hypertech + grantelli mafs = bad combo?
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TECH Enthusiast
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From: near rockford
hypertech + grantelli mafs = bad combo? Hey guys im new to the whole tuning area and was wondering if my hypertech and grantelli mass airflow sensor is a bad combo for the car? I bought the car with both those things on it and Ive been thinking about returning the car back to origional and getting rid of the hypertech what do you guys think I know this is prob a really stupid thread but im curious now since someone in another forum mentioned it to me let me know guys if you can
thank you
quad
thank you
quad
TECH Senior Member
Joined: Dec 2001
Posts: 5,399
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From: Jacksonville, FL
What tuning is in the car now? Maybe the HPP3 is only being used for shift firmness/points, etc. for the TC or something? Been a long time since I used one but thinking their performance tune assumes the car has a stock MAF. Stock tune should be stored...guess you could try reinstalling it and see what happens.
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TECH Enthusiast
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From: near rockford
hey ya its the hpp3 and some guy said "For good reason too, especially with the Hypertech "tune" that you have running there. Both of those lean out the A/F and I bet a tuner would agree that you should ditch both of them."
thats what he said and it kinda puzzled me since hpp3 only does like shift points and the top speed limited and simple things so i was asking sicne it sounds like I have a bad combo
well thanks for the respone man
quad
thats what he said and it kinda puzzled me since hpp3 only does like shift points and the top speed limited and simple things so i was asking sicne it sounds like I have a bad combo
well thanks for the respone man
quad
It's been awhile since I've used one, but there is a "power programing" tune that a Hypertech can upload. I believe it primarily advances the car's timing. When I first got my car I tried it and it caused to my engine to knock. Not a big fan...
Thread Starter
TECH Enthusiast
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From: near rockford
Hey thanks for the response i wish i had the damn stock mafs but i dont ill have to try and get a hold of one i guess ill start searching the parts for sale board
thanks for the responses guys i appreciate it
quad
thanks for the responses guys i appreciate it
quad
Keep the hypercrap for the tranny, fans: Until you get more significant mods~headers, cam then go for a real tune with a wideband. Just be sure to make sure the tuner is aware of the Gran Maf, if he/she is knowledgeable he/she will know what to do with it. Don't run Hypercrap's Power tune with the Gran MAF= too lean indeed.
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Originally Posted by quadd2244
Hey thanks for the response i wish i had the damn stock mafs but i dont ill have to try and get a hold of one i guess ill start searching the parts for sale board
thanks for the responses guys i appreciate it
quad
thanks for the responses guys i appreciate it
quad
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