2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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CAS Alignment

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Old 11-28-05, 01:31 AM
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GTR
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Arrow CAS Alignment

Simple Question.

In the FSM, it says to line the pulley up to the yellow mark (which is 5* ATDC) and line up the dot and pointer on the CAS. After that insert into the front cover. Which is fine but what happens if you have a racing beat underdrive pulley and has marks in

10 ATDC , TDC , 10 BTDC , 20 BTDC

Should I worry or the 5 degree wont make a difference?

Insight?

Tommy

Last edited by GTR; 11-28-05 at 01:38 AM.
Old 11-29-05, 01:37 AM
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Anyone?
Old 11-29-05, 01:42 AM
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Half way between 10 ATDC and TDC is 5 ATDC. Make your own mark with like nail polish or white out or something in the middle and there you go.
Old 11-29-05, 02:05 AM
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LOL. I was about to do but I wanted to see if there was a different way.

Oh I saw your thread of your car running. Sounds like fun. I'm currently rebuilding mine. Hopefully all goes well to the both of us.
Old 11-29-05, 02:07 AM
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Yah, I have the RB main underdrive pulley and had to do this also. Works fine

Good luck.
Old 04-18-06, 11:14 PM
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ok so can you run p/s on an underdrive main?
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