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pics of my duel 3"

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Old May 3, 2003 | 03:26 PM
  #1  
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From: idaho falls id.
Car: 82 Z-28
Engine: 408
Transmission: TH-400
Axle/Gears: 4.11
pics of my duel 3"

finally took some pics. Hooker long tubes , duel 3" pipes , and duel 3"in/out Spintech's with a 3" case hight. and it does sound GOOD behind a 314 duration .600 lift hyd. roller cam. and no i don't have a way to provide a sound clip , but it is a deep rumble with a very throaty sound at 4000 rpm when the cam comes on . the frame is notched up to provide a way to route the pipes and still have ground clearance.

mike
Attached Thumbnails pics of my duel 3"-mvc-007s.jpg  
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Old May 3, 2003 | 03:27 PM
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From: idaho falls id.
Car: 82 Z-28
Engine: 408
Transmission: TH-400
Axle/Gears: 4.11
the frame notch
Attached Thumbnails pics of my duel 3"-mvc-002s.jpg  
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Old May 3, 2003 | 03:36 PM
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From: idaho falls id.
Car: 82 Z-28
Engine: 408
Transmission: TH-400
Axle/Gears: 4.11
here's a lousy shot of the car but it shows the ground clearance even with 2" drop spindles and rear springs
Attached Thumbnails pics of my duel 3"-mvc-013s.jpg  
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Old May 3, 2003 | 04:09 PM
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Car: 83 Camaro
Engine: 350
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looks awesome man.....what coating is on the pipes....jus black hightemp paint
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Old May 3, 2003 | 04:51 PM
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Car: 88camaro
Engine: 355
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was your car originally a v6 or 8?
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Old May 3, 2003 | 05:40 PM
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Just out of Curiosity why did you run the Fuel lines on the Passenger Side?
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Old May 3, 2003 | 08:15 PM
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Car: 1991 Corvette Coupe
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Transmission: 700R4/4L60 same trans different name
nice, very similar to my setup
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Old May 3, 2003 | 08:30 PM
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From: idaho falls id.
Car: 82 Z-28
Engine: 408
Transmission: TH-400
Axle/Gears: 4.11
high temp paint the ex. shop did when they did the ex. . the 2 fuel lines are 1/2" and a 6an NOS hose ,seemed the easyist route and away from the exhaust . it is a original Z-28 so i assume it come with a 305
mike
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Old May 3, 2003 | 09:04 PM
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Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
Looks great, sounds like a killer setup.
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Old May 3, 2003 | 09:12 PM
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From: B'ville, WV
Car: 2002 Formula Firebird
Engine: LS1
Transmission: 4l60e
Axle/Gears: 3.23
What mufflers are those? Your duals turned out way better than mine. Ive had my duals for 5 months or so and the mufflers are beat all to hell. It finally happened tonight. I completly ripped a muffler and most of the pipe off :sillylol:

I rolled over a manhole cover on a little hill and BAAAAAAMMMM. Then I noticed the sound of straight pipes and started laughing my *** off. In an ironic way its funny.

I have a 3'' hooker catback sitting in my room so thats going on when I order some hooker 2055s monday.

I wouldnt recommend duals to anyone. Yours turned out real well tho. I didnt have close to that kinda clearance.

BTW I like the car. I have an 88 two tone red/silver with the same rims and tires

Last edited by 88Camaro350; May 3, 2003 at 09:14 PM.
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Old May 3, 2003 | 09:15 PM
  #11  
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Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
He said they were Spintech's dumbass. *** you WV people are dumb you sound like this other idiot 305tbicamaro ... from this site

j/k btw
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Old May 3, 2003 | 09:17 PM
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From: B'ville, WV
Car: 2002 Formula Firebird
Engine: LS1
Transmission: 4l60e
Axle/Gears: 3.23
That is me if your aren't kidding. I cant post on my old name for some reason or another.

What kinda spintechs? Part #s would be nice. I had 2 flowmaster street mufflers on mine. I know have 1

LOL im still cracking up.
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Old May 3, 2003 | 09:55 PM
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From: CC, TX
Car: 1999 Yamaha Banshee
Engine: 379cc twin cyl 2-stroke stroker
Transmission: 6 spd manual
Axle/Gears: 14/41 tooth
Looks bad ***.
:hail:
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Old May 3, 2003 | 10:30 PM
  #14  
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From: New Palestine, IN (Just East of Indy)
Car: '85 Z28
Engine: 305
Transmission: WC T5, 3.23 posi
Nice setup, I might look into notching the frame when I replace my shorty duals to longtube duals.
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Old May 4, 2003 | 08:28 AM
  #15  
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From: B'ville, WV
Car: 2002 Formula Firebird
Engine: LS1
Transmission: 4l60e
Axle/Gears: 3.23
Is notching the frame a good idea? Our cars are pretty flimsy under there as is.
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Old May 4, 2003 | 11:55 AM
  #16  
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From: ny-lindy
Car: 1989 Iroc z hardtop
Engine: peanut LB9
Transmission: slopomatic TH700R4
88camaro, i know spintech makes a muffler that is the slimest of them all i think its like 2.5" and thats it. so to there web site and look at them if u want.
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Old May 4, 2003 | 01:06 PM
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Car: 1991 Camaro RS
Engine: 305 TBI
Transmission: 700R4
looks to me like he had made supports in the frame so i wouldnt worry about it
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Old May 4, 2003 | 03:36 PM
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From: Costal Alabama
Car: 1989 Iroc-Z
Engine: 350, ZZ4 equivalent
Transmission: Pro-Built Road Race 700R4
Axle/Gears: 3.23 Dana 44
can you give more information on notching the frame. Like what you used and how you reinforced it
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Old May 4, 2003 | 06:22 PM
  #19  
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From: idaho falls id.
Car: 82 Z-28
Engine: 408
Transmission: TH-400
Axle/Gears: 4.11
where the frame is notched , the hole is welded up with 1/8" plate . it is stronger than what was cut out . so i wasn't to worried . you can see it in the second pic.

mike
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Old May 4, 2003 | 07:21 PM
  #20  
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From: Costal Alabama
Car: 1989 Iroc-Z
Engine: 350, ZZ4 equivalent
Transmission: Pro-Built Road Race 700R4
Axle/Gears: 3.23 Dana 44
I have heard people say that running true dual with no H or X pipe sounds like a 4 cylinder because you are only running 4 cylinders on each pipe is this true?
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Old May 4, 2003 | 08:23 PM
  #21  
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From: north plainfield, nj
Car: 05' GTO
Engine: 6.0L
Transmission: A4
on my friends 1970 chevelle with a 350 and true dual exuast with flowmaster 30 series with dumps he just put on the car. when he revs it, it sounds like an LS1 almost with the kinda exuast note it has. sounds good.
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Old May 4, 2003 | 08:58 PM
  #22  
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If you dont mind me asking, how much did that cost you to have done, I am currently looking for a place in my area to do it but I want to know if their prices are too high or not, part number for the mufflers would be great also.
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Old May 4, 2003 | 10:22 PM
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Car: Guess
Engine: Crazy 8
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Looks awesome.

I am planning on doing the exact same thing. Even the notch because I have the Spohn TQ arm. I am currently running a 3 in Y pipe under the crossmember and I have about 2 in of ground clearance at stock ride height. Yeah, I scrape on everything. I have a 4 in Spintech so I can imagine what yours sounds like.

Congradulations...
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Old May 4, 2003 | 11:32 PM
  #24  
automec's Avatar
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From: idaho falls id.
Car: 82 Z-28
Engine: 408
Transmission: TH-400
Axle/Gears: 4.11
i dont have the part # but i'll get it tomarrow . it cost me $440.00 but it should have been around $600.00 (helps when you own your own shop and have delt with them for years and years)

mike
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Old May 4, 2003 | 11:34 PM
  #25  
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Whoever told you the deal with the 4 cylinder sound is a R-E-T-A-R-D.

The sound is based on your head design. Cam, headers/mufflers modify the sound.
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Old May 5, 2003 | 07:19 PM
  #26  
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From: Clio, MI
Car: 1991 Camaro RS
Engine: 305 TBI
Transmission: 700R4
Originally posted by Dan88IrocZ
Whoever told you the deal with the 4 cylinder sound is a R-E-T-A-R-D.
I second that
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Old May 5, 2003 | 09:30 PM
  #27  
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From: Jacksonville, NC
Car: Guess
Engine: Crazy 8
Transmission: So close to being a manual I can taste it
Anyone ever notice that the pitch of engines gets deeper as displacement increases. To me it is very noticable. Just a thought because of some one who mentioned that a dual exhaust with no crossover would sound like a 4 cylinder. Yeah, what ever...
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Old May 6, 2003 | 03:46 AM
  #28  
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From: Charleston, SC
Car: 1988 Pontiac Firebird, flat black
Engine: Stock 305 LO3
Transmission: Five speed
That looks sweet. I like the setup, how does it sound? Does nopt having the tailpipes on those mufflers make a difference? Good/bad?
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Old May 8, 2003 | 12:20 AM
  #29  
automec's Avatar
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From: idaho falls id.
Car: 82 Z-28
Engine: 408
Transmission: TH-400
Axle/Gears: 4.11
the exhaust shop said that they are Spintech street muffler's part # 3225 but they are a special ordered with a 3"case hight .

mike
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Old May 8, 2003 | 08:09 AM
  #30  
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From: Upstate NY
Car: 87 IROC-Z
Engine: =350 sbc
Transmission: TH350
Axle/Gears: 3.73
Got a qusetion,With notching out the frame like you did is the frame still strong enough to hold a decent amount of horse power
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Old May 8, 2003 | 09:42 AM
  #31  
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From: Miami, FL
Car: '84 Z28
Engine: LT1
Originally posted by 89 Iroc Z
I have heard people say that running true dual with no H or X pipe sounds like a 4 cylinder because you are only running 4 cylinders on each pipe is this true?
this was true for the first Vipers that came out, since they had side pipes on each side of the car you would mostly hear 4 cylinders. i read this in a magazine somewhere. since camaros dont have side pipes and stuff it doesn't really matter.
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Old May 8, 2003 | 10:01 AM
  #32  
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From: Ontario
Car: 1991 Camaro RS
Engine: 406
Transmission: T-56
Axle/Gears: 3.42s
that's odd considering vipers are v10s and not v8's
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Old May 8, 2003 | 10:03 AM
  #33  
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From: Ontario
Car: 1991 Camaro RS
Engine: 406
Transmission: T-56
Axle/Gears: 3.42s
It's all about exhaust design and airflow... how fast and how much air flows. This as someone already stated is determined by displacement, head design and the camshaft.
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Old May 8, 2003 | 02:39 PM
  #34  
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From: Miami, FL
Car: '84 Z28
Engine: LT1
Originally posted by RegaPlanet
that's odd considering vipers are v10s and not v8's
yeah my bad. you'd only hear 5 cylinders, the 5 cylinders on that side of the car. it sounds retarded, allegedly, and i'd assume so since so many people bitched about it dodge added crossflow a year or 2 or 3 after the first vipers came out.
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Old May 8, 2003 | 06:15 PM
  #35  
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From: Jacksonville, NC
Car: Guess
Engine: Crazy 8
Transmission: So close to being a manual I can taste it
Originally posted by automec
the exhaust shop said that they are Spintech street muffler's part # 3225 but they are a special ordered with a 3"case hight .

mike
About how much ground clearance does your car have at the exhaust? More than 2-3"? You said it is dropped 2"up front and then whatever in the rear? From the pic it looks like there is a lot, compared to what I got...

Thanks in advance.
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Old May 15, 2003 | 11:40 PM
  #36  
automec's Avatar
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From: idaho falls id.
Car: 82 Z-28
Engine: 408
Transmission: TH-400
Axle/Gears: 4.11
ahhhhh finally back online no internet for a week s^cks !! i have 2 3/4 " clearance on the hooker long tubes and 3 1/4 " at the low point of the system

mike
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Old May 16, 2003 | 07:08 PM
  #37  
92 zzz28's Avatar
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From: Jacksonville, NC
Car: Guess
Engine: Crazy 8
Transmission: So close to being a manual I can taste it
Originally posted by automec
ahhhhh finally back online no internet for a week s^cks !! i have 2 3/4 " clearance on the hooker long tubes and 3 1/4 " at the low point of the system

mike
Damn, I only have about 2 inches and I am barely under stock ride height, weak front springs...

I need to do something different with my exhaust...
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Old May 18, 2003 | 06:27 PM
  #38  
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From: Pitman, NJ
Car: '89 IROC-Z
Engine: Canfield 195 headed 358ci
Transmission: TH350, Art Carr 9.5"
Axle/Gears: 3.92 Dana 44
Originally posted by docta doom
yeah my bad. you'd only hear 5 cylinders, the 5 cylinders on that side of the car. it sounds retarded, allegedly, and i'd assume so since so many people bitched about it dodge added crossflow a year or 2 or 3 after the first vipers came out.
Vipers sound like tractors because of the motor being an odd fire design. It has almost nothing to do with their exhaust system.
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Old May 19, 2003 | 05:53 AM
  #39  
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From: Louisville Kentucky U.S.A.
Car: 86 Iroc Z
Engine: 406
Transmission: 350 Turbo
Axle/Gears: 373
The Spintechs he is referring to are the same one's I have for sale. If anyone is interested in them e-mail me @ 1FastZ@bellsouth.net
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Old May 19, 2003 | 07:19 AM
  #40  
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From: Boosted Land
Car: 92 Z28
Engine: Boosted LSX
FYI.... If your worried about ground clearance you can always have spintech cut down the cases.

Im going with All Spintech Oval pipe into a x pipe and spintech muffs. I was wondering how to notch the frame for better clearance etc.. Great Pic's now to determin how I want to place the X-pipe. If I go out and notch the frame and back in for the X that alota dang oval pipe and its not cheap to get maderal bends in oval.

Mmmmm,
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Old May 19, 2003 | 04:27 PM
  #41  
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Originally posted by docta doom
yeah my bad. you'd only hear 5 cylinders, the 5 cylinders on that side of the car. it sounds retarded, allegedly, and i'd assume so since so many people bitched about it dodge added crossflow a year or 2 or 3 after the first vipers came out.
Actually, the only Viper's to receive any kind of crossflow exhaust equalization are the current 2003 SRT-10 cars. The gen1 cars built from 1992 until 1995 had side pipes which were later routed to exit out the back for 1996-2002 model years.

The exhaust note is indeed mostly the result of the V10's firing order.
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Old May 19, 2003 | 10:36 PM
  #42  
automec's Avatar
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From: idaho falls id.
Car: 82 Z-28
Engine: 408
Transmission: TH-400
Axle/Gears: 4.11
i really really wanted an x pipe but could not figure out where to fit it . if you do , i would like to see how
thanks

mike
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Old May 20, 2003 | 01:35 AM
  #43  
330hp_91RS's Avatar
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From: Kona, Hawaii / Redlands, CA
Car: 91' RS
Engine: Built 355
Transmission: Probuilt 700r4
WOW...

BTW man you have a really, beautiful, awesome car there. I don't say that a lot, I mean really. It's inspiration to turn my 84' from sleeper/beater to brake halting eye glaring!
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Old May 21, 2003 | 12:18 PM
  #44  
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From: Mass.
Car: Whatever I can get to start.
Engine: broke 305 H.O. (now a N.O.)
I doubt it. Half a 350 is bigger than a 151 and it idles a lot slower over those 4 cylinders. Plus he's got headers on there which give it a deeper grunt than a hack I would guess.
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Old May 23, 2003 | 01:17 AM
  #45  
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From: Salem, NH
Car: 1999 Z28
Engine: LS1
Transmission: 4L60E
Axle/Gears: 3.23 10 Bolt
the firing order plays a big part in the sound. for instance a 5.0L mustang vs 5.0L camaro. big big big sound difference.
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Old May 23, 2003 | 04:20 PM
  #46  
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From: Saskatoon, SK, Canada
Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi
Yup... thats why if you listen to a really rodded out BBC with the factory firing order, it sounds alot rougher than on with a 4-7 swap.
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Old May 31, 2003 | 06:41 PM
  #47  
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From: my house
Car: 92 camaro rs
Engine: 350
Transmission: th350
do u think if i showed those pics to a muffler shop that they could do the same thing on my car? also do u think that same setup would sound fine with 4" dynomax race mufflers?
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Old May 31, 2003 | 06:46 PM
  #48  
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From: my house
Car: 92 camaro rs
Engine: 350
Transmission: th350
oh yea u said u had your frame notched. how much clearence would i have if i didn't do that to my frame?
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Old May 31, 2003 | 08:42 PM
  #49  
92 zzz28's Avatar
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From: Jacksonville, NC
Car: Guess
Engine: Crazy 8
Transmission: So close to being a manual I can taste it
Originally posted by stroken_camaro9
oh yea u said u had your frame notched. how much clearence would i have if i didn't do that to my frame?
Very little and even less if you are lowered...
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Old Jun 1, 2003 | 01:24 AM
  #50  
automec's Avatar
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From: idaho falls id.
Car: 82 Z-28
Engine: 408
Transmission: TH-400
Axle/Gears: 4.11
they actually tried to at first . ended up with 1/2" ground clearance . went back the next morning and talked to the owner and this is what he came up with .
mike
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