1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Timing on S4 swap?

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Old 05-17-05, 05:40 PM
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Timing on S4 swap?

S4 13B using a 12a front cover and 13B GSL-SE main pulley. Does this mix matching of parts throw off your timing marks? I tried setting my timing today and it was way off. When I zero it out(my timing light and L mark) it stalls. When my assistant revs the motor so I can set it, the timing retards even more? I'm not using my vac advance. Any suggestions?


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Old 05-17-05, 10:25 PM
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IIRC, the S4 is L5/T20 while GSL-SE is L10/T20. If Im wrong, Im sure someone will chime in.
Old 05-18-05, 06:48 AM
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Should I put the stock S4 pulley back on?


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Old 05-18-05, 07:15 AM
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Take a look at this....http://members.optusnet.com.au/~onec...-%20part%20one

Read through all of the pages and it might help you understand the situation enough to get things straightened out....
Old 05-18-05, 11:42 AM
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Thanks man! Will do! By the way I put the S4 pulley on and no change? Also did the 2nd gen coil directfire while I was in there. I need to set the timing on this thing!



Thanks, Ed
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