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#1
11-06-2024, 05:14 PM
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Odd suffix numbers on two Pontiac 400 I've just picked up.
In one of my various attempts to save old Pontiac stuff to get melted and end up as walmart chinese toasters.
I have those two Pontiac 400s those seem to be just garden variety 400s but they have Odd Suffix codes. One is a 1971 (A251) 988 block, with matching 99 heads 068 intake and 4813 N crank. But the suffix code looks like a WT but also theres a X ( in reality seems like VV T then X).... Maybe the first Variable Valve Timing Poncho HA! The second engine is a 1976 (F046) 557 block with 6X-8 and its stock 4 barrel intake. The suffix code is XS which is odd since.the only XS 400 blocks Ive ever seen were 67 GTO and 69 350 tempest. Anyway Ive posted pictures let me know what you guess they.are. Peter |
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