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Apr 17, 2022 | 06:58 PM

#21

G Atsma

TECH Senior Member

Joined: Jun 2016

Posts: 22,308

Likes: 3,625

From: Central Cal.

Quote:

Originally Posted by dixiebandit69

Smokey B, is that you?

In a previous (one of many...) life, yes.... LOL

Apr 17, 2022 | 08:06 PM

#22

01CamaroSSTx

11 Second Club

iTrader: (3)

Joined: Feb 2015

Posts: 6,020

Likes: 2,298

From: Conroe, Texas

I'll

to that.

Apr 22, 2022 | 03:41 PM

#23

stockA4

TECH Fanatic

Joined: May 2016

Posts: 1,292

Likes: 436

From: St. Louis

Quote:

Originally Posted by Old Buzzard

^^^^ Too close to the

Not close enough,
Op, leave the 862 heads on it and give it a try, If it pings which I don't think it will Just put a bigger cam in it with an intake valve close event a few degrees later than the one you have now and you will be good to go

Apr 22, 2022 | 05:45 PM

#24

Bspeck82

TECH Fanatic

Joined: Jan 2017

Posts: 1,758

Likes: 442

this is what i came up with for compression

Attached Thumbnails

Apr 24, 2022 | 07:12 AM

#25

Rancherlee

Teching In

Joined: Nov 2021

Posts: 12

Likes: 3

Quote:

Originally Posted by BlackMaxx

I'm going this route. I really appreciate the input. I'm hoping for somewhere close to 500rwhp. Not sure I'll get there but I believe it will be a blast in my 79 camaro with a t56 either way.

There is always the option with the 317's to send them out for a Stage 1 valve job since they already have bigger valves. You would gain more HP back than you loose due to the compression drop and be plenty safe on pump gas. I'm figuring my 317 stage 1's on a 408 shortblock with 8cc dish pistons is right around 10:1 and should be able to get close to 450rwhp through a 4L80E with a 222/233 Ghost cam + Early truck intake (looks like a rattle can rebuilt LQ4 LoL).

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