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| General Turbo Buick Tech Technical discussions |
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August 8th, 2009, 04:51 AM
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Pypes install help please
I'm trying to install a Pypes exhaust system in my turbo Buick powered El Camino. Because my wheelbase is 5 or 6 inches longer, the tubes over the axles won't fit and I need to extend them. Anyone know what type of stainless they are made of? Does anyone have some installed pics of how the hangers are installed??
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81 El Camino w/ 87 GN drivetrain. 3" ATR downpipe, RJC power plate, 8.5 posi w/ TA rear girdle, UMI rear control arms, HR poly motor and trans mounts, Comp 980's, line loc, 2.75 bore front calipers, S10 rear cylinders, dropped spindles w/ total front end rebuild, manual boost controller, hotwired Walbro, billet adj. fpr, Welds, Dutt neck, LS1 maf and transaltor, TR 3.5 maf pipe, 60#ers, Magnacore 10mm wires, Pypes exhaust, Cottens dump. Not done yet, more to follow. 
    
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August 8th, 2009, 07:29 AM
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409 I believe.
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86 GN, 4.1L w/steel caps & ARP stud/bolts, mildly ported 8445's & intake, 212/212 roller, GT6131E, TT chip, 60 lb'rs, RJC p/plate, 3" THDP, ATR stretched SLIC, Walbro 340 hotwired, UMI lca, ATR bar Last edited by Nasty; August 8th, 2009 at 07:32 AM.
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August 8th, 2009, 08:07 AM
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Thanks, that's correct. I used the search feature, but you have to wade through every post that says 'Pypes' or 'install'. Now to find a muffler shop that has some on hand in 2.5".
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81 El Camino w/ 87 GN drivetrain. 3" ATR downpipe, RJC power plate, 8.5 posi w/ TA rear girdle, UMI rear control arms, HR poly motor and trans mounts, Comp 980's, line loc, 2.75 bore front calipers, S10 rear cylinders, dropped spindles w/ total front end rebuild, manual boost controller, hotwired Walbro, billet adj. fpr, Welds, Dutt neck, LS1 maf and transaltor, TR 3.5 maf pipe, 60#ers, Magnacore 10mm wires, Pypes exhaust, Cottens dump. Not done yet, more to follow.
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August 8th, 2009, 11:39 AM
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Why not just ask the guys at Pypes what to do?
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Mark Hueffman - Owner of TR Custom Parts 1987 GN Bling & Sting Test Vehicle 6262 BB Turbo / Bison-Built 2004r/ PTC 9.5 NLU Converter/ Razor Alky / 60 lb injectors / TT 6.0 chip / Big Mouth Cold Air & 4" MAF pipe / Z06 MAF sensor / SE FM Intercooler / KB style Headers / Dual 3" stainless exhaust / Electric exhaust cutout / Powerlogger mhueffman@snet.net Sale thru 2-16-10 on 6 piece aluminum pulley sets $50 OFF!, stroker cranks $125 OFF! VISIT OUR WEBSITE BY CLICKING THE BANNER BELOW. 
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August 8th, 2009, 11:57 AM
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The muffler shop's pipes won't be mandrel bent. I'd contact Pypes like TR Custom said to do.
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1987 GN, 87 TR, 2002 Sebring convertible, one happy insurance agent My email is rudydog33@comcast.net Please don't PM me. Newest addition-1986 GN with 25k miles. Garage Queen to the max! 
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August 8th, 2009, 12:31 PM
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why not just extend the test pipe 5" and call it a day
for pics gm hitech did a pypes install in the sept 2009 issue
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paul - MAGNA NJ rep the 86GN bests 1.41 6.57 105 10.41 129.8 bone stock shortblock ,71GTQ, msbc-1, V2, ported irons ,tt6.0wb 75# ... now extremeauto th400 w/brake , vig converter, FAST, 83s =cracked #3 piston the 87GN , 11.31 ,120.9 TE44, duttneck, weber CNC raceport irons w 1.65 T+D, msbc-1, tial38, hi-pro,protorque, TT 55# through aerochambers big thanks to julio at alkycontrol.com eric at turbotweak.com A little fun with the GNs at Atco video
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August 8th, 2009, 01:30 PM
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Lengthening the dump pipe would prohibit the use of the hanger at the crossmember. I contacted a local shop who will cut me a couple of pieces of 2.5" 409 12 inches long and I'll cut them to fit. Can't get it until monday though.
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81 El Camino w/ 87 GN drivetrain. 3" ATR downpipe, RJC power plate, 8.5 posi w/ TA rear girdle, UMI rear control arms, HR poly motor and trans mounts, Comp 980's, line loc, 2.75 bore front calipers, S10 rear cylinders, dropped spindles w/ total front end rebuild, manual boost controller, hotwired Walbro, billet adj. fpr, Welds, Dutt neck, LS1 maf and transaltor, TR 3.5 maf pipe, 60#ers, Magnacore 10mm wires, Pypes exhaust, Cottens dump. Not done yet, more to follow.
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August 8th, 2009, 03:25 PM
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since you want to make use of the stock cat flange then just extend the flange length 5"
extending the tails will alters the width (by the springs and for the tailshaft mounts)due to fact the mufflers are angled out , will create more headaches ,
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paul - MAGNA NJ rep the 86GN bests 1.41 6.57 105 10.41 129.8 bone stock shortblock ,71GTQ, msbc-1, V2, ported irons ,tt6.0wb 75# ... now extremeauto th400 w/brake , vig converter, FAST, 83s =cracked #3 piston the 87GN , 11.31 ,120.9 TE44, duttneck, weber CNC raceport irons w 1.65 T+D, msbc-1, tial38, hi-pro,protorque, TT 55# through aerochambers big thanks to julio at alkycontrol.com eric at turbotweak.com A little fun with the GNs at Atco video Last edited by pacecarta; August 8th, 2009 at 03:28 PM.
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August 8th, 2009, 06:22 PM
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Hmmm, I'll look into that.
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81 El Camino w/ 87 GN drivetrain. 3" ATR downpipe, RJC power plate, 8.5 posi w/ TA rear girdle, UMI rear control arms, HR poly motor and trans mounts, Comp 980's, line loc, 2.75 bore front calipers, S10 rear cylinders, dropped spindles w/ total front end rebuild, manual boost controller, hotwired Walbro, billet adj. fpr, Welds, Dutt neck, LS1 maf and transaltor, TR 3.5 maf pipe, 60#ers, Magnacore 10mm wires, Pypes exhaust, Cottens dump. Not done yet, more to follow.
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