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Old Mar 21, 2005 | 07:35 PM
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From: Phoenix Arizona
Car: 79 ELKIE
Engine: TPI 305
Transmission: 700R4
Heads

this has probable been asked aready but here goes I have a fresh 350 would like to top it of with my 305 heads and TPI any problems using the 305 heads on my 350 . 305 heads are fresh as well
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Old Mar 26, 2005 | 11:11 AM
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What 305 heads are you planning (cast number)?
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Old Mar 26, 2005 | 06:39 PM
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From: Phoenix Arizona
Car: 79 ELKIE
Engine: TPI 305
Transmission: 700R4
the 305 casting # is 14014416 and the 350 head # are 3973487 & 462624 on these casting can you tell me the valve sizes and chamber sizes as well?
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Old Mar 27, 2005 | 07:35 AM
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The '416 heads should work out nicely for you. They are 58cc chambered and should have 1.84/1.50 valve stock. They have decent port runners, and can be opened up to a respectable size.

I'm not sure about the '487 heads, but the '624 heads seem to come in a variety of configurations. Some might be good, some might not be so good. You might be able to find data at www.mortec.com or http://www.jimsperformance.com/headchart.html
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Old Mar 27, 2005 | 09:01 AM
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pitzzilla's Avatar
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From: Phoenix Arizona
Car: 79 ELKIE
Engine: TPI 305
Transmission: 700R4
So the 305 heads will work on the 350? thanks I'll look in to the sites
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