I have an 86 gt with a comp cams 260h cam, 1.52.1 roller rockers, and ported exhaust manifolds. I was concidering also replacing my prom chip and was wondering if anyone had any good imput on witch it better. Jet or Hypertech? also what combo would work best.

Thanks ahead of time!

ill trade you. i have a hypertech thermomaster and i want a stock one. i also have another one not sure of the brand but it was better than the hypertech. pm me if you want to trade.

quote Originally posted by cyphersync: I have an 86 gt with a comp cams 260h cam, 1.52.1 roller rockers, and ported exhaust manifolds. I was concidering also replacing my prom chip and was wondering if anyone had any good imput on witch it better. Jet or Hypertech? also what combo would work best. Thanks ahead of time!

I have an 86GT (V6 4-speed) Hypertech chip here for sale. If interested, PM me for details / info. Selling at 40$ plus shipping.

for the most part - I would say stick with the stock chip
most chips do nothing but wreck your fuel milage
unless you have a blocked off EGR, and want to shut that off
also - there is www.gmtuners.com - who will make a custom chip, and at a very good price.

Talk to Ryan at Sinister Performance (gmtuners.com). He's the guy to go to.

http://www.gmtuners.com/eprom/index.htm

[This message has been edited by phonedawgz (edited 09-21-2010).]

quote Originally posted by Pyrthian: for the most part - I would say stick with the stock chip most chips do nothing but wreck your fuel milage unless you have a blocked off EGR, and want to shut that off also - there is www.gmtuners.com - who will make a custom chip, and at a very good price.

Ill agree, reprogramed chips do little if anything. I even went farther and got a Superchip Flashpaq ($450) that barely made any noticeable change in another car I had.

The stock chip is fine even with our intakes and headers, thus with your mods it should be good. BTW: the Hypertec chip leans out the A/F a little to compensate for the poor CFM of the stock intakes and will thus will only make mattters worse with your engine setup. This info is from first hand experience with a widebad read outs.

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trueleo.com
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Custom chips are just that, they're custom to your modifications and are the best way to go.

Aftermarket chips that are sold across the board for OBD-1 cars, like the Hypertech or ADS SuperChip... those are crap because they don't know what you've done to your car, and they do very little in terms of any real improvement in any area.

I had a custom chip burned a while back (forget whom with) for my 3.2 / H272 rebuild. I think I only paid $50 with shipping.

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Todd,
2008 Jeep Patriot Limited 4x2
2002 Ford Explorer Sport 2dr 4x2
2002 Ford Crown Victoria LX
1987 Pontiac Fiero SE / V6
1973 Volkswagen Type-2 Transporter