Forums/Z31P/z31-basics basic-modifications-basic-questions-aka-the-newbie-forum/for those who have rebulit heads and the block....(question)
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evpena: (2008-03-13 02:02:54)
I have an 86 z31t motor. i have rebulit the block and and in the process of porting and rebuliding the heads. the question i have is how difficult to have the timing corrext when putting the motor back together. i been talking to a couple mechanics about it and they seem scared and unsure. any info would be greatly appreciated.
nutsaq: (2008-03-13 02:28:41)
its no different than a timing belt job, you put the belt on so all the lines match the marks on the cam and crank gears and you are done. turn it over a couple times by hand if you are worried about it. Getting the distributor back in right might take a couple trys
SATAN: (2008-03-13 03:05:13)
40 belt teeth between the cam dots and 43 belt teeth between driver cam dot and oil pump dot.
88sinZ: (2008-03-13 03:33:07)
steer clear of thoes guys
Rule #1 in that trade, Always pretend you know what your doing :gni when in doubt check the books
evpena: (2008-03-13 03:50:00)
are the valves or the pistons supposed to be aligned any way before i mount the heads on the block. when i took it off the heads and belt i had it on the marks but wondering if it is different after the heads and block have been rebulit?
88sinZ: (2008-03-13 12:26:21)
This is a great place to get help, but theres lots of info in the haynes, chilton, and FSM on your questions
rebuilding a motor wont change its timing
OrionMCP: (2008-03-13 13:23:02)
Just set the #1 piston at tdc and set the camshaft gears to the alighnment marks before you reinstall the heads. Its not too complicated.