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Jim Bernhardt's 1979 Trans Am
(In His own Words)

If you have any doubts about what these people can do for you - worry no more. I started working with SD Performance February of 2008. Countless phone calls just to get the preliminary specification s together. This was not a negative rather a positive to think through exactly what I wanted out of the car. My T/A is still very streetable but comes to life like someone dropped another engine in line. What is the key here is that Marcel was always willing to listen to my questions and provide detailed information. I have worked with several engine builders over the year and I can honestly tell you these guys are the real deal. Dave in the shop has equally been a huge help with me and they both continue to help with any questions I have. If one is not sure they talk to each other to make sure they are giving you the best possible advice. Customer service is not a slogin - these guys will always, alway take the time to answer even the seemingly basic questions in great detail. Trust me - you will not go wrong with these guys...they love Pontiac's. They have a customer for life and I tell everyone I know to call SD for a stress free, confident engine build.

 
   

News & Events

End of 2018 is fast approaching!!
12.04.18
Well it's been a while since we had an update on what's been going on at SD so here's a quick overview. more >>
Northwind Intake manifold Dyno Testing.
12.23.09
Well we had a chance to test the new Northwind on a 535 pump gas hyd. roller engine recently against more >>
2009 What a Year!!
12.19.09
Well we're coming to the end of 2009, to say it's been a challenge is an understatement. Three days into more >>

 

 

Engine Specs.
1971 455 block (+.045) for a final 463 CI.
Everything below spec'd by SD Performance Holley 870, Balanced Eagle rotating assembly. Cast 6X heads prep'd by SD with 5 axis 250 cfm with cross over fill option. Full roller system: Comp Roller cam "Old Faithful" great cam and lifters! Ross pistons with Total Seal file fit rings. Melling oil system and Speed Pro and Clevite 77 bearings.
This motor does not disappoint..If there is anything I struggled with it was giving it enough gas to keep it happy. Engine idles amazingly well and the brakes work and low idle with the help of the roller system.

I couldn't have done it without SD Performance - trust me, call them!