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Topic Review (Newest First)
08-24-2012 12:04 PM
454 build

I had a 454 with KB Hypers -25.5 domes. Oval port iron heads.111cc About 11.0 compression. Solid roller cam. Th400 and 4.10 12 bolt rear in a 1967 Camaro. I turned a 12.95 at 106 mph first pass. I had a 2.136 60 ft time. In the 1/8 I had 8.364 at 85.53 mph. The 2nd pass i has 2.051 60' time. In the 1/8 I had a 8.094 at 89.54 In the 1/4 I had a 12.483 at 111.45 mph.
08-13-2012 10:46 AM
speedbump You didn't say what kind of trans. If auto, that much duration wants 3-3500 converter to launch OK. If you're using an OD trans, I'd want a 3.73 to 4.10 gear in the rear unless you're already spinning the tires. I think you can get that 60' down to 1.8 and still be very streetable...and then you'll start to like that car. I'm also a fan of single plane manifolds with that much cam especially if you don't have the hood clearance to use a spacer.
08-13-2012 07:43 AM
vinniekq2 2.2 -60 ft time,you need tires and or gears. 107 mph says you are down on power(DA) still a high 12s car though,just need some time to iron out the bugs.
08-12-2012 10:23 PM
Originally Posted by speedbump View Post
If you have a 400 or so CID small block, your money might be better spent on a good set of heads and intake if your short block is in good shape. A set of AFR's with the CNC option with a cam and single plane intake can make serious HP in a small package. Just a thought.
I have Iron Eagle 200cc heads now & an RPM intake, cam is a Herbert FT hyd. 510/510, 245/245 @50 on a 108 LSA.

I got to messing around with the jetting/timing & the air has cooled off, car seems to be running better, i'll most likely take it back to the track Sat. & see what it'll do, last time out it ran a 13.03 @ 107 on a 2.2 60ft., this was on street tires & DA was 52-5300 ft. So i had alot stacked against me, I feel the car should pull off solid mid 12s @ 11-112 on street tires, its only pulling 3200 lb. weight with me, so its light.
08-12-2012 01:20 PM
speedbump If you have a 400 or so CID small block, your money might be better spent on a good set of heads and intake if your short block is in good shape. A set of AFR's with the CNC option with a cam and single plane intake can make serious HP in a small package. Just a thought.
08-11-2012 06:16 PM
speedbump 240-245 @ .050. KB hypers or forged with the small bump and block zero decked to get 9.5-1. decent reworked 781's on the bowl and short turn with 2.190's and 1.88's. Performer RPM air gap or Victor Jr. or equiv. with 2" spacer and a 800 to 1050 carb. Reworked HEI or other capable of good spark to 6200RPM with advance at 36-38 degrees on good pump gas. Decent headers with 2" primaries and 3-3 1/2 collectors. Make sure your block is honed with a torque plate and the guide work on the heads is good as well as good springs that will take you to 6-6200 RPM. 3/8 .080 wall push rods probably .100 long and some good comp 1.7 roller rockers. Factory rods will work if you have sombody decent resize them with some decent bolts. If you pay attention to detail, this thing will be close to bullet proof, even with a 100HP nitrous plate on top.
08-11-2012 04:35 PM
geezer69 awww come on boaz, surely somebody wants to see another bbc build !it shouldnt be hard to do. im sure its cheaper than tryin it with a sbc.ive got an old 454 short block myself.its oiled and wrapped up good.ive got about the same goals. i guess we mite have to go look one up.
08-11-2012 11:42 AM
68NovaSS Why don't you do a search here? There's a ton of information available for BBC builds.
08-11-2012 08:08 AM
500-525 hp 468?

What would be a good set-up for a 468 to make this HP & be nice on the street, run on pump gas, I'm looking to stay with a FT cam & find some 781/049 heads.

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