TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

Holley Intake and TB

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Old Apr 30, 2004 | 05:50 PM
  #1  
dave87iroc's Avatar
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Holley Intake and TB

I JUST GOT THE INTAKE AND THROTLE BODY, PROJECTION AND THE 670 TB, WHAT DO I HAVE RELOCATE AND WHAT DO I HAVE TO GET FOR PARTS, BESIDES GASKETS, HAS ANY ONE DONE THIS SWAP IS IT WOTH IT? IT IS GOING ON A 92 RS 5SPD CAN IT BE DONE IN A DAY WITH OUT TO MUCH HASSLE? I NOTICED THAT THE VACUME FOR THE BRAKE BOOSTER IS IN A DIFFERENT LOCATION WHAT ELSE ANY ONE GOT ANY POINTERS?
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Old Apr 30, 2004 | 09:05 PM
  #2  
ShiftyCapone's Avatar
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From: Cincinnati, OH
Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
Re: Holley Intake and TB

Originally posted by dave87iroc
I JUST GOT THE INTAKE AND THROTLE BODY, PROJECTION AND THE 670 TB, WHAT DO I HAVE RELOCATE AND WHAT DO I HAVE TO GET FOR PARTS, BESIDES GASKETS, HAS ANY ONE DONE THIS SWAP IS IT WOTH IT? IT IS GOING ON A 92 RS 5SPD CAN IT BE DONE IN A DAY WITH OUT TO MUCH HASSLE? I NOTICED THAT THE VACUME FOR THE BRAKE BOOSTER IS IN A DIFFERENT LOCATION WHAT ELSE ANY ONE GOT ANY POINTERS?
You can relocate the brake booster by adding a t-fitting to any main vacuum line. You also need to convert to an older style EGR or run an TBI spacer to clear the valve if you go with your stock one. I would save the 670 unit unitl you have heads and cam. The stock one can go quite far. You will only have problems if you add the 670 now.
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Old May 1, 2004 | 09:23 AM
  #3  
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From: Murrayville, GA
Car: 1991 Pontiac Formula Firebird
Engine: 350 TBI
Transmission: 700R4
You'll have to re-plumb your heater hose to a fitting at the front of the intake instead of the rear where it is on the stock intake. No big deal at all. It makes that hose shorter and there for it makes the engine compartment that much cleaner looking.
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