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Old 02-17-2011, 04:38 PM
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Need help with Buick v6 cam id

I have an assembled Buick v6 turbo short block that I was told has a lunati 32508 camshaft. I decided to pull it to be sure and I can't cross reference the engraved numbers on the back. They are 2604-12 and ud3756. Can anyone id this can for me. Here's a picture if it helps


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Old 02-17-2011, 07:36 PM
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Cam appears to be an UltraDyne. They are out of business, but they were bought up by Bullet Cams, who have all of the ultraDyne cam grinds now. You might try calling them, they should be able to help you out. It might be on their website.

You could also try calling Harold Brookshire, known as UD Harold, he was the owner and cam designer of UltraDyne and has kept records of all the cams he did. His # is 662-562-4933.

The last cam company Harold worked for was Lunati, he designed their VooDoo line, so that could be how Lunati got into the discussion on this cam??
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Old 02-18-2011, 11:19 AM
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Tried lunti and the numbers don't work. I also called bullet cams and they couldn't figure it out. So now I need to figure out the next step.
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Old 02-18-2011, 11:32 AM
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Quote:
Originally Posted by Phoneguy
So now I need to figure out the next step.
My next step would be to reinstall the cam back into the block, mock up the valve train for one cylinder w/lifters made to be solid so they don't compress.

Install a degree wheel to the crank snout, use a dial indicator off of the lifter and measure the degrees on both sides of the lobes for lift at 0.004" or 0.006" (for "advertised" duration) then again @ 0.050".

Also measure max lift and where it occurs in degrees.

This will give you enough to go on, even if you never find the manufacturer.
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Old 02-18-2011, 11:42 AM
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I thought about doing this but I would really like to know what it is. I emailed Harold brookshire with the numbers and I'll see if he comes back with anything.
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