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Pics of hedman long tubes, w/ extenders...little low...

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Old Jul 13, 2005 | 12:17 PM
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From: Detroit, MI
Car: 91' Pontiac Firebird
Engine: 388 ci Small block CHEVY (4.060x3.75), Dart Iron Eagle Platinum 200cc, Performer intake, 454 TBI, Long Tubes, True Dual 3" GPs
Transmission: 700R4, B&M, Governer Recal, 20,000 GVW cooler
Pics of hedman long tubes, w/ extenders...little low...

I am cutting and re-welding the extenders takin out some of the pipe in the middle, especially the passenger side.



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Old Jul 13, 2005 | 12:47 PM
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From: LONDON, KY
Car: Camaro
Engine: Carbed L98
Transmission: TH350
Axle/Gears: 3.73
Yeah, I used the hedman LT's and the s-tubes also. I did have to shorten them because of being low. I ended up running 2.5 duals with dynomax bullits. Sound great.


How do you like the Iron Eagle platinums?
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Old Jul 13, 2005 | 01:23 PM
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From: Roselawn, IN.
Car: 85 Berlinetta
Engine: 408 SBC with a S-480 Turbo
Transmission: TH350/Hughes converter (Thank Pete)
Axle/Gears: 3:23 28.5" tire
That's what I did with mine, except, after the s-extensions I installed an X-pipe with 2 spintechs! Ground clearance was no problem-see?

Last edited by always tinkerin; Jul 16, 2006 at 11:49 AM.
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Old Jul 13, 2005 | 01:40 PM
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From: LONDON, KY
Car: Camaro
Engine: Carbed L98
Transmission: TH350
Axle/Gears: 3.73
Originally posted by always tinkerin
That's what I did with mine, except, after the s-extensions I installed an X-pipe with 2 spintechs! Ground clearance was no problem-see?
How close does that drivers side pipe come to the fuel lines?
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Old Jul 13, 2005 | 01:48 PM
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From: Roselawn, IN.
Car: 85 Berlinetta
Engine: 408 SBC with a S-480 Turbo
Transmission: TH350/Hughes converter (Thank Pete)
Axle/Gears: 3:23 28.5" tire
I don't know how close it might be on a factory car-mine's all different now, although, where the metal line does come close to the pipe, I've protected it with a small sect. of high temp heater hose. It's suprisingly been working that way for years.
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Old Jul 13, 2005 | 01:57 PM
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for fuel lines, i modded bracket in the tunnel there, just loosen it up, and you know it hangs down, just push it up, it'll tuck the lines up like 3", making them not an issue...i have custom bent exhaust, so mine is tucked up more than most people's are...i'm also running spintechs...here's some pics...
Attached Thumbnails Pics of hedman long tubes, w/ extenders...little low...-exhaust1.jpg  
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Old Jul 13, 2005 | 01:58 PM
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i also have the headman LT's...here's number 2
Attached Thumbnails Pics of hedman long tubes, w/ extenders...little low...-exhaust2.jpg  
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Old Jul 13, 2005 | 01:58 PM
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From: LONDON, KY
Car: Camaro
Engine: Carbed L98
Transmission: TH350
Axle/Gears: 3.73
I may try and move the brackets. That would help get them away from the exhaust.

I need to get a few pics of my setup. It crosses over and the pipes run down the passengers side and dump before the rear.
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Old Jul 13, 2005 | 01:58 PM
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From: Menominee MI
and here's 3, the exhaust shop did it for 200 bucks, you can't beat that, i don't scrape at all and i'm lowered 1.75"....
Attached Thumbnails Pics of hedman long tubes, w/ extenders...little low...-exhaust3.jpg  
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Old Jul 13, 2005 | 01:59 PM
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From: Roselawn, IN.
Car: 85 Berlinetta
Engine: 408 SBC with a S-480 Turbo
Transmission: TH350/Hughes converter (Thank Pete)
Axle/Gears: 3:23 28.5" tire
Looks great! Nice job!
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Old Jul 13, 2005 | 02:01 PM
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well thanks..the only downfall is its crushed bent ...but i had to sacrifice something for ground clearance...its dual 2.5" pipe straight back, so the flow is still phenominal, and still enough to flow a 375 hp motor like what i got...
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Old Jul 13, 2005 | 02:03 PM
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From: LONDON, KY
Car: Camaro
Engine: Carbed L98
Transmission: TH350
Axle/Gears: 3.73
Originally posted by klumb15
well thanks..the only downfall is its crushed bent ...but i had to sacrifice something for ground clearance...its dual 2.5" pipe straight back, so the flow is still phenominal, and still enough to flow a 375 hp motor like what i got...
How do you like that comp xr276hr cam?
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Old Jul 13, 2005 | 02:24 PM
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From: Menominee MI
i like it, sometimes i wish i would've went a bit smaller, but its working out pretty good with the new intake...i haven't really beat on the car yet, just becaues the whole drivetrain is new, but when you get the car to like 2000 rpms and higher, you can really feel a pull in power....its got a pretty lumpy idle to it, but its nothin real bad....i would say its the biggest street cam i would ever wanna run i can tell ya that...
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Old Jul 13, 2005 | 02:29 PM
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From: LONDON, KY
Car: Camaro
Engine: Carbed L98
Transmission: TH350
Axle/Gears: 3.73
I was thinking of going with the 282. I am running carb, so no efi tunning. I should be able to get away with it and a 3000 stall.
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Old Jul 13, 2005 | 03:36 PM
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From: Roselawn, IN.
Car: 85 Berlinetta
Engine: 408 SBC with a S-480 Turbo
Transmission: TH350/Hughes converter (Thank Pete)
Axle/Gears: 3:23 28.5" tire
That's a good combo with 9:1 or better compression. I had the 280H with a 2,500 stall in a 2nd gen that was carbureted. Great combo!
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Old Jul 13, 2005 | 04:01 PM
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From: Menominee MI
yea your heads are gonna be playing a huge role if you go bigger than my cam...i have alum L98's mildly ported, and I feel the heads are starving the cam...make sure you have atleast a 2800 rpm stall, and some steep rearend gears, otherwise she's gonna be a pouch outta the hole..
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Old Jul 13, 2005 | 06:28 PM
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From: Toronto, Ontario
Car: 1988 IROC-Z, 95 Z-28
Engine: 357, 350 LT1
Transmission: Built 700-R4, 6-Speed
Axle/Gears: 2.73 Peg Leg, 3.42 Posi
Hey always tinkerin what series spintech's did you use and how did you mount them. Alsop do you have any sound clips.

Was the fit of the Headmans good and what gaskets did you use. I have there shorties right now and I just cant get the **** suckers to seal to the cylinder head. have used the copper, paper, and even the fel-pro ones that are like half and half.

I think one of the main reasons to is the header bolts hit the primarys so you cant get a 7/16 socket on them to get them nice and tight.

If you would be kind enough could you get a picture of the clearance of the header bolts to the primaries. Or you could just tell me if there is enough rooom to get a socket on all of them.

Thanks.
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Old Jul 13, 2005 | 06:44 PM
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From: Menominee MI
i just use the traditional reinz metallic ones or whatever...you can get a socket on about 3 of the bolts on each side, otherwise you gotta use a box end, and usually something to elongate the wrench...its a b!tch, but just take your time and make sure you get them all nice and tight, it will save time in the long run...my headman longtubes fit real nice...good clearance around everything...highly recommended..you can't beat the quality for 130 bucks...
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Old Jul 13, 2005 | 06:46 PM
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always tinkerin, i hope you ahve something to back those duals up, instead of the 2.8 multi port thats stuck to your bumper it looks like tinkerin has the pro streets just like me...i think they sound real nice....terribly wicked at high rpms, definately scares the children
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Old Jul 13, 2005 | 06:53 PM
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From: Toronto, Ontario
Car: 1988 IROC-Z, 95 Z-28
Engine: 357, 350 LT1
Transmission: Built 700-R4, 6-Speed
Axle/Gears: 2.73 Peg Leg, 3.42 Posi
Thanks, what do you think of using two of SLP'S shotgun resonators.

And do you think I could use 3" Pipe.
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Old Jul 13, 2005 | 06:59 PM
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dual 3" dumped underneath is unneccisary...dual 3" is for like 500+ blown/turboed motors...its overkill IMO...dual 2.5 can flow up to like 450 hp easily...i would go with a full muffler if i were you...my buddy has duals jus tlike me, but he has bullets, hasn't started it up yet, but i think its gonna be insanely loud..i'm glad i went with full mufflers, cuz mine screams, but you can still kinda talk to your passenger...i almost wish i would've went with aerochambers or something, but the few times i've had it out, people say it sounds rediculously mean....so thats what i was going for...couple friends said it sounds like war when i hit the gas....also with the dual 3" pipes, you'll loose a little more lowend torque, bigger is not always better...
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Old Jul 13, 2005 | 07:21 PM
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From: Toronto, Ontario
Car: 1988 IROC-Z, 95 Z-28
Engine: 357, 350 LT1
Transmission: Built 700-R4, 6-Speed
Axle/Gears: 2.73 Peg Leg, 3.42 Posi
I was just saying 3" because that is the only size SLP sells there resonators in.
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Old Jul 13, 2005 | 07:24 PM
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From: Detroit, MI
Car: 91' Pontiac Firebird
Engine: 388 ci Small block CHEVY (4.060x3.75), Dart Iron Eagle Platinum 200cc, Performer intake, 454 TBI, Long Tubes, True Dual 3" GPs
Transmission: 700R4, B&M, Governer Recal, 20,000 GVW cooler
I don't know what went wrong with my exhaust, fawking hedmans fixtures were all fubared damnit (had to clearance my suspension too). I installed the S tubes as high as I could with some clearance from the body.

I have about 1/2" to the brake line, and more for the fuel lines (warmer fuel = more volatile fuel).

Oh, I think another problem was I have 3" S tubes. I just ordered two 3" purple hornies (for when I save up some money to get a real exhaust).

Your probably thinking 3" is over kill, but its all for the sound, my mission is to scare ricerockets and set off car alarms.

Oh, about the platinums, waiting on Turbocity.com's adapter for the IAC, (butholes w/ their 3 day 2 day air!)
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Old Jul 13, 2005 | 08:26 PM
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you will sacrifice tons of ground clearance with going to 3"...you can also run 2.5" pipe, then just put the 2.5" pipe inside the reasonators, and fill the gap with welds...its only a 1/4" all the way around to fill...also prefabbed s pipes are a joke, you can never get them to tuck up right...
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Old Jul 13, 2005 | 09:01 PM
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From: Detroit, MI
Car: 91' Pontiac Firebird
Engine: 388 ci Small block CHEVY (4.060x3.75), Dart Iron Eagle Platinum 200cc, Performer intake, 454 TBI, Long Tubes, True Dual 3" GPs
Transmission: 700R4, B&M, Governer Recal, 20,000 GVW cooler
Originally posted by klumb15
...also prefabbed s pipes are a joke, you can never get them to tuck up right...
Aww, thanks for telling me that now
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Old Jul 14, 2005 | 02:47 PM
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lol, they are too much function over form IMO...they are 3" mandrel bent, so there fore they flow amazingly awesome, the downside is, they aren't made for our cars, so therefore they are not gonna tuck up like intended....between my tranny crossmember and exhaust, i can hardly stick a pinky in there, thats how tight she tucks up...just a heads up, but your gonna find out which roads you can and which roads you can't go on real quick..
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Old Jul 14, 2005 | 03:27 PM
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From: Harford County, MD
Car: camaro sportcoupe
Engine: 7.0L
Transmission: G-Force GF5R
Axle/Gears: Moser 9"
here is how well my 2.5" x-tensions tucked.
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Old Jul 14, 2005 | 03:38 PM
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mw66nova, yea i think your the only one i've seen so far that actually got them to tuck up pretty decent...his are another 1/2" tho too...
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Old Jul 14, 2005 | 03:44 PM
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From: Worcester, MA
Car: 86 T/A
Engine: HSR 355
Transmission: 700R4
Axle/Gears: 2.77 posi
I copied MW66Nova and have great results. Probably 4" at that same spot.
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Old Jul 15, 2005 | 09:09 AM
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From: LONDON, KY
Car: Camaro
Engine: Carbed L98
Transmission: TH350
Axle/Gears: 3.73
Originally posted by klumb15
yea your heads are gonna be playing a huge role if you go bigger than my cam...i have alum L98's mildly ported, and I feel the heads are starving the cam...make sure you have atleast a 2800 rpm stall, and some steep rearend gears, otherwise she's gonna be a pouch outta the hole..
I am running 3.73 gears and installing a TH350. As far as heads, I will be going with either Dart, Trickflow, or some New Brodix IK200's ported out. Add in a Holley 750, and a Team-g intake and it should be a good setup.
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Old Jul 15, 2005 | 06:38 PM
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i'd go a little more cam if your going with better flowing heads...you mines well make everything perform to its potential...
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Old Jul 18, 2005 | 07:56 AM
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From: LONDON, KY
Car: Camaro
Engine: Carbed L98
Transmission: TH350
Axle/Gears: 3.73
Originally posted by klumb15
i'd go a little more cam if your going with better flowing heads...you mines well make everything perform to its potential...
If I use 1.6 rr's on the 282, I will get about .545/.555 lift. That should be good for a street/strip car.

I may do some work on the iron L98 heads and see what they do first. I just looking for around 12.50's. So what ever it takes without overkill. "cough" budget" cough" lol.

Last edited by bluegrassz; Jul 18, 2005 at 07:58 AM.
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Old Jul 19, 2005 | 02:35 PM
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yea, a setup like mine is 12.5 capable...i'm guessing like around 13.0 for my setup, give or take a couple tenths...but once i start doing suspension and get some new tires, i think i'll be well into the 12's, hopefully...

they definately nickel and dime ya, but its worth it in the end!
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