Help about 305 heads

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Dec 28, 2008 | 07:07 PM

blkfirebird91

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iTrader: (-1)

Joined: Oct 2008

Posts: 321

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From: New Milford CT

Car: 1991 Trans Am

Engine: 305tbi to 350 carb'd

Transmission: 700r4

Axle/Gears: Stock

Help about 305 heads

will 350 tpi heads from an iroc fit on a 305HO by just bolting them on and going or di i have to do something. im thinking about going to the jy to get these heads off the camaro? thanks

Dec 28, 2008 | 07:09 PM

Apeiron

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Joined: Jan 2000

Posts: 20,981

Likes: 11

From: Mercedes Norte, Heredia, Costa Rica

Car: 1984 Z28 Hardtop

Engine: 383 Carb

Transmission: 4L60

Axle/Gears: 3.54 Dana 44

Re: Help about 305 heads

They'll fit, but you'll lose compression.

Dec 28, 2008 | 07:16 PM

igotta355z28

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iTrader: (1)

Joined: Dec 2006

Posts: 998

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From: Bedford Tx

Car: 1991 Z28 1LE

Engine: 370CID GenIII

Transmission: 4l60e

Axle/Gears: 4.33 Moser 9inch

Re: Help about 305 heads

yeah loss of compression negates the slight flow u might gain........

Dec 29, 2008 | 06:05 PM

rough

Supreme Member

Joined: Apr 2007

Posts: 1,087

Likes: 1

From: St. Petersburg, FL

Car: 88 Camaro

Engine: 305 TBI

Transmission: 700-R4

Axle/Gears: 2.73

Re: Help about 305 heads

port / polish/ mill heads down to 58cc would work fine

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