LT1-LT4 Modifications 1993-97 Gen II Small Block V8

No More HyperTech!!!

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Old 02-05-2008, 09:59 PM
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Exclamation No More HyperTech!!!

Well I ran the car tonight without the HyperTech programming for the first time ever. I'm not sure if it performs any different but it sure as hell lets the cam be heard. It sounds like its eating babies with the cutout open, I love it. I don't know why the tune would make that much difference though...

-Rick
Old 02-05-2008, 10:29 PM
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dude hypertech is the biggest load of crap(sorry) i was at the track one day when i first got my car and a 98z28 was running a 14.1 to my 14.15. he had 275/40/17s to my really dry offbrand 245s. after three runs he removed the tune from the programmer and ran a 13.6! what a ls1 should in stock form!
Old 02-05-2008, 10:40 PM
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Those used to be the **** back in the late 90s, now their a joke.
Old 02-05-2008, 11:43 PM
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hypertech = junk

Still surprised how many people don't know this.
Old 02-05-2008, 11:50 PM
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i almost bought one glad i didnt
Old 02-06-2008, 12:10 PM
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Well when we built the car in 02' the guys from Lonestar Performance here in Tyler said it was the **** and would fix any problem the car might have with the cam. We loaded it and kept it in thinking it would run like shiznit without it. I'm gonna check gas mileage without it this weekend and see if there is a difference. With it I got 24 on the highway, I'll see what it does without it.

-Rick
Old 02-06-2008, 02:31 PM
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Were the guys at Lonestar Performance a vendor for Hypertech, or did they recommend it out of the goodness of their heart?
Old 02-06-2008, 02:34 PM
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Probably a vendor or something, the whole car we built through them.

-Rick
Old 02-06-2008, 03:51 PM
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Back when she was still a bolt on daily driver, I bought the Hypertech Programmer basically for recalibrating the speedo due to a gear swap and also to play around w/ the shift points. You can also raise the rev limiter w/it. It worked out good for me.
Old 02-06-2008, 04:25 PM
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You won't believe how many pcm's I've seen hypertech lock up while programming, even worse Edge...
Old 02-06-2008, 08:00 PM
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I change shift points and junk all the time and no problems yet. I use it for a lot of stuff.

-Rick

Just not the tune anymore.
Old 02-06-2008, 09:15 PM
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Originally Posted by BOLO
Back when she was still a bolt on daily driver, I bought the Hypertech Programmer basically for recalibrating the speedo due to a gear swap and also to play around w/ the shift points. You can also raise the rev limiter w/it. It worked out good for me.
I agree. I used mine lots for this. The tune sucked (I checked it at IRP) so I never used it after that. But the other functionality worked fine, and I never lost the PCM after a number of changes/writes. And it worked when I sold it to someone else, too (after taking it back to stock so I could upgrade to a real tuning package).
Old 02-06-2008, 09:33 PM
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igained 10hp on the dyno with mine it leaned it out a lot and i raised my top speed raised my rev limiter and shift points and fixed my speedo after gear swap so your car probably sounds more cammy at idle with out the tune because its running richer but you probably lost some power and gas milage.
Old 02-06-2008, 09:57 PM
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Yeah I'm thinking it may have hurt my mileage a little, cant really tell too much in town but it seems to be sucking it down harder than usual. When I'm reving it, it's not quite as responsive as it was with the tune, but still damn touchy. But it revs so damn quick its hard to tell.

-Rick

Yeah, I'm thinking it smells a tit rich.
Old 02-06-2008, 10:14 PM
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Originally Posted by RickyMartinZ28
Yeah I'm thinking it may have hurt my mileage a little, cant really tell too much in town but it seems to be sucking it down harder than usual. When I'm reving it, it's not quite as responsive as it was with the tune, but still damn touchy. But it revs so damn quick its hard to tell.

-Rick

Yeah, I'm thinking it smells a tit rich.
i took mine out for a week and the gas mileage sucked and icould smell the fuel odor .what cam do you have?
Old 02-06-2008, 10:18 PM
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Its a cam we had custom ground from CompCams... I'm not sure of the duration, like 224 or something if I remember, its been like 5 years, and the lift was .560 intake and .572 ex I think... Its nothing crazy, but has a nice chop to it.
Old 02-06-2008, 10:18 PM
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we had a hell of a time finding the right springs though, good god.

looks like compcams would be use to that kinda thing

-Rick
Old 02-06-2008, 10:19 PM
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Just get a real tuneup dude. Even a mail order one at least.
Old 02-06-2008, 10:28 PM
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I always hear **** about the mailorder ones, and I really can't afford to just go down and drop $500 on a tune... It runs fine the way it is, gets good mileage, and gets me to school.

-Rick
Old 02-06-2008, 11:00 PM
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i would just keep the tune you have it works for me and you wouldnt get much more if any with a real tune and definetly not enough to be worth 500dollars


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