single to duels performance gain
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Joined: Mar 2003
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From: corsicana tx
Car: 89 camaro
Engine: 383
Transmission: 350 tci 3000 stall
Axle/Gears: 3.73
single to duels performance gain
to the people with duels was it worth it. i know you got to have a good motor before you can tell. and if yes how much. befor and after et's would be nice thanks
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Joined: Jul 2001
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From: New Palestine, IN (Just East of Indy)
Car: '85 Z28
Engine: 305
Transmission: WC T5, 3.23 posi
Is it worth it? Yes, even if you don't have a built motor it's worth it. I noticed a huge gain when I went from the stock exhaust on my LG4 to a true dual setup. I don't have numbers since I haven't dragged it yet (not enough time to make it up to IRP) but it was a large SOTP difference. Some people don't feel that the loss of clearance isn't worth it, but if it is run correctly you will have plenty of ground clearance and will only have to be careful on large speed bumps and big hills on country rods when you're going way to fast (been there, done that). I'd say go for it.
If you are going from stock that duals then yes, but it's definitely not worth it if you already have a good flowing single pipe exhaust. You lose tons of ground clearance, etc. Way too many problems. I would suggest going with a nice set of headers and high flow y pipe with a 3 inch single pipe and catback. You will get very similar performance without all the hassles.
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Joined: Mar 2003
Posts: 185
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From: corsicana tx
Car: 89 camaro
Engine: 383
Transmission: 350 tci 3000 stall
Axle/Gears: 3.73
i have a dyno max super turbo 2 1/2 catback. hooker 2055 headers and y pipe. my motor is a 358 with dart pro 1s compcam airgap intake . with that kinda motor i know i need bigger ehaust right?
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Joined: Jul 2001
Posts: 1,766
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From: New Palestine, IN (Just East of Indy)
Car: '85 Z28
Engine: 305
Transmission: WC T5, 3.23 posi
With your setup (2055's w/ y-pipe) I wouldn't do duals. It's hard to do them on shorty's, now longtubes, that's a different story. For your application I would say a good 3" catback system should work well. Hooker sells a good one for around $200.
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Joined: Sep 2000
Posts: 6,775
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From: So.west IN
Car: 87 Formula/ 00 Xtreme
Engine: TPI 305/ v6
Transmission: struggling t-5/ 4l60E
Axle/Gears: 3.08/ 3.23
Hooker shorties, full 2½" duals, near or better than stock ground clearance.. http://www.deadbird.org/a/duals.htm
Worth doing if you can DIY ? I suppose if you like doing that crap.
Worth having someone make ? Unless power justifies it (i.e. willie), doubtful.
Better than a good 3" ? Who knows, I've yet to see any comparison tests. I'd guess it's minimal, if any, gains though.
Better sound than single ? Definatly.
But, as my sig says...
Worth doing if you can DIY ? I suppose if you like doing that crap.
Worth having someone make ? Unless power justifies it (i.e. willie), doubtful.
Better than a good 3" ? Who knows, I've yet to see any comparison tests. I'd guess it's minimal, if any, gains though.
Better sound than single ? Definatly.
But, as my sig says...
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Joined: Mar 2001
Posts: 3,245
Likes: 1
From: Medford, Oregon
Car: 1989 Iroc Z L98
I went from single 3" with a 3" bullet to dual 2 1/2" with an x pipe and 2 2 1/2" bullets, the sound is way better and there was a definate performance gain.
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Joined: Aug 2001
Posts: 260
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From: Illinois
Car: 82 Pace car
Engine: Small block
Transmission: TH350
I have NO flow problems??
Long tube into a 3 inch Y pipe into a 4 inch single pipe that goes over the axle into a 4 inch Flowmaster Race Muffler and out a 4 inch tail pipe. No clearance issues at all and I guarentee you've never heard anything like it.
Long tube into a 3 inch Y pipe into a 4 inch single pipe that goes over the axle into a 4 inch Flowmaster Race Muffler and out a 4 inch tail pipe. No clearance issues at all and I guarentee you've never heard anything like it.
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From: Evansville,IN,USA
Car: 89' T/A, 00' Firehawk
Engine: 406 Roller
Transmission: TH700R4 w/2800 stall
Axle/Gears: 3.23 Posi
Originally posted by D M N
deadbird thats a sick setup
deadbird thats a sick setup
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Joined: Sep 2000
Posts: 6,775
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From: So.west IN
Car: 87 Formula/ 00 Xtreme
Engine: TPI 305/ v6
Transmission: struggling t-5/ 4l60E
Axle/Gears: 3.08/ 3.23
Thanks D M N & LilJay. One day I'll get around to making a new dual in-out muffler and redoing the rear section. I like the currnet sound but, the bass tone at low rpms is a little too irritating to me. I want to bring the tone up a little and the loudness down just a little more.
LilJay.. As a matter of fact I do, I live in Evv as well. How's the 4thgen wing ? I'm working on mine slowly here
LilJay.. As a matter of fact I do, I live in Evv as well. How's the 4thgen wing ? I'm working on mine slowly here
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iTrader: (5)
Joined: Jan 2001
Posts: 2,025
Likes: 1
From: Evansville,IN,USA
Car: 89' T/A, 00' Firehawk
Engine: 406 Roller
Transmission: TH700R4 w/2800 stall
Axle/Gears: 3.23 Posi
Originally posted by deadbird
Thanks D M N & LilJay. One day I'll get around to making a new dual in-out muffler and redoing the rear section. I like the currnet sound but, the bass tone at low rpms is a little too irritating to me. I want to bring the tone up a little and the loudness down just a little more.
LilJay.. As a matter of fact I do, I live in Evv as well. How's the 4thgen wing ? I'm working on mine slowly here
Thanks D M N & LilJay. One day I'll get around to making a new dual in-out muffler and redoing the rear section. I like the currnet sound but, the bass tone at low rpms is a little too irritating to me. I want to bring the tone up a little and the loudness down just a little more.
LilJay.. As a matter of fact I do, I live in Evv as well. How's the 4thgen wing ? I'm working on mine slowly here
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