305 tpi head chamber size
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Junior Member
Joined: Jun 2005
Posts: 28
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From: Wisconsin
Car: 82 Firebird SE
Engine: 305 TPI
Transmission: 700r4
305 tpi head chamber size
Can anyone tell the the cc's of a 305 tpi head. I know the old ones where around 58cc's but I was wondering if the new ones where different. I thought I heard somewhere that they were like 62 or 64cc's?
Joined: Jul 1999
Posts: 10,950
Likes: 26
From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
All 82-92 305 heads, whether they're from carb, tbi or tpi, have 58cc combustion chambers.
The 350 heads from 87-92 have 64cc chambers.
The 350 heads from 87-92 have 64cc chambers.
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Aug 12, 2015 03:41 PM
