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Everett II 09-02-2005 02:16 PM

Jasper Engines
I recently decided to replace my '72 Ford 351C. I rebuilt it about 8yrs ago and I don't think I want to go that way again. I'm looking at a Class II Jasper 351C, and it seems to have alot of good stuff inside. Has anyone used a Jasper engine and what do you think of there product?

1931 steve 09-02-2005 02:24 PM

I have used many Jasper engines for customer cars. They are over priced with a good warranty. Other than the warranty does not cover the total labor cost. I have had a few problems with workmanship, a couple had loose head bolts (leaking head gaskets). Many more troubles with there trans. Now I have found a VERY good builder of engines and also a GOOD trans builder. So i haven't bought a Jasper for over 8 months. All in all they are a good product.

Steve :welcome: 09-02-2005 05:04 PM

Quit buying Jasper rebuilds many years ago because of Warranty problems. Switched to another major rebuilder and have had only one major warranty problem in over fifteen years. (Customer lost a motor in Texas). They took care of the problem very well.

machine shop tom 09-02-2005 05:16 PM

I have a set of heads from a Jasper marine engine (305 Chevy) heads in my shop right now. While the problem wasn't Jasper caused (leaky marine water-cooled exhaust manifold), upon inspection the heads (very few hours on them) were very hit-and-miss in the quality department. On head is in fairly good shape, the other one has very loose exhaust guides and probably should be replaced with another casting.


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