Recent content by Christopher Vastine

I have heard the same which makes me think it's something in the valve train. I am leaning towards doing a leak down test.

Working on that as well. I have a buddy bringing over a holley 750DP to try, but will be a few days.

I am active duty military, but went to college and was ase certified. Over the last 20 years i have built and restored many cars, but no performance motors other than a few 350's and 400's. I never had an issue like this. As far as the cr discrepancy heads are 63cc vs 65cc. Using the Wallace...

Disregard, as i don't mean to be a pain and really appreciated all your help. Regarding plot thickens previous onwer had nothing to do with the motor just the transmission and rearend before giving up, but still had original motor installed. I built the replacement motor utilizing a local very...

The current cam is the edelbrock 7177, but i am considering doing a cam swap for a better match. The above specs are a Lunati cam that bring the dynamic compression up significantly. Is recommended for a 2400 stall torque converter with isn't a problem as i currently have a 2500 stall. Previous...

So based off what you have posted and a lot of learning on cams thanks to you. I am catching that the cam is a horrible match to the motor. Keeping it streetable on 91 octane pump gas dynamic compression should be between 7.5-8.5. The below cam would be a much better match to the motor and...

Correct i entered in the degrees at .050. Compression test results where posted earlier. Cold and dry with full battery was 160ish on all 8 cylinders.

I reread the posts and your calculations are based on a flat top piston. I only mentioned kieth black pistons, but not which ones(23cc). I read the 12-1 compression ratio again and thought no way could I be that far off. Punching in the numbers on the wallace calculator with the cam i get the...

Its not being built to race, but more as a torque monster cruiser with a lopey idle.

With the numbers provided, your Scr maths to 12.2. That sounds pretty good. But remember that your Dcr starts from when the intake actually closes, so at 81* that comes to 8.4Dcr@6000ft. With alloy heads that is a good number. But the cranking cylinder pressure is only predicted to be 142psi...

No MSD ignition just stock setup with everything new and old parts as backup. This is the largest cam i have installed on a mopar. I have a snap on dial back and a cheap timing light. I have done a lot of troubleshooting on it. Was thinking maybe intake was leaking internal , so pulled intake...

- Yes balancer is indexed correctly - Cam was installed per manufacturer specs - I have two timing lights so i can double check - yes i know what the transfer slot is and have adjusted many edelbrocks. I will run back through the process tomorrow double check with both timing lights.

I will get you a better number but think i went all the way to 26 or 30 degrees. I will redo tomorrow

No i mentioned earlier i am considering drilling the spare 1406 i have as a test

So after adjusting the transfer slot to the square and trying to adjust timing to get up to idle i counted the number of half turns i made on the idle speed screw to get it to idle. Then tried adjusting timing more and backing off the idle screw to get it back to starting postion, but cant. I am...