I'm thinking about ordering a EFI setup for my 86 GW( from custom efis).Has anyone install one of these on a Grand Wagoneer?
360 Fuel Injection
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I have one on my 360 and love it. Some people complain about waiting a month or so for delivery, but it's worth it. Mine was easy to install and easy to setup. Mine starts and runs better than my 96 car. Throttle response is just plain stupid. You just think about stepping on the pedal, and it reacts! It's real nice. DennisStarting to miss the addiction!
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I have one on an 88GW and am very happy with it. I kept as much of the emissions systems in tact as possible and went with the egr/knock sensor and later model ecm ('95). I wrote a detailed message on this in the General Discussion forum in the April '03 timeframe.
Significantly improves driveability (cold/hot starts, smooth throttle response), bumps mph a bit (15/13 for me vice the 13/11 with the 2bbl setup), and it really makes the engine hum on the highway (similar to a well tuned 4 bbl, but smoother).
You also no longer have the Jeep Duraspark ingition module blues.88GW w/GM TBI from customefis
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I have one and unfortunately, have not had the same luck as most others. John has been sterling about trying to work out the problems, but I've had it for two years now and have only driven about 5k miles since because of drivability issues. We've tried HUNDREDS of programs, changed out the TBI, fuel pump, ignition module, etc.
Problem appears to be that I installed it on a HIGHLY modified 360 and it seems that the setup he sells works best on bone stock (or close thereto).
The throttle response from idle or stopped is crap. Takes a LONG time to get up and going.
Anyway, just another opinion, most have had good luck. I may take mine off and sell it so watch the for sale forum.
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I think the site is www.CustomEFIS.com4" lift, 15X8 rims w/32" MTRs, TFI, and Magnaflow exhaust.
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Anyone has the port efi that he sells? I'm interested in that one.79 Cherokee Chief 401/T18/D20, MPFI fuel injection, hydroboost, otherwise stock.
Future mods: Caddy 500/NV4500/NP205, HP D60 front D60 smooth botom rear, 5.13 gears, 35x12.50's on H1 beadlock wheels. Warn M12000 winch.
93 Wrangler 4.6 stroker/AX15/NP231,SYE,CV, OME 2.5 lift, front hub conversion/big brakes, 31X10.50's Warn M10000 winch.
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I just put mine on my 91' Grand Wagoneer in july of this year. I am really pleased with the throttle response and the fuel mileage. Everything was simple to install, it took me about 3 hrs. to get everything installed.
I was also interested in the port injection, but John told me that the port injection was for more performance rather than for fuel mileage. For what I was wanting (better fuel economy, and easier starts.) the throttle body was all I needed.91\' Grand Wagoneer<br /><br />TBI system installed and runs great<br />TFI upgrade<br />BJ\'s 4\" spring lift<br />Yokohama Geolander AT+II 31x10.50 <br /><br />.........Future Projects......<br /><br />Paint job.<br /><br />Fix all leaks.....probably a lifetime chore........
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