aspirated ring gaps so I would not recommend spraying it.
The entire point of being able to build an engine is not to run nitrous.
195cc Afr ,, sml chamber= 65cc,, straight plug = this equal a street version
Isn't the cam small for these heads
There are many other variables in camshaft selection than just the heads.
@@JacobVillemain Thanks for the reply. I knew what you are saying but what I meant that the heads supports bigger cam. I knew you want good torque so you choose this cam
195 runners, so no: its fun/on the streetable side.
@@Saan455 195 ccs, thats on the small side for a 406. Fyi thats more like high performance 350 to spicey 383 type size. Little Mild for huge cam on a 406. Its a nicely matched combo look at the curve.
I am running A 558 lift with 240-248 at 50 on A 110.I called AFR and asked about the 210 heads.Adam at AFR referred me to the AFR 195’s with my car,cam and Street set up.I am very happy Oooooo boy.Talk about A seat planter.I did a lot of work to this Victor-jr intake.I was wondering how much friendlier the AFR dual plane would feel on the street with A manual.
holley inlet +10-20hp vs victor Jnr ,, peak hp 5800rpm =195
higher peak around 6100--6300rpm = bigger head /220
probably just the 210 will do and a super victor
Flat "crappet"? Yes, you do have to be part chemist these days to stay old school. Do your homework folks...Mobil1 [for example] has 9 different balances of zinc and phosphorous amongst their offerings last I checked. Only 2 of 30 formulations are acceptable off track as I see it: 15w-50 being the go-to, and the 4T [10w-40] being a backup if you can't find the first. Twenty of the 30 offerings are so low, I guarantee you wipe a flat tappet cam in 'buy and hope' mode.
20w-50 Castrol GTX classic is what you use so you can run that flat tappet cam and get those extra ponies
You better be running valvoline vr1 and not hope or pray I add Lucas break-in 16oz zinc to it