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03-08-2003, 12:50 PM
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#1 |
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Registered User
Join Date: Feb 2003
Location: Midwest City, OK
Posts: 1,001
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Good TBI combo?
Holley TBI + Vortech TBI manifold + Vortech heads = good combo?
Anyone running this set-up? I already have the vortech heads, and the manifolds are becoming more readily available. Will I have to have the ECU chip reprogramed or will everthing bolt right up and run smooth? 
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03-10-2003, 12:18 AM
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#2 |
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BAD BOW-Silverado XST
Join Date: May 2000
Location: Senior Member from Austin, TX
Posts: 6,431
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Is the Holley TBI a replacement or stand alone system?
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03-10-2003, 01:05 AM
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#3 |
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Registered User
Join Date: Feb 2003
Location: Midwest City, OK
Posts: 1,001
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Should just be a replacement for the factory TBI. But they have TBI systems for Carb replacements.
__________________
Robert Current: 1986 SWB Silverado 4.3 / TH400 Past: 1985 SWB Silverado 305 / TH350 - sold 1995 1987 1/2 ton Silverado - FI 350 / 700R4 sold 2007 |
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03-11-2003, 03:50 PM
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#4 |
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I Got My Engine!!!!!
Join Date: Oct 2002
Location: Palmer, AK
Posts: 253
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yeah holley does make just a factory replacement, but in a lot of researching and talking to a few racers, they said that the holley TBI is identical in performance to just putting 454 injectors on the stock TBI. Works even better some said, so to waste money on a holley TBI isnt the way to go in my book, you can get brand new injectors for about 125, and the snap right in where the old ones were. The GMPP tbi vortec manifold is very nice. And the heads kick ass. I am very happy with the power they produce.
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F.O.R.D. "F*cked Over Rebuilt Dodge" -+-+-+-+Cameron+-+-+-+- 1987 GMC HIGH SIERRA LWB 1500 32X11.50 383 TBI/Vortec Heads/Intake MSD Ignition Dual Exhaust Custom Pinstriping Sweet interior & stereo http://www.cgalvin29.freehomepage.com |
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03-11-2003, 05:58 PM
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#5 |
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Registered User
Join Date: Feb 2003
Location: Midwest City, OK
Posts: 1,001
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87gmc, did you have to use a reprogramed chip for the 454 injectors?
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03-11-2003, 10:43 PM
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#6 |
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I Got My Engine!!!!!
Join Date: Oct 2002
Location: Palmer, AK
Posts: 253
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no i havent reprogrammed my ecm and it runs great. I would have but it ran fine so i had no reason to.
__________________
F.O.R.D. "F*cked Over Rebuilt Dodge" -+-+-+-+Cameron+-+-+-+- 1987 GMC HIGH SIERRA LWB 1500 32X11.50 383 TBI/Vortec Heads/Intake MSD Ignition Dual Exhaust Custom Pinstriping Sweet interior & stereo http://www.cgalvin29.freehomepage.com |
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