Heads from a 96 B-body or a 95 F-body??
02-27-2009 | 01:30 PM
#1
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Joined: Feb 2009
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From: Oakland Co., MI
Car: 86 Z28
Engine: 355
Transmission: T-5
Axle/Gears: Stock 3.42
Heads from a 96 B-body or a 95 F-body??
Is one head better than the other, as far as performance? LT1 B-body heads are cast iron and the F-body's are aluminum. Basically I'm just curious if there is any benefit to the Aluminum heads other than weight savings.
Thanks,
ST
Thanks,
ST
02-28-2009 | 03:23 PM
#2
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Joined: Oct 2002
Posts: 9,067
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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
Re: Heads from a 96 B-body or a 95 F-body??
On a stock LT1, they almost balance out... the iron heads flow about 15-20cfm better, but the aluminum heads have smaller chambers with a bit better chamber design. The iron heads will get more air into the engine, but the aluminum heads will burn it better with a slightly better design and more compression.
Its almost a wash if its an otherwise stock LT1, but I'd go for the aluminum heads if you have to choose. LT1 engine LOVE lots of compression!
Its almost a wash if its an otherwise stock LT1, but I'd go for the aluminum heads if you have to choose. LT1 engine LOVE lots of compression!
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