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Old 10-01-2015, 05:25 PM
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Default Re: Gramma's Car: the new project!

Here's the finished product;

Please note that all the peripheral steel components have been re-plated back to their original finishes--some builders run everything in yellow chromate, I try to keep the parts that were originally clear in clear and the yellow in yellow. The fasteners that were originally black are re-plated black.

Also, please note that some other builders will electroplate the castings in order to obtain a super-shiny chromate conversion. While this is an attractive finish, it's nowhere close to OEM. The castings were never plated from the factory, the chromate was applied directly to the bare castings. I reproduce the correct original finish on the castings the same way they were done at the factory, without electroplating them.

I mention this not to disparage anyone else's work, just to highlight the technical differences between my work and the work of other builders.















Steve, I'll get with you later today.

Thanks again for letting me be a part of this project.
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Old 10-01-2015, 06:12 PM
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Default Re: Gramma's Car: the new project!

Wow [img]<<GRAEMLIN_URL>>/worship.gif[/img]
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Old 10-01-2015, 06:43 PM
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Default Re: Gramma's Car: the new project!

Can I just put this one on my mantlepiece above the fireplace for a while? Too pretty to use!
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Old 10-01-2015, 07:00 PM
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Default Re: Gramma's Car: the new project!

We cc'd the 1975 6X-4 cylinder heads today. One head had chambers all at 94.5cc and the other head were all 93cc. A Pontiac engine guru plugged all the technical info from the build into his desktop dyno and it comes out to 9.44 to 1 compression and a predicted 390 horspeower at 4500 rpm and 480 lb-ft of torque at 3400 rpm. Compare that to the SD455 net rating with 290 horsepower at 4000 RPM and 390 lb-ft at 3600 RPM. [img]<<GRAEMLIN_URL>>/naughty.gif[/img]
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