<VV> Need some tuning help
Scott Ford
dsford at cyberefx.net
Fri Nov 6 12:46:01 EST 2015
I recently rebuilt the engine in my '61 Rampside due to several dropped
valve seats. The engine is (as best I can tell) the original 80hp, 4 spd
that came in the truck. I installed new 30 over pistons and jugs, new
lifters, new head studs and remanufactured '64 110hp heads. I did not split
the block so it has the original camshaft installed. If I set the timing to
12 degrees BTDC it runs great but overheats after driving any distance and
will not restart. If I set it to factory recommendation 4 degrees BTDC then
as soon as I hit about 30mph it just lays down and has no power, but will
restart no matter how long it runs. I'm guessing the advance curve needs to
be adjusted but I'm not sure what I should do. Any suggestions?
Thanks,
Scott Ford
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