LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Dowel pin help

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Old 09-24-2009, 03:22 AM
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Default Dowel pin help

i have a 1995 z28...i was takeing off my opti because it started misfiring and i noticed that the dowel pin was broken ... there is still a little peace there but i does not even come cloes to the opti to spin it ..what do i do to fix it..... i was thinking of welding a little peace of metal so i will spin the opti can some one give me some advice
Old 09-24-2009, 06:16 AM
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is it a vented opti?
u dont need a long dowel pin for a non-vented opti, as long as the dowel pin gets throgh the cam sprocket, it should be fine,,,someone correct me if im wrong
Old 09-24-2009, 06:37 AM
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'95 had vented optis. you are correct in your statement, but he will need the dowel pin
Old 09-24-2009, 07:05 AM
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You are going to need to get that dowel pin out and replace it.
Old 09-24-2009, 08:03 AM
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How did it break is my question..
Old 09-24-2009, 10:06 AM
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Originally Posted by the_merv
How did it break is my question..
x2 not the biggest wear part on the car.

If it helps i used an old really heavy duty drill chuck to get the pin out of my cam.
Old 09-24-2009, 09:05 PM
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I dont know how it broke...i had the car for 7 months and have been driving the car like that ...it had a back fire and miss but that was it so i decided replace the opti becaus i had already relpaced the pulgs, wires and coil....when i took the opti off i saw the pin was broken it surprised me that the car was runing and the rotor was just lose in the cap the 2 screws had came off....yea its vented ...the guy i got it from told me its a lt4 hot cam i dont know if that makes a diff...but i tryed knocking it in so i can replace it but it does not move so know im drilling it out
Old 09-24-2009, 09:09 PM
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Perfect excuse to put a cam in it.
Old 09-27-2009, 09:29 AM
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Originally Posted by 97Z28SS
Perfect excuse to put a cam in it.
x2 Jump in!



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