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Customers

Kyle M.

Kyle M.

John, I am very pleased with the brake conversion. The kit was very easy to install and I didn't have any problems and look very good as...
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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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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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Robert S.

Robert S.

Great parts and service! Robert
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Darren B.

Darren B.

John,Racing flat out on the 440/533 engine over 1 season & 65 passes at 8.97@150mph 1.27 60' getting great results!!Engine is GREAT!Thanks mate!
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Pete L.

Pete L.

Mopar RB 440 Aluminum block with a Procharger. Makes 1600 HP!!
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Harold R.

John, Thanks for the great customer service! Harold
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Robert S.

Robert S.

426 Hemi Cuda
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Buyer

Super guy to deal with! GREAT SERVICE!! GREAT PRICE!!
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Robbie C.

Robbie C.

Great job all round !
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William K.

William K.

Well your service is amazing if you want my opinion. Never had better from any company I've ordered from. William K.
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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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Bruce P.

Bruce P.

You’ve got a big fan in me. Oh yeah, the car is awesome. Runs like a raped ape. So thanks a lot !
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Derek B.

Derek B.

Great Personalized service. Derek
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Felix C.

How awesome is this! This superb service is exactly on point w/what everyone have raved about. Thank you, Felix
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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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Rob D.

John is a real awesome guy. i couldn't thank u enough for all the help over 7-8 years.
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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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Alexander F.

Alexander F.

Hey John! Roller Rockers are still in and have been great. I get almost 18mpg highway! I seriously appreciate all your help.
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Marko T.

Marko T.

Hi John! Thanks again for the great service! Marko T. Finland
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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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Phil S.

Phil S.

Great job creating this Dakota R/T Ground Affects Kit. Phil
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Andrew R.

Andrew R.

I am very pleased with the quality of the magnum deep pan, and the best part is that it really is not much deeper than the stock pan so I dont have...
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Steve V.

Steve V.

You are the only guy who I trust to do the most important thing I'll ever do to my Roadrunner, a car that means more to me than any inanimate object...
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Steve B.

Steve B.

Thanks for the help with my 426 stroker.
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Tech Help



Product Image Item Name- Price
4:56 Ring and Pinion Info

4:56 Ring and Pinion Info

CHRYSLER PROBLEM: CHRYSLER: 9.25", 12 Bolt Cover, 4.56 and Higher. I bought 4.56 gears for my 1/2 ton pickup, but I cannot get the cross pin...
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Adjusting Valves

Adjusting Valves

How to Set Valves the Easy WayIt's a skill that every hot rodder should know by heart. It can also be one of the more confusing aspects of engine...
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Adjusting Valves with Perma-Locks

Adjusting Valves with Perma-Locks

Adjusting Valves with Perma-Locks When adjusting valves with perma-lock adjusters, after reaching desired valve lash, loosen adjuster 1/4 turn,...
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Adjusting Valves with Stud Girdles

Adjusting Valves with Stud Girdles

Valves with Stud Girdles When adjusting valves with stud girdles, after tightening stud girdles you must recheck valve lash.
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Aluminum Connecting Rods for the Street

Aluminum Connecting Rods for the Street

Urban legends abound in the gearhead community. One is: aluminum connecting rods don't work in street engines. Prior to the mid-'70s, that might have...
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Camshaft Degreeing

Camshaft Degreeing

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Choosing Torque Converters

Choosing Torque Converters

For most people, selecting the right torque converter remains a mystery. Unless you have years of experience in the field, it is near impossible to...
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Cometic Head Gasket Tech

Cometic Head Gasket Tech

Can MLS head gaskets be used with motors setup with o-rings or receiver grooves around the cylinder bores? No. MLS head gaskets require smooth, flat...
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Coolant System

Coolant System

COOLANT: The cooling system is one of the most important elements in vehicle operation, yet is not given the attention that other automotive systems...
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Diagnosing a Clogged or Partially Restricted Exhaust

Diagnosing a Clogged or Partially Restricted Exhaust

Diagnosing a Clogged or Partially Restricted Exhaust This involves drilling a small hole {typically 1/8-inch o.d. maximum} in the exhaust pipe ahead...
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