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Thread: True duals and stock lt1
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02-01-2014, 04:28 PM #11
I've ran true duals in 4-5 different ways on LT1 cars. I don't think it's worth getting hung up on crossovers or not, where they should go, or anything else like that. My fastest car has duals with no crossover, so did the Corvette. I ran a Summit 3" xpipe kit on my beater car, it's a cheap way to get a free flowing exhaust. It liked it factory, bolt on, cammed and then heads/cam.
1994 Z28 383ci - Jake's 4L80 - Moser 9" [LE2 heads and LE cam - 121mph @5500DA]
1995 Corvette 350ci - ZF6 - Dana 44 [GTP heads - XE503 - RamHD]
1997 Ram 2500 - tractor motor - duel spinners - chimnie mod
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02-01-2014, 09:55 PM #12
You will have the loudest 13-14 second car at the track, be right up there with fart can'd honduhs.
Correlation does not imply causation.
Una salus victis nullam sperare salutem
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02-01-2014, 10:00 PM #13Overworked/Underpaid
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For your car, bud, I would stick with a Y pipe and catback for cruising and put in an electric cutout or two for when you wanna be loud and obnoxious. That way you have a loud/quiet switch. All loud all the time in a daily driver will eventually get old.
Sent from my SAMSUNG-SGH-I337 using Xparent Red Tapatalk 296 Trans Am WS6 LT1 M6: 10/7/11 - current: 245.7 RWHP / 266.2 RWTQ - 14.462s @ 98.28 MPH
94 Corvette LT1 A4: 4/12/13 - current: No dyno #s yet - 9.547s @ 75.11 MPH (1/8 mile)
92 Lumina Euro 3.4L LQ1 A4: 1/15/06 - current: The beater car that refuses to die...
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02-02-2014, 01:13 AM #14
Is it really that loud? I think how loud it gets should depend mostly on what mufflers I use right? I would bet anything that even if you have a true dual setup you can still shut up any car by running silencers, not saying I want a quiet car, just wondering why you guys say that it will be super loud just because it is a dual setup..
96 Formula (LT1/4L60e: LTs, CAI, 3.42 gears, 160 stat, cat delete, poly mounts and 2800 stall..)
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02-02-2014, 01:28 AM #15
96 Formula (LT1/4L60e: LTs, CAI, 3.42 gears, 160 stat, cat delete, poly mounts and 2800 stall..)
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02-02-2014, 01:29 AM #16Overworked/Underpaid
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Well, are you retaining cats and putting mufflers on both sides (that aren't bullets)? Cats do quite a bit to quiet down the exhaust, and then the muffler adds another level of noise reduction to boot. I suppose you could get a true dual setup decently quiet-ish.
Sent from my SAMSUNG-SGH-I337 using Xparent Red Tapatalk 2Last edited by Blackbird96WS6; 02-02-2014 at 01:31 AM.
96 Trans Am WS6 LT1 M6: 10/7/11 - current: 245.7 RWHP / 266.2 RWTQ - 14.462s @ 98.28 MPH
94 Corvette LT1 A4: 4/12/13 - current: No dyno #s yet - 9.547s @ 75.11 MPH (1/8 mile)
92 Lumina Euro 3.4L LQ1 A4: 1/15/06 - current: The beater car that refuses to die...
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02-02-2014, 01:31 AM #17
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02-02-2014, 07:36 AM #18Xtreme Member
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Supporting Memberits gonna suck trying to fit two regular muff's under one of these cars, bullets are a pita enough. good luck either way. we had a 2.5" true dual w/ x-pipe on the heads/cam car with two pypes race pro mufflers dumped, ground clearance was next to gone and the car is stock height, they smacked everything, honestly it made the car feel like crap for whatever reason. if you could get dual pipes tucked and run all the way back and then get regular muffs tucked, it would work better
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1994 Firebird Formula 381 stroker - Carrying the torch! - 9.90 @ 134.3mph on a 200 shot
The wrench/driver for LTConvert's 94 Z28- Ellwein 383/LE Trickflows/ D1SC / CPT Ultra Pro Race 4L60E
10.78 @ 125mph. Shooting for 9.99 for Frank Cahall!
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02-02-2014, 07:52 AM #19LTXTech Sponsor
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Supporting MemberI will try to find the video of my set up. I have mine true dual up to the muffler which is a two in two out magnaflow. When I had the motor stock it sounded good and wasnt obnoxiously loud
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02-02-2014, 07:55 AM #20LTXTech Sponsor
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Supporting MemberView My Video
thats from when the motor was stock, just CAI, Longtubes and the exhaust set up
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