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Sep 24, 2008 | 09:42 PM

#11

1989k1500

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From: Ravenna, MI

vaccum modulated trans and speed density with 2 bar map.

Sep 25, 2008 | 08:54 AM

#12

silver-mod-o

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From: SETx

Yeah, but don't forget if you are running a vac modulated trans with boost you've got to install the trans bypass valve in the vac line. FLT hooked me up for 30 bucks

easy fix.

Sep 25, 2008 | 09:11 AM

#13

nonnieselman

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From: Crystal Springs, MS

Quote:

Originally Posted by GMCDee

So should i just run the 2 bar right off for tuning purposes, ill be running the KB kit also just trying to get some hind sight so im not back tracking once i get it installed. Might even get a blackbeartune for intial start then go from there, and get some help from one of the guys on here that lives near by. You running a 2 bar thunder?

That right there is a good idea.. That way you can tweak it with the help of Justin..

Quote:

Originally Posted by GMCDee

Awww ok gotcha 2 bar it is then. I knew i was going to have to run it. Wow i hope EFI has some good repository for me to look into. Thanks guys 18 days left

But you can run the MAF up to a certain limit then let the 2 BAR take over.. Some guys with the Blowers do this cause of how quick it goes into boost..

I went straight to OLSD 2bar MAP.. Do away with your MAF and install a IAT sensor (connect brown and black wires from the MAF to the IAT)

What year is your truck?

Sep 30, 2008 | 07:43 PM

#14

GMCDee

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Launching!

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From: Yuma,Az

2000 ecsb

Sep 30, 2008 | 07:49 PM

#15

nonnieselman

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From: Crystal Springs, MS

Quote:

Originally Posted by GMCDee

2000 ecsb

I would suggest getting a 2002 PCM.. and if you have EFI live, theres tons of guys that can help you.. I went with OPSD 2bar with no MAF and it was very easy for me to catch on to..