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Customers

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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Don S.

John, I can't emphasize this enough, but without the help you're getting me I could not have afforded my dream engine! I literally have cringed when...
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Ryan

bought numerous things and all transactions went very smooth. Responded to emails within a day or less. Ryan
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Ken L.

John, Thanks for all your help. I wish I had known about you before I ordered the rest of my stuff! Thanks, Ken
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Robert S.

Robert S.

Great parts and service! Robert
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Barbara H.

John, Thanks again for making Colton's dream come true! The truck is in the body shop, the cowl hood arrived and the new 408 engine you built is...
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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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Brian C.

Brian C.

I have never had any problems with John on any transaction. One of the few vendors I have never had a single problem with. Including paying overnight...
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Henry T.

Henry T.

HEY! Everything is installed and car runs AWESOME! Thanks for everything, Thanks again. Henry 2000 Dodge Viper R/T 10
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Brian A.

Brian A.

The 408 engine runs strong, put on dyno 405hp with 415tq N/A not shabby.. also was on 22" wheels with those numbers est. 500-525 @ crank. Thanks so...
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Barry Grant

Demon is the only carburetor with patented* contoured air entries.
 
All high-performance engines are judged by horsepower, torque, throttle-response,
 mid-range and top-end power. The key to meeting these needs lies in the air that’s
 fed to the engine - the airflow and how it’s introduced to the carburetor.
The Demon features many superior qualities, but its contoured air entries are probably
 its leading asset.
 
The power is in its profile.
 

Demon carburetors - In Form and Function they’re the finest.





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