JMS chip owners!!! Come answer my bottom line questions.

Matt Harwood · 10-17-2001, 08:31 AM

If your car is already running well, a chip probably won't give you big gains. I went through three chips and two MAF meters on FrankenRanger (see sig.) before I got it dyno tuned. My goal was to cure driveability problems with the Kenne-Bell blower, but with the chip, we were able to find an additional 96 horsepower in the truck. But without the dyno, we would not have been able to do this. My JMS chip (which I tossed) ran the truck OK, but didn't make any power I could feel.

I'm of the opinion that a chip is wasted money until you have substantial modifications that start to affect driveabililty. And at that point, you should get it tuned properly on a dyno, since it's basically shooting in the dark to try to program a chip via mail-order. For your money, there are better upgrades that will make more power.

Hope this helps.

------------------
Matt Harwood
Harwood Performance Engineering
Cleveland, OH

1993 LX coupe: built 342, GT-40X heads, ported Cobra intake, JBA headers, 3.55s, etc., etc., etc.

FOR SALE: 1997 Ranger Splash Supercab: 1995 Cobra 5.0L, 8 PSI Kenne-Bell supercharger, Tremec 3550, 75mm Pro-M, 3.55s, fully functional PS, ABS, ice cold A/C and emissions legal.

See it all at:
www.harwoodperformance.bizland.com

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10-17-2001, 08:31 AM	#1
Matt Harwood Registered Member Join Date: May 2001 Location: Cleveland, OH USA Posts: 10	If your car is already running well, a chip probably won't give you big gains. I went through three chips and two MAF meters on FrankenRanger (see sig.) before I got it dyno tuned. My goal was to cure driveability problems with the Kenne-Bell blower, but with the chip, we were able to find an additional 96 horsepower in the truck. But without the dyno, we would not have been able to do this. My JMS chip (which I tossed) ran the truck OK, but didn't make any power I could feel. I'm of the opinion that a chip is wasted money until you have substantial modifications that start to affect driveabililty. And at that point, you should get it tuned properly on a dyno, since it's basically shooting in the dark to try to program a chip via mail-order. For your money, there are better upgrades that will make more power. Hope this helps. ------------------ Matt Harwood Harwood Performance Engineering Cleveland, OH 1993 LX coupe: built 342, GT-40X heads, ported Cobra intake, JBA headers, 3.55s, etc., etc., etc. *FOR SALE:* 1997 Ranger Splash Supercab: 1995 Cobra 5.0L, 8 PSI Kenne-Bell supercharger, Tremec 3550, 75mm Pro-M, 3.55s, fully functional PS, ABS, ice cold A/C and emissions legal. See it all at: www.harwoodperformance.bizland.com