L69 heads
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From: Arlington, VA
Car: 89 Iroc-Z
Engine: 350 TPI
Transmission: 700R4
L69 heads
didn't know exactly where this post is supposed to be...so i'll just post it here. Anyone know of any good walkthroughs or books or something on porting and polishing L69 heads to at least 1.94s???
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Joined: Sep 2001
Posts: 6,111
Likes: 53
From: Ontario, Canada
Car: 1988 Firebird S/E
Engine: 406Ci Vortec SBC
Transmission: TH-350/3500stall
Axle/Gears: 7.5" Auburn 4.10 Posi-Traction
There is a ton of good info and pics on this site on porting these
heads.
Search my posts and others here.
There are books on preparing chevy cylinder heads.
All of it is relevent to 305 heads too.
David Vizard's "How to build Chevy small blocks on a budget" is
a good one.
There will be a test.......
heads.
Search my posts and others here.
There are books on preparing chevy cylinder heads.
All of it is relevent to 305 heads too.
David Vizard's "How to build Chevy small blocks on a budget" is
a good one.
There will be a test.......
Thread Starter
Member
Joined: Mar 2003
Posts: 235
Likes: 0
From: Arlington, VA
Car: 89 Iroc-Z
Engine: 350 TPI
Transmission: 700R4
alright..another quick question...i am pretty sure i know the anwser to this question..but will they fit on a 350? for that is what i am going to be building up after i am done with the body and such
Supreme Member
Joined: Sep 2001
Posts: 6,111
Likes: 53
From: Ontario, Canada
Car: 1988 Firebird S/E
Engine: 406Ci Vortec SBC
Transmission: TH-350/3500stall
Axle/Gears: 7.5" Auburn 4.10 Posi-Traction
Originally posted by Kaas
alright..another quick question...i am pretty sure i know the anwser to this question..but will they fit on a 350? for that is what i am going to be building up after i am done with the body and such
alright..another quick question...i am pretty sure i know the anwser to this question..but will they fit on a 350? for that is what i am going to be building up after i am done with the body and such
Thread Starter
Member
Joined: Mar 2003
Posts: 235
Likes: 0
From: Arlington, VA
Car: 89 Iroc-Z
Engine: 350 TPI
Transmission: 700R4
lookin to get about 10 or 11:1 compression with the cam i puttin in there which i'm hoping is to put in a crane powermax 238/246 duration@.050 and a gross lift of .480/.495 and i think the engine is going to have to be bored out 3 over so i was wanting to put in some speed pro alluminum alloy with the teflon skirts pistons with the flat top 4 reliefs pressed pin...also..anyone that has ported and polished these heads, what was the max intake and exhaust you could port them out too?
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Supreme Member
Joined: Sep 2001
Posts: 6,111
Likes: 53
From: Ontario, Canada
Car: 1988 Firebird S/E
Engine: 406Ci Vortec SBC
Transmission: TH-350/3500stall
Axle/Gears: 7.5" Auburn 4.10 Posi-Traction
Originally posted by Kaas
lookin to get about 10 or 11:1 compression with the cam i puttin in there which i'm hoping is to put in a crane powermax 238/246 duration@.050 and a gross lift of .480/.495 and i think the engine is going to have to be bored out 3 over so i was wanting to put in some speed pro alluminum alloy with the teflon skirts pistons with the flat top 4 reliefs pressed pin...also..anyone that has ported and polished these heads, what was the max intake and exhaust you could port them out too?
lookin to get about 10 or 11:1 compression with the cam i puttin in there which i'm hoping is to put in a crane powermax 238/246 duration@.050 and a gross lift of .480/.495 and i think the engine is going to have to be bored out 3 over so i was wanting to put in some speed pro alluminum alloy with the teflon skirts pistons with the flat top 4 reliefs pressed pin...also..anyone that has ported and polished these heads, what was the max intake and exhaust you could port them out too?
Search the old posts its all there.
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Joined: Oct 2002
Posts: 9,067
Likes: 1
From: Saskatoon, SK, Canada
Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi
Originally posted by Kaas
and i thought they were 62ccs ??
and i thought they were 62ccs ??
I dont think there has been a 62cc head since the 327's of the 1960s.
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