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87ASCMcSteve
Joined: 20 Mar 2007
Posts: 40
Location: Sarasota, Florida
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 Posted: Mon Jan 05, 2009 1:12 am Post subject: Exhaust System for '87 McLaren |
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| I need a new exhaust system for my '87 and am wondering when talking to an exhaust place, do I say I need one for an LX or a GT? I assume they are different after looking in a Mustang parts catalog. But I know these cars all started out as LX's. |
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Sandy
Joined: 26 Aug 2004
Posts: 6205
Location: Northern New Jersey GSP Exit 148
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negusm
Site Admin
Joined: 25 Aug 2004
Posts: 5183
Location: Charlotte, NC
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| Posted: Mon Jan 05, 2009 3:44 am Post subject: |
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I'm pretty sure they should be exactly the same.
I can't think of what could be different between an LX and GT. what are the parts books saying?
-Mike
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1985 ascMcLaren Coupe - Midnight Blue
Under Restoration |
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asc709
Joined: 29 Aug 2004
Posts: 46
Location: El Paso, TX
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| Posted: Mon Jan 05, 2009 5:11 am Post subject: |
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You need one for a 87-93 GT. The LX tailpipes are straight and may not clear the lower rear valence. The GT exhaust system should have the turndowns that exit just below the rear lower valence.
Let me know if you need any pics.
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1988 ASC McLaren #709 |
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mustangjim
Joined: 04 May 2006
Posts: 131
Location: high ridge, missouri
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| Posted: Mon Jan 05, 2009 5:23 am Post subject: LX/GT Exhaust |
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You can use a LX system on a GT, but you will need to extend the rear mount hanger extensions @ 1.5" to clear the rear valance.
I installed a LX system on my 87 Gt sometime back as the LX system had the slash cut tips in Stainless Steel vs. straight cut galvanized for the GT, all the bends remain the same.
Good Luck 
_________________
1986 ASC McLaren Eurocoupe #19 of 47
1979 Mercury Capri Ghia - Sold 2007
1991 Triple Black LX - Sold 2005
1992 White & Gray LX - Sold 2004
1996 Moonlight Blue GT - Sold 2003
1989 25th Anniversary LX - Sold 2003
1984 Mercury Capri RS - Sold 2002 |
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Sandy
Joined: 26 Aug 2004
Posts: 6205
Location: Northern New Jersey GSP Exit 148
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| Posted: Mon Jan 05, 2009 1:43 pm Post subject: |
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Okay...Question
Are you guys (asc709 & Mike) saying that Ford Motor Company supplied LX V-8 Coupes, built WITH the GT Exhaust ??
I have to check my paperwork, on that one, but I don't have time, now. Today's a hospital-day.
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Sandy passed away in 2012. He will be forever missed.
1990 Final Car prior to the 12 Silver Anny Editions
1990 Silver Pearl Anny Edition
1986 Coupe Full Pkg #109 of 114.
http://public.fotki.com/ascmclaren/ascmclaren_capris/sandys_mclarens/ |
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negusm
Site Admin
Joined: 25 Aug 2004
Posts: 5183
Location: Charlotte, NC
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| Posted: Mon Jan 05, 2009 3:37 pm Post subject: |
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| asc709 wrote: | You need one for a 87-93 GT. The LX tailpipes are straight and may not clear the lower rear valence. The GT exhaust system should have the turndowns that exit just below the rear lower valence.
Let me know if you need any pics. |
You know, after I posted that, I was thinking maybe it was a tailpipe change. Everything from the headers to the catalytic converter and muflers should all be the same.
-Mike
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1985 ascMcLaren Coupe - Midnight Blue
Under Restoration |
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negusm
Site Admin
Joined: 25 Aug 2004
Posts: 5183
Location: Charlotte, NC
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| Posted: Mon Jan 05, 2009 3:38 pm Post subject: |
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| Sandy wrote: | Okay...Question
Are you guys (asc709 & Mike) saying that Ford Motor Company supplied LX V-8 Coupes, built WITH the GT Exhaust ??
I have to check my paperwork, on that one, but I don't have time, now. Today's a hospital-day. |
Apparently, to clear the lower rear asc/gt valence, they must have used GT exhaust...or modified it at asc to do so.
-Mike
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1985 ascMcLaren Coupe - Midnight Blue
Under Restoration |
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Tom S.
Joined: 28 Aug 2004
Posts: 264
Location: Farmington, MN
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| Posted: Mon Jan 05, 2009 8:23 pm Post subject: |
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| Sandy wrote: | Okay...Question
Are you guys (asc709 & Mike) saying that Ford Motor Company supplied LX V-8 Coupes, built WITH the GT Exhaust ??
I have to check my paperwork, on that one, but I don't have time, now. Today's a hospital-day. |
Yes. Look at the pics of the not yet done coupes in my Fotki.
Mustang exhaust pipes are one piece welded from the H-pipe back. The only difference would be the tips from the axle hump back. But since they were a welded assembly it can accurately be stated that these cars started with GT exhaust. There would be no reason for ASC to modify this since Ford had the parts available in the correct configuration on the assembly line and they would bolt up with no problem.
If I needed exhaust, and I have before for 2 LX's, I would troll all the Mustang boards looking for a set that was taken off when a car was new. It is easily removed and installed, WITHOUT cutting. I've done this 3 times. The last set I bought off a low mileage '86 for an '86 cost me $250 from the headers back and I was able to have it shipped via UPS intact without cutting.
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Tom S.
'85 ASC Coupe #607910--sold and crushed RIP 
'95 SVT Cobra--sold
'89 Oregon State Police SSP Mustang--sold
'86 LX 5.0 Coupe--sold |
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ProTouringASC
Joined: 18 Sep 2006
Posts: 352
Location: Lenoir City, TN
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| Posted: Mon Jan 05, 2009 10:12 pm Post subject: I goofed... they are LX tips!!! |
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Just so all will know, I installed a Magnaflow stainless system with LX tail pipes on my '89 with no problems. They don't hit the valance and come out (with a little tweaking) through the notches in the stock asc valance with no problems.
The Magnaflows also have a nice throaty sound with little resonance.
Shiny Side Up!
Bill
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...it is their right, it is their duty, to throw off such government, and to provide new guards for their future security.
Last edited by ProTouringASC on Tue Jan 06, 2009 1:23 am; edited 1 time in total |
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Sandy
Joined: 26 Aug 2004
Posts: 6205
Location: Northern New Jersey GSP Exit 148
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| Posted: Tue Jan 06, 2009 12:30 am Post subject: |
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Back to square one.
I did check McLaren paperwork and braodcast sheets from the factory and, yes, it does appear that the exhaust/tailpipes used are from the GT. Yet another FoMoCo on line, installation to assist ascMclaren....(and some like to say that our cars "are not factory" ...) They NEVER did THIS for Steve Saleen
_________________
Sandy passed away in 2012. He will be forever missed.
1990 Final Car prior to the 12 Silver Anny Editions
1990 Silver Pearl Anny Edition
1986 Coupe Full Pkg #109 of 114.
http://public.fotki.com/ascmclaren/ascmclaren_capris/sandys_mclarens/ |
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87ASCMcSteve
Joined: 20 Mar 2007
Posts: 40
Location: Sarasota, Florida
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| Posted: Tue Jan 06, 2009 2:12 am Post subject: Exhaust for My '87 McLaren |
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Thanks to ALL who took the time to respond to my questions about the exhaust I need to get. That makes sense about using the GT exhaust with the turndown tips to clear the ground effects valence panel added to the bottom of the LX fascia. I ordered today the Flowmaster GT kit and will be getting it installed at the Cadillac dealer I work at on Wednesday. Thanks again!! What a great group of McLaren lovers you all are!!
Steve Nelson
Sarasota, Florida
#476 with 39,000 original Florida miles |
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Sandy
Joined: 26 Aug 2004
Posts: 6205
Location: Northern New Jersey GSP Exit 148
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| Posted: Tue Jan 06, 2009 2:52 am Post subject: |
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Loooks like yours is 2nd to THE LAST 1987!! 476
_________________
Sandy passed away in 2012. He will be forever missed.
1990 Final Car prior to the 12 Silver Anny Editions
1990 Silver Pearl Anny Edition
1986 Coupe Full Pkg #109 of 114.
http://public.fotki.com/ascmclaren/ascmclaren_capris/sandys_mclarens/ |
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Tom S.
Joined: 28 Aug 2004
Posts: 264
Location: Farmington, MN
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| Posted: Tue Jan 06, 2009 11:30 am Post subject: |
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| Sandy wrote: | | They NEVER did THIS for Steve Saleen |
They didn't have to in this situation. Saleen designed his ground effects to work with the better looking LX brushed stainless exhaust.
_________________
Tom S.
'85 ASC Coupe #607910--sold and crushed RIP
'95 SVT Cobra--sold
'89 Oregon State Police SSP Mustang--sold
'86 LX 5.0 Coupe--sold |
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351mclaren
Joined: 19 May 2007
Posts: 37
Location: STOCKTON, CA
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| Posted: Thu Jan 08, 2009 8:54 pm Post subject: Exhaust |
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| GT Exhaust for 87/88...on 89/90 you can run the polished LX catback due to the cobra style rear valance. |
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