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Thread: Whats the gain?
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02-03-2009, 10:03 PM #1
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Red- 1998 Trans Am WS7
Whats the gain?
Ive got a 98 t/a with LTs, ORY, SLP cat back, lid, bellows, filter, hypertech tuner, 3.73, MSD wires, hot plugs.
I've got a 85mm SLP MAF and 85mm TB and LS6 intake. Is the gain that much and will i need to tune it over the hyprtech hand held ive got on it now? Free mods arent done and egr is still on it. Comments and advice please.R/A Hood, SPL lid, SLP Bellows, OBX Headers w/ Off road Y pipe, SLP Loud Mouth II, HyperTech Tune, MSD Wires, 3.73 10 bolt, Brembo Rotors, Eibach Sportlines, Bilsteen HD Shocks, 35mm fr 25mm r sway bar.
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02-03-2009, 10:07 PM #2
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79 T/A -91 Firebird- 1998 Trans Am -Oynx Black
Well, I would like to say I would throw the stock maf back on it or go to a good tuner with some time to get the tune right. Handhelds are about worthless IMO.
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02-03-2009, 10:22 PM #3
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02-03-2009, 10:26 PM #4
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79 T/A -91 Firebird- 1998 Trans Am -Oynx Black
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02-03-2009, 10:28 PM #5
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Red- 1998 Trans Am WS7
just to be clear are we refering to the MAF as the mass air flow meter or the tune by the hand held?
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02-03-2009, 10:28 PM #6
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Pewter metallic- 2000 Camaro SS
Removing the hypertech tuning will increase your HP about 10. Adding the LS6 intake will add an additional ten HP. The 85mm stuff won't really benefit you. I am not joking about the hyperech tuning being junk either.
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02-03-2009, 10:32 PM #7
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02-03-2009, 10:34 PM #8
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79 T/A -91 Firebird- 1998 Trans Am -Oynx Black
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02-03-2009, 10:37 PM #9
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02-03-2009, 10:39 PM #10
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Red- 1998 Trans Am WS7
are the HP rates you guys are posting, estimated at the crank or wheels
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02-03-2009, 10:40 PM #11
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Pewter metallic- 2000 Camaro SS
On my previous SSvert when I was just getting into LS1's and didn't know any better, hypertech was my 2nd mod after a lid. I took it to the dyno and dynoed HIGHER without the hypertech tuning. Hypertech is a waste of money. It doesn't adjust your a/f ratio, timing, or anything else that a real tuner will do to optimize your HP. Hypertech is good for a few things, but nothing that will optimize your HP.
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02-03-2009, 10:40 PM #12
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02-03-2009, 10:41 PM #13
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02-03-2009, 10:42 PM #14
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02-03-2009, 10:47 PM #15
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02-04-2009, 03:18 AM #16
more bad news for you. an aftermarket MAF will flow more bacause its bigger, but lots of them are less accurate than stock and require tuning....they can dangerously lean your motor out if not tuned right.
but to make you feel better, I have an 85mm SLP MAF and a Superchips handheld tuner sitting on the shelf in my garage too.
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02-04-2009, 06:07 PM #17
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02-04-2009, 06:11 PM #18
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Red Tint Jewelcoat- 2008 Trailblazer SS
The HyperTech tune will show gains on a dynojet dyno.
Will show a LOSS at the track though.
They add timing and lean you out a touch. This 'adds' power but will risk your motor as well. NOT a safe tune. Get that HyperCrap/Diablo/Handheld tune off the car ASAP!!!!!!
Don't use the SLP MAF either. Regardless of what tune you are running.2008 Trailblazer SS
Yank PTB3600, Kooks 1 7/8" LT's, 4" intake, E-fans, Magnaflow, Sonnax kit, tranny cooler, tune.
Lowered, HID's, tinted.
1999 Pontiac Trans Am WS.6 #1747 SOLD
531.1 RWHP 481.3 FT/Pounds all motor.
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02-04-2009, 06:14 PM #19
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02-04-2009, 08:46 PM #20
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