so my van has been backfiring a little bit lately, not
really a loud backfire, but i can hear it, and feel it
at the exhaust. so i think i need to play with the
timing. so im wondering how you get the pulley to tdc
for #1. pull the coil wire to the cap and crank the
engine till it comes up on #1? or can you use a large
wrench to crank it at the main pulley by hand(with the
coil wire off so you don't accidentally start it)?
i've got a timing light that you attach to the #1 plug
wire, and a battery or 12v source. would anything else
be causing the backfire? any timing help appreciated.

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Scott Wilson
85 GL Westfalia

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