Stock Heads

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Aug 11, 2008 | 10:21 AM

blove78634

Thread Starter

Junior Member

Joined: Apr 2008

Posts: 55

Likes: 0

From: Hinesville, GA

Car: 88 Iroc

Engine: 5.0 TBI

Transmission: 700R4

Stock Heads

How do I tell what type of heads I have on my stock LO3 w/TBI on an 88 Iroc.

Thanks

Aug 11, 2008 | 10:36 AM

85Iroc-Z

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iTrader: (4)

Joined: Mar 2007

Posts: 1,698

Likes: 3

From: NE Pennsylvania

Car: 85 Iroc-Z

Engine: 383 TPI Procharger D1SC

Transmission: TKO600

Axle/Gears: Strange S60 3.73

Re: Stock Heads

Pull your valve cover off and get the casting number off the head.

Aug 12, 2008 | 12:18 PM

Sonix

Supreme Member

iTrader: (1)

Joined: Jul 2004

Posts: 10,763

Likes: 4

From: Calgary, AB, Canada

Car: 1982 Trans-Am

Engine: 355 w/ ported 416s

Transmission: T10, hurst shifter

Axle/Gears: 10 bolt, true-trac, 3.73

Re: Stock Heads

If they are stock, you'd have 187 casting heads. Junk/

Aug 12, 2008 | 04:05 PM

blove78634

Thread Starter

Junior Member

Joined: Apr 2008

Posts: 55

Likes: 0

From: Hinesville, GA

Car: 88 Iroc

Engine: 5.0 TBI

Transmission: 700R4

Re: Stock Heads

I just read an old thread on why they need to go. I see that they suck. Thanks for the info!!!

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