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#1
06-12-2004, 10:01 PM
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Just bought a 1975 Pontiac Firebird (formula 350) not original engine, it has a 400 (big block?) ID #SR88576 - tried Wallace Racing and no match. Heads are 13, which are from a 1970 300+ HP rated engine. Would like to know what I
'm working with and if it's worth the rebuild.
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77' Pontiac Lemans 80' Pontiac T/A 75' Pontiac Firebird in pieces |
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#2
06-12-2004, 10:01 PM
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Just bought a 1975 Pontiac Firebird (formula 350) not original engine, it has a 400 (big block?) ID #SR88576 - tried Wallace Racing and no match. Heads are 13, which are from a 1970 300+ HP rated engine. Would like to know what I
'm working with and if it's worth the rebuild.
__________________
77' Pontiac Lemans 80' Pontiac T/A 75' Pontiac Firebird in pieces |
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#3
06-13-2004, 07:23 AM
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SR blocks are service replacement blocks. Look for the casting number or stamping at the back of the passenger side and post that number.
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So long, farewell. |
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#4
06-13-2004, 10:29 AM
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Went and had a closer look, numbers are there and they read 97999 14. No match at Wallace, and what does service replacement mean? Factory replacement?
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77' Pontiac Lemans 80' Pontiac T/A 75' Pontiac Firebird in pieces |
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#5
06-13-2004, 01:13 PM
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Try the number in the misc. category and leave the space out - 9799914
It'll be a 1970 400 block. The SR is a replacement block from the factory.
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John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! W.E.C moment "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
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