TBI E-test results

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FSJ Guy
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TBI E-test results

Postby FSJ Guy » Tue Jun 20, 2017 12:53 pm

Passed Colorado emissions again. YAY!!!!

This is a 1987, with stock AMC 360 with GM TBI with timing control.

IM240 test. On the dyno.

HC GPM: 1.5900, Limit: 3.5000
CO GPM 15.9949, Limit: 30.0000
NOx GPM: 4.0597, Limit: 5.5000

CO2 GPM: 579.4088 (Why they measure this, I don't know....)

I'm guessing the high NOx is due to no EGR.
Ethan Brady

http://www.bigscaryjeep.com

1987 Grand Wagoneer. Slightly longer than stock.

Blake
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Re: TBI E-test results

Postby Blake » Tue Jun 20, 2017 1:16 pm

congrats buddy! I bet you are right in that if you had an EGR (which I think you are supposed too...) the NOx would be much lower.

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shimniok
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Re: TBI E-test results

Postby shimniok » Tue Jun 20, 2017 8:57 pm

Nice!! Congrats. They run clean with TBI and working emissions gear. Go figure. Lol

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'86 GW "Troubled Child" tc.wagoneer.org
360, TBI, 4" Skyjacker, 33" BFG MTs, WT D44+ARB, WT AMC20 + LockRight, CB 2m 6m 70cm, K0FSJ
The world's first Robotic Full Size Jeep!

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Nikkormat
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Re: TBI E-test results

Postby Nikkormat » Wed Jun 21, 2017 6:45 pm

Congrats Ethan, another year of limo fun!

For the sake of this thread, you don't HAVE to have EFI for good E-Test numbers. These are my IM-240 results from the old 360 and stock carb.

Image

HC: 0.2611
CO: 10.4175
CO2: 158.9269
NOx: 0.2081

BUT that was with a fresh cat and EGR. I'll bet that Ethan's numbers would beat mine under the same conditions on his TBI tune!
Now this ol' Jeep needs a coat a' paint
But she makes up for what I ain't

FSJ Guy
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Re: TBI E-test results

Postby FSJ Guy » Wed Jun 21, 2017 8:34 pm

I got a fast pass on my last Jeep. The had a 401 and the non-EGR performer intake. I don't know why I can't hit those numbers with this one. Maybe because it was a fresh rebuild... Who knows...
Ethan Brady

http://www.bigscaryjeep.com

1987 Grand Wagoneer. Slightly longer than stock.

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shimniok
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Re: TBI E-test results

Postby shimniok » Sat Jul 08, 2017 8:03 pm

The new cat makes a massive difference per my experience and the above.

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'86 GW "Troubled Child" tc.wagoneer.org
360, TBI, 4" Skyjacker, 33" BFG MTs, WT D44+ARB, WT AMC20 + LockRight, CB 2m 6m 70cm, K0FSJ
The world's first Robotic Full Size Jeep!


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