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Customers

Colton H.

Colton H.

"Johns the man, bought a 410 package from him years ago after I got back from overseas. The caveat I gave John was that it had to pass Californian...
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Marko T.

Marko T.

I have been building cars over 20 years and you have been the best parts dealer ever! Thanx for your friendship! -Marko, Finland
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Mike M.

John's very honest, something that's hard to find these days. This means he'll tell you the truth and you may not want to hear it. LOL. The best...
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Chris B.

Chris B. won the late model feature easily Texas Motor Speedway.
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Craig W.

Craig W.

Thanks John, So far 8 races and 8 top Five!!
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Maurice

Maurice

Maurice 73 Dodge Dart
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Gary H.

Gary H.

John, Thanks a lot !
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Jason B.

Thanks John.. you have been awesome to work with and I am REALLY looking forward to driving my SRT-10 again :) Jason
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Ricky R.

Ricky R.

1937 Chevy Legends Race Car, Thanks for everything!
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Steven

Southeast Performance and John Mercedes have been "OUTSTANDING" to do business with. I couldn't be happier.
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Vincent G.

Thanks for all, Your shop is very highly recommended by a lot of Dakota/Durango owners up here in Canada.
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Benny C.

Benny C.

Thanks for the Great Mopar Service !
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Tom R.

John--the 408 engine you built for me is outstanding. Feel free to give him my cell number and I'll happily give you a strong reference. Thank you...
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Dan F.

Dan F.

John, The truck is not done but i drive it daily and it runs good now. Eventually id like to do the rear brakes! Thanks
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Ricky J.

Thanks for all the info, you have been a great help and a credit to your company.
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Jared B.

John, You Rock! Thanks again for the great deals and speedy service. Really appreciate it. Jared Dakota R/T
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Robert S.

Robert S.

Great parts and service! Robert
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Dan B.

Dan B.

Dakota R/T 408, Thanks for everything! Dan https://www.youtube.com/watch?v=wZekmXKYXA4
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Steve F.

Thank You for all your help and hookups with the parts - sounds like a lot of people appreciate it, I'm one of those people. - Steve
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Robert S.

Robert S.

426 Hemi Cuda
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Kris L.

John, Sitting in the car with a big smile on my face. Thanks for the quality brand products and the great price. Cheers Kris
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James G.

James G.

5.80 in 1/4 mile @ 244 mph & 3.76 @ 197 in the 1/8 mile
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Buyer

Super guy to deal with! GREAT SERVICE!! GREAT PRICE!!
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Michael W.

Michael W.

After getting all the compatible stuff shes a beast! Michael
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William K.

You do outstanding work man. My whole crew is ready to see your work in action ;-)
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Iron VS. Aluminum

Iron VS. Aluminum
When pushed to the extreme, it's pretty safe to say that the only advantage of an aluminum block over an iron block is weight savings. "Keeping all else equal, we take a 30-45hp hit in our aluminum motors compared to our iron motors." The rate of thermal dissipation is higher, but that only accounts for 10 percent of total power loss. "The bigger issue is that cylinder-wall retention is impossible to maintain. With aluminum, the cylinder walls can move around, ring seal is terrible, and leakdown is always worse." However, if a thicker cylinder wall is used in the block, the trade-off wouldn't be as bad and the weight savings could make up for the difference in power. We compensate for this by putting bigger cams in aluminum motors and by winding them out a little higher.



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