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11-13-2002, 10:15 AM
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68 pontiac timing chain cover
Help! Can I make a 1969 pontiac 400 timin chain cover fit a '68 400 motor? This is a pain because I can't find one for a 68. Does anyone have a used one?
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11-13-2002, 11:26 AM
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They should be the same cover, I don't think (there I go again thinkin) pontiac changed from '68-'69.
HK
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11-13-2002, 12:33 PM
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Actually, the 69 timing cover did change, but will bolt right up to the 68 block. The 68 used an 8 bolt water pump with 2 divider plates, where anything from 69-79 used an 11 bolt water pump with 1 divider plate. The timing covers themselves are interchangeable, but once you change to a later timing cover you have to change to the later water pump, too. This is good though, because the replacement waterpumps are still available for the later ponitac timing covers.
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11-13-2002, 01:42 PM
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DREW, and lots o'yus other guys. you are just veritable FOUNTAINS of information. i really like learning mo & mo about my poncho. hope i know as much one day as (i think) i know @ chevys. (which aint that much, either). this is like the long/short nose H20 sbc issue that everybody ought to know about.
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11-13-2002, 01:43 PM
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Yea, but you will also have to change the pullys. Best bet is to get everthing from the same year car.
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11-14-2002, 05:47 AM
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Correct, you MAY have to get the later water pump pulley, too. Sorry, forgot to mention that. The rest of the pulleys should be fine. I'm currently using the original single water pump pulley on my 69 Firebird with a 71 455, 73 timing cover, replacement aluminum pump, 78 6X heads and the original pulleys. The only pulley you may have to change......and may not......would be the water pump pulley, but you won't know until you get everything back together....
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11-14-2002, 05:48 AM
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bullheimer, thanks, I have learned a TON just in the last year with my restoration and Poncho buildup. I don't claim to know a lot, but what I do know I'm more than happy to share....
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11-14-2002, 02:34 PM
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Thanks everybody for the help. My Dad and I have a 68 GTO that we're restoring. The body's off right now. You haven't heard the last from me.
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