JMS chips are sweet
 

If anyone out there is thinking about getting a chip for their car (custom burned or not), they should get a JMS chip.

I was having lots of detonations and idle surge problems just a couple days ago. But now that I have installed the chip, my car has really come to life.

No detonation what so ever, no idle surge, runs cooler, revs a lot higher before shifting, shifts much harder, and the best thing is I can now roast the rear tires at a dead stop without having my foot on the brake.

I don't know if it would make as much of a difference if you had a stock car but mine was an extremely noticable difference.
Thanks a lot Johnson Motor Sports!!!

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TFS twisted wedge heads, TFS street intake, Lunati cam .500/.510 218/226, BBK FPR
BBK shorties, BBK 70mm tb, Pro-m 75mm, ASP pulleys, FMS 3:73, Transgo shiftkit
Flowmasters, Bassani x-pipe, K&N FIPK, FMS 1.6 roller rockers, 9mm wires,24lbs injectors,
190lph fuel pump, MSD cap and rotor, 18" wheels w/street tires

Hey get some track times, what were you running before? is it custom burned? oh, and is that cam you have made for nos?

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90 lx coupe: 5spd, 177k miles, steeda water pump pulley, Mac coldair fenderwell, Mac h-pipe, supercoil, ADS chip, 160 stat, aluminum D/S, Black magic fan, 3.27grs.
Best time: 13.9116(on 225/60/15 firehawks)
Best mph: 98.17
Best 60': 1.9607

next mods:4.10's, slicks.

I haven't been to the track yet. I plan on going soon. I didn't want to go until I got rid of the detonation because it was pretty embarrassing.

I'm not sure if the cam would work with nos. I know that it's rated at over 2500rpms and is pretty lopey. It actually sounds pretty mean and has gotten me lots of compliments on the sound. Are you thinking of getting one?

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TFS twisted wedge heads, TFS street intake, Lunati cam .500/.510 218/226, BBK FPR
BBK shorties, BBK 70mm tb, Pro-m 75mm, ASP pulleys, FMS 3:73, Transgo shiftkit
Flowmasters, Bassani x-pipe, K&N FIPK, FMS 1.6 roller rockers, 9mm wires,24lbs injectors,
190lph fuel pump, MSD cap and rotor, 18" wheels w/street tires, JMS custom chip. ETs soon to come...

Oh yeah,the chip is custom burned...which is why it works so well.

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TFS twisted wedge heads, TFS street intake, Lunati cam .500/.510 218/226, BBK FPR
BBK shorties, BBK 70mm tb, Pro-m 75mm, ASP pulleys, FMS 3:73, Transgo shiftkit
Flowmasters, Bassani x-pipe, K&N FIPK, FMS 1.6 roller rockers, 9mm wires,24lbs injectors,
190lph fuel pump, MSD cap and rotor, 18" wheels w/street tires, JMS custom chip. ETs soon to come...

I told you that it'd help moponys. Glad to hear it brought your Stang to life. I had the same problems, now it's runnin' like a f'n BEAST!

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'90 LX 5.0;12K original miles (no sh*&);3.55 gears; March pulleys;Edelbrock Performer Heads;BBK 1 5/8" equal length shorties;MSD 6AL ignition w/ blaster 2 coil;FMS E303 cam;Pro-M 75mm MAF;BBK 70mm TB; Eibach drag-launch spring kit;Southside welded subs;9" K&N cone filter charger;Hurst shifter;Cervini's 3" turbo hood;A/C delete; gutted cats;2 chamber Flomasters;Corbeau racing seats;FMS 30# injectors;JMS chip; Holley 190lb fp;TFS track heat Intake (12.299 @ 113 - 1.78 60')

Yes, i heard good things about them, a guy i met at the track had a 351 gt, with a killer sound coming from it, i asked what cam he was running, and he said it was a lunati n20 cam, and i believe he was running low 12's.

Also i think that cam would fit without flycutting correct?

Yes bada$$lx, you were definately right. Thanks for the recommendation and that's why I'm passing on the info to anyone else that has the same idle,detonation problems.

I didn't have to do any fly cutting with my cam...I think the pistons I have are flat on the top and work with both that cam and TFS heads. Actually if you go to the Holley website, you can send them an email asking if any Lunati cam would work with your setup.

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TFS twisted wedge heads, TFS street intake, Lunati cam .500/.510 218/226, BBK FPR
BBK shorties, BBK 70mm tb, Pro-m 75mm, ASP pulleys, FMS 3:73, Transgo shiftkit
Flowmasters, Bassani x-pipe, K&N FIPK, FMS 1.6 roller rockers, 9mm wires,24lbs injectors,
190lph fuel pump, MSD cap and rotor, 18" wheels w/street tires, JMS custom chip. ETs soon to come...