Woody35
Active Member
the person who built mikey von's engine did too i think
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Highest HP ever out of a 6.5
- Thread starter 6.5quest
- Start date
3500GMC
What T F, over
Nice photos, Mikey von. Thanks for sharing.
The bowl areas need big time work. WOW there is so many things stacked against the 6.5 in terms of airflow. The unshrouding of the valves is a very worthwhile exercise, and you are on the right path for sure.
I thought it was a no-no to mill the heads with the precups in place..?
The bowl areas need big time work. WOW there is so many things stacked against the 6.5 in terms of airflow. The unshrouding of the valves is a very worthwhile exercise, and you are on the right path for sure.
I thought it was a no-no to mill the heads with the precups in place..?
3500GMC
What T F, over
Have any numbers to compare? (6.5T to early 6.2 n/a)
Slim Shady
DEATH BEFORE DISHONOR
- Messages
- 1,523
- Reaction score
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2.02 intake and 1.94 exhaust on the early 6.2 NA motors, course threaded heads.
hereismylife
formerly j k auto
Any update on this?
6.5L
Old Iron Runner
Judging by track times and trap speed, with my current setup, I am at 288rwhp, so I'd bet over 300 at the crank. Which for a mechanical 6.5L with a slight turn on the fuel screw and some custom tuning in other places on the pump, really ain't that bad I don't think. The custom manifolds I'm making are I think really going to help my final power number. I will hopefully have everything done by the end of the week. Will be taking lots of pictures and have a lot of data to compare it to.