SteveSS
Well-Known Member
- Local time
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- Joined
- May 28, 2013
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- Location
- Colorado Springs
We took the Mopar with the 360/408 stroker motor to a racing shop about 10 days ago. It was falling on its face after about 3500 rpms and making some noise from the top of the engine. The engine came from Blueprint Engines about 7-8 years ago and it doesn't have many miles but it hasn't been treated all that kindly. Burnouts etc.
I think I can say the name of the shop here. It's Steve Mills Racing. Steve was nice enough to listen to it when we dropped it off. I should mention here that engines running above 6000' whole different ball game than lower elevations. Sounded like valve noise from the back passenger's side piston.
He called today and said the valve spring loads were all over the place and not as strong as what we needed. Mine are varying around 600 when he thinks it needs 1000 or above to be safe. If that solves both problems I'm a happy camper but I wanted to run it by you guys.
I don't think he's messed with the fuel/air mixture yet and that may be another problem. When we pulled plugs they were black and one was kind of wet.
I think I can say the name of the shop here. It's Steve Mills Racing. Steve was nice enough to listen to it when we dropped it off. I should mention here that engines running above 6000' whole different ball game than lower elevations. Sounded like valve noise from the back passenger's side piston.
He called today and said the valve spring loads were all over the place and not as strong as what we needed. Mine are varying around 600 when he thinks it needs 1000 or above to be safe. If that solves both problems I'm a happy camper but I wanted to run it by you guys.
I don't think he's messed with the fuel/air mixture yet and that may be another problem. When we pulled plugs they were black and one was kind of wet.