05-29-2024, 06:48 AM
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#20
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VIP Member
Join Date: Nov 2002
Location: Massapequa Park,NY
Posts: 1,281
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Re: U/SA 302 ffffford build
Quote:
Originally Posted by goinbroke2
Went to Armstrongs and picked up lifters (why didn't I go there first??) and started working on the heads. Some guides were worn out, other were just worn, but, I'm replacing all the guides just because.
Couldn't get over the difference between stock locks and the comp ones as well as the stock springs compared to the beehive springs! Seat pressure is 192# and over the nose is 350#! Once all the guides are done, I start doing the valve job. One thing I didn't expect was how deep the valve would drop when I ground it out to have a 30* seat. Might have to replace some seats, not sure until I get going. (or do people change all the seats when building stocker heads??)
Anyway, 1:31 AM, time to stop for tonight I guess, lol.
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Why 30 degree seats?
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1989 Camaro Iroc-Z I/SA B&B Auto Machine Shop.
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