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FAST DFI questions, need info ASAP please!!

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Old May 23, 2005 | 10:20 PM
  #1  
1bad91Z's Avatar
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From: Houston Area
Car: Faster
Engine: Than
Transmission: You!
FAST DFI questions, need info ASAP please!!

Anyone familiar with the FAST bank to bank setup with WBo2? If so, I need some questions answered as soon as possible, I'll be making the decision on which setup to go with very soon.

1. How do I maintain the use of my factory cluster (91 Z stock cluster). ???

2. There is one FAST dealer/distributor that offers a piggy-back harness to make the system not just stand alone..... Is that the way to go?

3. Also, I've heard of adverstisements for the older FAST setups for $1,000 complete due to the new FAST XFI coming out. Is that true, and if so, where?

Any help from you guru's would be greatly appreciated!!

Thanks!
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Old May 25, 2005 | 04:25 PM
  #2  
fb305svs's Avatar
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From: Oakville, Ct
Car: 1991Firebird T/A
Engine: 350
Transmission: Modified Viper t-56
Axle/Gears: dana 44, 3.55
there are outputs on the efi unit for things like rpm...

otherwises, there are two harnesses in these cars, one chassis and one engine... what i'm trying to say is that the dash instrument panel gauges, with the exception of the tach, all use there own sensors, which means your guages shouldnt be to much trouble to keep working


also, i wouldn't doubt the earlier fast efi setup coming down in price - the new fast is supposed to be very good...

a piggy back harness IS handy, i say use it if your oem harness is in *** shape.
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Old May 29, 2005 | 09:17 AM
  #3  
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From: Mass
Engine: 350 TPI
Transmission: A4
Axle/Gears: 3.23
I am in the same boat, I may have a deal here in the city for a FAST setup(bank to bank) with WB02 for $1400. It is NEW. One of my concerns was the operation of my gauges but I guess it shouldnt be to hard to figure out. I donthavea partnumber on this setup yet, I am waiting on the email but how many different FAST systems are out there?
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Old Jun 1, 2005 | 08:20 PM
  #4  
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From: Mass
Engine: 350 TPI
Transmission: A4
Axle/Gears: 3.23
well, I just bought my setup. it is the older FAST setup and comes with WB O2, and all harness and cables. I paid $1400. The shop told me that since I am running a 6spd, no A/C, no cruise control and that I have a Auto Meter electronic speedo that I should have any wiring issues at all with the harness. I will be using the FAST harness since I dont trust the OEM one. My tach will run straight off the MSD.
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Old Jun 5, 2005 | 10:56 PM
  #5  
1bad91Z's Avatar
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From: Houston Area
Car: Faster
Engine: Than
Transmission: You!
Good Deal, do they have any more at that price?

Also, my harness is in great shape and I do still want to run the factory cluster.

I'm running a six-speed as well and an Autometer tach wired to the MSD box.

If I run this setup, will I still have to have the factory ECM hooked up in order for the cluster to work?

Or, will I still have to hard wire the FAST harness into the cluster?
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Old Jun 6, 2005 | 08:07 AM
  #6  
fb305svs's Avatar
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From: Oakville, Ct
Car: 1991Firebird T/A
Engine: 350
Transmission: Modified Viper t-56
Axle/Gears: dana 44, 3.55
no, the computer does not need to be plugged in for the cluster to work
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