Thread: Original specs
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03-24-2004 12:32 PM #1
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- Car Year, Make, Model: Custom 84 T/A, 01 Silverado
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Original specs
Where can I find original specs for a GM vehicle as it came from the factory? Specifically the 1988 GMC Jimmy Sierra 5.7. I looked up the casting numbers but can't find anyplace with complete orginal specs. I also can't find the cc # for the heads. Casting number 14102193 just shows up as 86-88 350 heads 1.94 1.5001. Is this a 76cc head? Thanks for the assist. ---Rich
BTW if you see this Tech, awsome explaination of compression. I totally got it after reading your post.
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03-25-2004 09:12 AM #2
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- Car Year, Make, Model: Custom 84 T/A, 01 Silverado
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Thanks for the effort. It looks like I might have to try the *GASP!* Burette method. 64cc vs 76cc heads could make quite a compression difference. (I know 'cause I can calculate it now)
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Since that center X is there to prevent twist of the main rails I believe it's plenty stout, Navy. If anyone wants to look, show them the second side as your example!!
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