Carburetors Carb discussion and questions. Upgrading your Third Gen's carburetor, swapping TBI to carburetor, or TPI to carburetor? Need LG4 or H.O. info? Post it here.

Tpi to Carb ignition problems

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Old 08-25-2012, 10:17 PM
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Tpi to Carb ignition problems

I am wondering if anyone can help I switched from Tpi to carb and after all my ignition seems to not work. I am thinking its the vats system or something like that. I am wondering if anyone else has had a problem like this if so how we fix it. Thanks guys
Old 08-25-2012, 10:36 PM
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Re: Tpi to Carb ignition problems

vats will not kill your spark, did you change to a vacuum advance distributor hei ? all you need is ign power to the coil.
Old 08-25-2012, 11:17 PM
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Re: Tpi to Carb ignition problems

And if I did get the vacuum sec where do I get the wire from or do I get one put in and if I didnt get the vac dis what things do I do
Old 08-26-2012, 12:08 AM
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Re: Tpi to Carb ignition problems

you can't use your old distributor. the old wire that powered the remote coil is pink. The pink wire is the accessory hot wire to the coil. On a gm hei distributor this goes to the b+ of the distributor and the vacuum goes to a ported vacuum signal.
Old 08-27-2012, 04:38 PM
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Re: Tpi to Carb ignition problems

The white wire from the coil gets hooked up to the tach terminal on the Hei distributor.
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