Quote:
Originally Posted by Ziegelsteinfaust
The intake, and holley won't add the punch your looking for.
My guess is you have 882 or equivalent shooter heads. Your cam is quite a decent going for a nice DD or torque motor.
So he may of gone back to the low 8-1 compression your originally had, and the softens the whole hit of the bigger motor. You will have to take to top end off to see if adding 64cc heads will bump the compression up.
Have you tried setting initial timing to 15*, and total to 36*. Stock D chamber heads need a lot of lead in due to the slow flame propagation.
If that wakes your engine up enough for you. Then I would consider adding a dual plane high rise, and new carb. Or atleast add a 1 inch open spacer for a little more plenum volume.
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Why would you run an open spacer on a duel plane intake.
Make sure you have fresh 93 octane gas in it. You should have tons of low end torque with your setup. Probably something simple like a vacuum leak.