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Old 06-13-2015, 04:22 PM   #177
K20chevy
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Join Date: Oct 2012
Location: Pittsfield, ME
Posts: 477
Re: 78 K20 custom delux "modern meets vintage" build thread

Quote:
Originally Posted by Stephen Watson View Post
How does the VVT work out with the manual trans? We're putting a L92 into a K30 with a full manual TH400 and our engine guy didn't like running the VVT without the corresponding auto trans talking with it. I assume he didn't think the cam phasor could keep up with a manual shift.

Of course your manual shift is not the same as a full manual auto. Maybe the tiny bit of extra time to shift a manual is all the engine needs to move the cam?

Cool truck!

Thank you!

To be perfectly honest, I don´t know exactly what changes on the programming have been made. Jared at Current Performance did all the computer stuff. It took us A LOT of tries to get it working though. I know we used a combination of an ´08 Escalade, an ´08 Denali truck and some custom tune.

Have you had the engine run yet? If not, the main hurdle is that the engine goes in a limb mode when ot is in Park or neutral. Without a trans computer, it always thinks it is in P or N. So then the RPMs are limited and it cuts power. If you programm it to be in drive, it won´t start!

I can ask Jared for some more specifics if you´d like.

All I can say, now that it works, it drives awesome. Unbelievable how nice the torque curve stays up. It´s a blast to drive.

Let me ask him Monday and I´ll get back to you.

What K30 are you putting it into?
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78 Chevy K20 Custom Deluxe, build: http://67-72chevytrucks.com/vboard/s...d.php?t=612104

68 Chevy K20 Panel truck, build: http://67-72chevytrucks.com/vboard/s...41#post7263441
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