South Central Region Board for the states of Texas, Oklahoma, and Louisana.

EFI systems

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Old Feb 8, 2010 | 09:37 AM
  #1  
hitman's Avatar
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Joined: Oct 2003
Posts: 296
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From: Houston
Car: 1992 25th Ann. Z28
Engine: 5.7 TPI - Stock
Transmission: th700 r4
Axle/Gears: 3.23
EFI systems

Hey all. I am thinking about changing EFI systems...but I wasnt sure how emissions testing would be effected. Are there any systems out there I can swap to and still have a street legal car? Anything other than an LS1 swap?
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Old Feb 8, 2010 | 10:39 AM
  #2  
MotorMouth's Avatar
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Joined: Dec 2009
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From: Granite Falls, NC
Car: 1992 Camaro RS
Engine: 305 TBI
Transmission: T5
Re: EFI systems

TPIs has one you can add an EGR to. Most other setups say not for emissions equip vehicles.
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Old Feb 8, 2010 | 12:44 PM
  #3  
ZONES89RS's Avatar
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From: Hou. TX
Car: 86 TA, 91 B4C
Engine: 5.3, 4.8
Transmission: 4L80 4000, T56
Axle/Gears: 4.30 M12, 23.42 10 bolt
Re: EFI systems

I have a carb on all of my cars, i dont worry about emissions, i just go under the table.
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Old Feb 8, 2010 | 06:11 PM
  #4  
DrewsCam's Avatar
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From: West Houston, Tx.
Car: 1991 Z28
Engine: 355 TPI
Transmission: 700r4
Axle/Gears: 9 bolt disc / 3:27
Re: EFI systems

you could go for the stealth ram.. doesn't that have the egr connection?
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Old Feb 10, 2010 | 11:15 AM
  #5  
esc's Avatar
esc
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Joined: Nov 2002
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From: North of Houston
Car: '82 Camaro 11.7@121
Engine: 377
Transmission: 400
Axle/Gears: Dana 44 / 3.31:1
Re: EFI systems

What are your reasons for wanting a different EFI system?
What are your goals?
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Old Feb 10, 2010 | 03:43 PM
  #6  
l_dis_travlr's Avatar
Senior Member
20 Year Member
 
Joined: Jan 2006
Posts: 726
Likes: 1
From: League City, TX
Car: 90 Formula -- tot resto in progress
Engine: 350
Transmission: 700R4 w/ 2500 stall, by Owen @ ARD
Axle/Gears: 3.23 posi disc
Re: EFI systems

Should we assume the target is the '92 listed in the sig info?
How do you get emissions tested now? The procedure is vehicle
year dependent, not equipment dependent.
To that end, a good tune, and catalytic converter will usually pass.
Re-tuning should be an expected part of any such swap.
If you can't do that yourself, plan on finding/paying for that service.
As far as specific equipment like EGR, air pump, PCV valve, the
inspectors at lots of shops couldn't identify this stuff, if it jumped
off & bit their nose. But they can read the dyno/sniffer results.

Board member Denn-Shah works at a shop (on Lawndale), and
would be a straight-up guy for service/inspection help.

Good luck.
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Old Feb 15, 2010 | 01:23 PM
  #7  
hitman's Avatar
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Joined: Oct 2003
Posts: 296
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From: Houston
Car: 1992 25th Ann. Z28
Engine: 5.7 TPI - Stock
Transmission: th700 r4
Axle/Gears: 3.23
Re: EFI systems

My TPI in the 92 runs failry well I suppose...I dont have to change the EFI. The biggest prob I have with my car is passing emissions. The plenum on my car was cracked during porting...thats what I assume anyways....it was like that when I got it...its got some sort of epoxy that was used to repair it.

I could go for TPI upgrades but considering the cost of TPI upgrades and a totally new EFI system...I just need to weigh the cost and options and of course, presentation under the hood goes a long way. I have seen some nice setups with HSR and LS1 conversions but LS1 is just not a option. Too much expense and too much work than I am really willing to do.
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Old Feb 15, 2010 | 06:52 PM
  #8  
esc's Avatar
esc
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From: North of Houston
Car: '82 Camaro 11.7@121
Engine: 377
Transmission: 400
Axle/Gears: Dana 44 / 3.31:1
Re: EFI systems

If you don't have other upgrades in the works, I would first look at stock replacement/repair of whatever parts are bad. A cracked plenum can be welded (it is aluminum) or you can find a replacement for $50.00 easy.

If you really want to go with an after market manifold, the HSR is probably a good bet.

But if the problem is not a cracked and leaky part, no manifold swap will fix it.

Sounds to me like what you need to do is make sure what the problem is first.
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