TPI Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.
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Old 06-26-2004 | 12:52 PM
  #1  
fbody 87's Avatar
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vats

I'm having soooooooooooo much trouble with this vats ,I need to get it deleted out of my '89 E.C.M. I put a complete '89 T.P.I. 350 in my non vats '87 bird. As I have been reading,the injectors will not fire,which is caused by the stupid vats.The E.C.M. has a Hypertech Thermomaster chip in it. Do you know of anyone who can send the vats signal out to the vats graveyard?
Old 06-26-2004 | 02:43 PM
  #2  
elcamin0_77us's Avatar
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Joined: Jan 2004
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From: Georgia
Car: 77 El Camino
Engine: 355 Converting to TPI
Transmission: Converting to 4L60/4L60E
You've got three choices:

1. Install A VATS into your car.

2. Install a VATS Bypass.

3. Remove the VATS from your ECM.


If you do a search on Yahoo or Google for GM VATS, you'll find the info that you need to do #1 or #2. #3 will require a mod done in the programming of the chip from my understanding. Myself, I'll be installing a TPI into a 77 Camino and using a VATS out of a donor car.

Bill
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