Exhaust TECH Mufflers, Headers and Pipes Issues

          
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  #1  
Old 08-25-2017, 12:23 AM
cdrookie cdrookie is offline
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Default ebay OBX headers $168.88 OBO with free shipping

Just seen these. Makes me feel like a sucker when I paid $240 for mine.

http://www.ebay.com/itm/STAINLESS-ST...lYw06W&vxp=mtr


I just submitted an offer for $150 and it was declined...

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Old 08-25-2017, 06:20 AM
jamaca85 jamaca85 is offline
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watch out i think these are round ports headers too, i think i heard they have fitment issues

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Old 08-25-2017, 07:42 AM
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Says they fit '64 through '79....I don't think that's right.

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Old 08-25-2017, 07:55 AM
cdrookie cdrookie is offline
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The box mine came in said they fit 64-72. I have them on my 75 Lemans, which can use 2nd gen F body headers. Yes they are obviously round port, and I had to slightly open up a couple holes and ding one tube, but do a search and you will see there's no perfect set of on the shelf, ready to ship, thick flanged, stainless headers available at anywhere near this price point.

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Old 08-25-2017, 08:49 AM
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Looks good for the price no doubt but I always thought there was a cutoff between '67 and '68 A bodies as far as headers or RA manifolds were concerned. Maybe with headers everybody just dings them where necessary.?

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Old 08-25-2017, 12:12 PM
cdrookie cdrookie is offline
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I think they are, for the most part, about the same. I've read about brand X fitting great on this, then someone says they don't fit worth a darn on their same year car. I took one of my buddies Doug's headers for his 66 GTO and compared it to my 2nd gen Hedman Huslers and there wasn't much difference at all besides the #7 tube went down for clutch linkage.

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Old 08-25-2017, 01:12 PM
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I bought a set of them for my 70, they look exactly like the Dougs. I bought a set of Dougs and they didn't fit, called them and they said I would have to "ding" the tube to fit. I bought the ceramic ones for $750 and they tell me to dent the tube, BS! I bought the OBX header and dented the tube. I only had to open up a bolt hole or two to get the bolts to line up. I bought the round port ones, and I would buy them again for a car needing headers, if not RA manifolds are my choice.

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Old 08-25-2017, 09:31 PM
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Too bad they only make them for A-bodies.

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Old 08-26-2017, 06:54 AM
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Had to ding some tubes on mine and enlarge the end holes on the flanges but other than that they fit great.

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68 GTO,3860#
Stock Original 400/M-20 Muncie,3.55’s
13.86 @ 100
Old combo:
462 10.75 CR,,SD 330CFM Round Port E's,Old Faithful cam,Jim Hand Continental,3.42's.
1968 Pontiac GTO : 11.114 @ 120.130 MPH

New combo:
517 MR-1,10.8 CR,SD 350CFM E's,QFT 950/Northwind,246/252 HR,9.5” 4000 stall,3.42's
636HP/654TQ
1.452 10.603 @ 125.09
http://www.dragtimes.com/Pontiac-GTO...lip-31594.html
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Old 08-26-2017, 12:26 PM
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Think the guy just wants offers and only will take price shown. Offered the guy 165 and was declined, so bought a set at the advertised price. I asked another vendor selling the same headers if he would sell at 165 and he said couldn't do it.

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1963 Cat SD Clone (old school) streeter
1964 GTO post coupe, tripower, 4speed (build)
1965 GTO 389 tripower, 4 speed, driver
1966 GTO dragcar
1966 GTO Ragtop
1969 Tempest ET clone street/strip
1969 GTO Judge RA lll, auto
1969 GTO limelight Conv. 4speed go and show (sold)
1970 GP SSJ
1970 GTO barn find..TLB…390 horse?….yeh, 390
1972 GTO 455 HO, 4 speed, (build)
1973 Grand Safari wagon, 700hp stoplight sleeper
525ci DCI & 609ci LM V head builds
  #11  
Old 08-27-2017, 12:03 AM
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ed boersma ed boersma is offline
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Will these fit D port iron heads?

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Old 08-27-2017, 01:26 AM
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TCSGTO TCSGTO is offline
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No, round port. They are basically Dougs round port knock offs.

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68 GTO,3860#
Stock Original 400/M-20 Muncie,3.55’s
13.86 @ 100
Old combo:
462 10.75 CR,,SD 330CFM Round Port E's,Old Faithful cam,Jim Hand Continental,3.42's.
1968 Pontiac GTO : 11.114 @ 120.130 MPH

New combo:
517 MR-1,10.8 CR,SD 350CFM E's,QFT 950/Northwind,246/252 HR,9.5” 4000 stall,3.42's
636HP/654TQ
1.452 10.603 @ 125.09
http://www.dragtimes.com/Pontiac-GTO...lip-31594.html
  #13  
Old 08-27-2017, 12:19 PM
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How's the welds? No leaks?

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69 Firebird-462/Edel round ports/currently running the Holley Sniper/4sp/3.23posi/Deluxe Int/pwr st/vintage air/4wl disc( a work in progress-always )

http://youtu.be/eaWBd3M9MN4
  #14  
Old 08-27-2017, 09:57 PM
cdrookie cdrookie is offline
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welds look great, no leaks on mine.

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Old 08-28-2017, 06:31 PM
marxjunk marxjunk is offline
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could anyone that installed them, share pics and details of the mods they made? where they dinged them, etc?

just kicking it around to maybe get a set...wanna see what others have done..thanks in advanced

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  #16  
Old 08-28-2017, 10:47 PM
cdrookie cdrookie is offline
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on my 75 lemans I had to grind a little off the frame and motor mount on the drivers side, also dented the tube slightly, and opened 1 mounting hole a 32nd and elongated another a little.

  #17  
Old 08-29-2017, 09:09 AM
rohrt rohrt is offline
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Are they really stainless T-304 ?

At that price, it so cheap, that could be the starting point for a build if you hadn't bought heads.

  #18  
Old 08-29-2017, 05:28 PM
cdrookie cdrookie is offline
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they're stainless

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Old 08-31-2017, 02:51 PM
Dragncar Dragncar is offline
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Sure wish they were 2" I.D. and 3 1/2" collectors.

  #20  
Old 08-31-2017, 04:57 PM
cdrookie cdrookie is offline
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collectors are 3.5" but ID of tubes are 1 7/8".
or at least mine are.

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