JET POWERTECH CHIP good or bad?

88fivepointoh · 05-07-2003, 08:51 PM

I just ordered a new Jet Powertech Performance Chip from summit racing for my mustang to hopefully maybe solve my lean fuel issues. The one i ordered is the one that plugs in between my ecu and my harness.. Has anyone used these and what kind of experience has everyone had? I am hopeing that it will send my injectors some additional fuel to richen up my mixture and maybe even out my idle..

Murdock · 05-08-2003, 11:53 AM

Never really had any personal experience with the JET chips. There must be something to them since Summit and JEG'S carry them. Please PM me with your findings on these chip as far as any drivability issues and power increases. Did JET require you to change to a lower temp thermostat? I know Hypertech does that sometimes.

billheis · 05-09-2003, 09:20 PM

I don't have experience with Jet either, but I have Hypertech in my 90. The good; mid range part throttle pick up great. The bad; had to put timing back to 10 (full throttle dropped off), idle got very rich, and got part throttle cruise lean surge. However that was with stock mass air meter (yours being an 88 you don't have to worry about that unless you converted) just put Granatelli (Pro M) meter and idle leaned out and surge just about gone. I'm planning to go to strip and test with and without chip. Now that I have have this I've heard very good things about Superchips. They ask what mods you have before they send it.

88fivepointoh · 05-09-2003, 09:41 PM

well I am putting it in on sunday and yes I did convert to mass air but like you said i have the 75mm Pro-m and 24 lbs injectors and the whole nine.. so I think the chip should compliment my modifications especially the f-cam! i'll let everyone know on monday.. however I am experienceing a crappy idle.. it missfires badly.. seems like someone just shut the key off and then switches it on and off while its running.. its started doing this bad last nite.. i am getting really pissed.. I think its a wiring issue when I converted.. i will check them all when i Install the chip. keep ya posted guys!

88fivepointoh · 05-11-2003, 01:31 PM

Well I installed my Chip today and to my suprise what a difference.. 1st gear is extremely hard to keep the wheels on the ground and that is with stock gears. it seems to have alot more pull. So far I am pleased with what i see.. once the roads dry up I will get back out there and test it out!

05-07-2003, 08:51 PM	#1
88fivepointoh Registered Member Join Date: Aug 2002 Location: Rochester Posts: 553	JET POWERTECH CHIP good or bad? I just ordered a new Jet Powertech Performance Chip from summit racing for my mustang to hopefully maybe solve my lean fuel issues. The one i ordered is the one that plugs in between my ecu and my harness.. Has anyone used these and what kind of experience has everyone had? I am hopeing that it will send my injectors some additional fuel to richen up my mixture and maybe even out my idle..

05-08-2003, 11:53 AM	#2
Murdock Registered Member Join Date: Dec 2002 Location: Columbus, OH Posts: 100	Never really had any personal experience with the JET chips. There must be something to them since Summit and JEG'S carry them. Please PM me with your findings on these chip as far as any drivability issues and power increases. Did JET require you to change to a lower temp thermostat? I know Hypertech does that sometimes. __________________ LARZRACECARS larzracecars.com

05-09-2003, 09:20 PM	#3
billheis Registered Member Join Date: May 2001 Location: Fernandina Beach, FL 32034 Posts: 178	I don't have experience with Jet either, but I have Hypertech in my 90. The good; mid range part throttle pick up great. The bad; had to put timing back to 10 (full throttle dropped off), idle got very rich, and got part throttle cruise lean surge. However that was with stock mass air meter (yours being an 88 you don't have to worry about that unless you converted) just put Granatelli (Pro M) meter and idle leaned out and surge just about gone. I'm planning to go to strip and test with and without chip. Now that I have have this I've heard very good things about Superchips. They ask what mods you have before they send it. __________________ Bill Heiser 90 Convertable 5.0 LX, ported E7s w/ THumper valve job, TFS street, FR 65mm TB, B cam w/1.7 cobra rockers, kirban AFPR, Mac CAI, Mac Headers, off road h, 3 chamber flows, Crane ign. box, 3:73s, Art Carr AOD & 2600 converter

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05-09-2003, 09:41 PM	#4
88fivepointoh Registered Member Join Date: Aug 2002 Location: Rochester Posts: 553	well I am putting it in on sunday and yes I did convert to mass air but like you said i have the 75mm Pro-m and 24 lbs injectors and the whole nine.. so I think the chip should compliment my modifications especially the f-cam! i'll let everyone know on monday.. however I am experienceing a crappy idle.. it missfires badly.. seems like someone just shut the key off and then switches it on and off while its running.. its started doing this bad last nite.. i am getting really pissed.. I think its a wiring issue when I converted.. i will check them all when i Install the chip. keep ya posted guys!

05-11-2003, 01:31 PM	#5
88fivepointoh Registered Member Join Date: Aug 2002 Location: Rochester Posts: 553	Well I installed my Chip today and to my suprise what a difference.. 1st gear is extremely hard to keep the wheels on the ground and that is with stock gears. it seems to have alot more pull. So far I am pleased with what i see.. once the roads dry up I will get back out there and test it out!