M
Mike G.
Guest
I am totally stumped.... ??? The problem: engine mis-fires and looses power at around 2-2200rpm when under load (climbing) or rapid acceleration in 3rd and 4th gear. If I pull the choke out less than half, the mis-firing is reduced.
I have tried everything to fix the problem: New ignition parts (OEM), new coil, carb rebuild by J. Chenoworth, new electric fuel pump and filter, timing checked and rechecked, replace all vacum lines and brake booster, new air filter.
The engine idles perfectly smooth @ 900rpm. Fuel delivery seems OK - fuel level correct in carb sight glass. The engine is slightly modified with a Downey header, water heated heat riser on intake manifold, vacum advance distributor w/ carb ported for vacum line, electric fuel pump.
To me, it seems like a fuel problem or a timing problem - but these seem to check out OK. Any suggestions on what I should do next would greatly be appreciated.
Mike G
TLCA #13446
I have tried everything to fix the problem: New ignition parts (OEM), new coil, carb rebuild by J. Chenoworth, new electric fuel pump and filter, timing checked and rechecked, replace all vacum lines and brake booster, new air filter.
The engine idles perfectly smooth @ 900rpm. Fuel delivery seems OK - fuel level correct in carb sight glass. The engine is slightly modified with a Downey header, water heated heat riser on intake manifold, vacum advance distributor w/ carb ported for vacum line, electric fuel pump.
To me, it seems like a fuel problem or a timing problem - but these seem to check out OK. Any suggestions on what I should do next would greatly be appreciated.
Mike G
TLCA #13446