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It is currently Tue Apr 07, 2026 10:02 am
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[ 4 posts ] |
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firecapt186
MMT Member
Joined: Mon Mar 14, 2016 10:09 am
Posts: 17
Location: Brusly, La.
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 37 EFI Advice I have the 37 EFI and have gutted the muffler and wondering if this may cause the EFI to run lean. I put a 2" tail pipe in place of the original. Is there a way to tell if it's too lean, other than going by the looks of the plugs? And if it is, what can be done to the EFI if it is too lean?
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18X52 Martinez custom boat, Paint job and Gator Glide by Cajun Camo Painting, GTR 37 EFI
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| Wed Mar 23, 2016 3:53 pm |
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TPerkins
MMT 1000 Club
Joined: Wed Jan 02, 2013 12:59 pm
Posts: 1793
Location: Clear Lake, Tx
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Re: 37 EFI Advice Plenty guys running aftermarket exhaust. Delta has dyno sheets showing the air fuel being fine with the aftermarket exhaust.
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| Wed Mar 23, 2016 4:41 pm |
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firecapt186
MMT Member
Joined: Mon Mar 14, 2016 10:09 am
Posts: 17
Location: Brusly, La.
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Re: 37 EFI Advice
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18X52 Martinez custom boat, Paint job and Gator Glide by Cajun Camo Painting, GTR 37 EFI
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| Wed Mar 23, 2016 5:37 pm |
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TPerkins
MMT 1000 Club
Joined: Wed Jan 02, 2013 12:59 pm
Posts: 1793
Location: Clear Lake, Tx
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Re: 37 EFI Advice
This is Delta Performance dyno sheet on a stock 37efi
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| Wed Mar 23, 2016 6:19 pm |
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