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Author Topic:   Dual Exhausts on 73
Square Pants
Journeyman

Posts: 35
From: Phoenix, AZ
Registered: Aug 2002

posted 08-16-2002 08:36 PM     Click Here to See the Profile for Square Pants     Edit/Delete Message   Reply w/Quote
I just bought a new 73 convertible that is in really good shape and is mostly stock with a 351C-2V. It has a single exhaust and I would like to upgrade it to dual exhausts and headers. I have seen various kits out there for other years, but not 73. I guess my question is will the dual exhaust pipes from a 351C-4V setup work well under the car assuming I hook them up to the headers designed for the 2v?

Also, if I upgrade to the aussie 2V heads sometime next year, will the headers I plan on buying now for the stock 2V heads still work?

If you can't tell, I'm pretty new at this so any help will be welcome.

Thanks.

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SteveLaRiviere
Administrator

Posts: 33988
From: Saco, Maine
Registered: May 99

posted 08-16-2002 09:23 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
Sure, as long as you bend and adapt them at the collectors.

Yes, the Australian uses the 2V headers.

Welcome to M&M!

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All Fords since 1977!

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Fastback68
Gearhead

Posts: 1746
From: Sucat, Paranaque, Philippines
Registered: Jul 99

posted 08-16-2002 10:02 PM     Click Here to See the Profile for Fastback68   Click Here to Email Fastback68     Edit/Delete Message   Reply w/Quote
All new members at M&M are obliged to explain their names I just made that up, but SQUARE PANTS??????

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Hemikiller
Gearhead

Posts: 395
From: Clinton, CT
Registered: Feb 2002

posted 08-16-2002 10:51 PM     Click Here to See the Profile for Hemikiller   Click Here to Email Hemikiller     Edit/Delete Message   Reply w/Quote
Flowmaster makes a nice 2 1/2" system, mandrel bent h-pipe and tail pipes, comes with the 40 series mufflers and all the necessary hardware. If they are too loud, get the system, buy the dynomax superturbos of the same size, and ebay he flowmasters off. Mustangs Unlimited also sells a 2 1/4" system that is decent, but is no where near as nice as the Flowmaster kit. The part # for the Flowmaster setup is FLO-17273 from www.summitracing.com and cost $320. You may spend less elsewhere, but you will get what you pay for.........

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68DARKHORSE
Gearhead

Posts: 378
From: Austin, Tx
Registered: Aug 2002

posted 08-16-2002 11:11 PM     Click Here to See the Profile for 68DARKHORSE   Click Here to Email 68DARKHORSE     Edit/Delete Message   Reply w/Quote
Sponge Bob Square Pants, yaou can also buy just the FM tail pipes from Summit and add what ever mufflers you want. Dynomax Super Turbo out flow FM a little and sound way better(kind of quiet though). Dynomax Ultraflows (louder than ST) are straight through so they really out flow FM and are not raspy like FM.

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Boss302
Gearhead

Posts: 841
From: Coleman, Wisconsin
Registered: Jan 2002

posted 08-16-2002 11:37 PM     Click Here to See the Profile for Boss302   Click Here to Email Boss302     Edit/Delete Message   Reply w/Quote
yup, good ole sponge bob. alot of people love that show, but i don't understand WHY!!!!

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Max
-1989 Mustang GT (MaxTang)
225/50R15 tires
BBK Strut Brace
K&N Filter
4 cats, no muffs
180* stat
Member 1,861

"Look Into Those Eyes So Deep In-Love, and Drink It Up, 'cause Thats the Good Stuff"(for spenc)

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Square Pants
Journeyman

Posts: 35
From: Phoenix, AZ
Registered: Aug 2002

posted 08-17-2002 02:05 AM     Click Here to See the Profile for Square Pants     Edit/Delete Message   Reply w/Quote
Hey thanks a lot for the info everyone. I'll probably go with the flowmaster tubes and mufflers from summit. For headers I was thinking of either the Hedman ones or the ones from Ford Powertrain.

By the way, my kid loves Sponge Bob Square Pants... he was here when I was signing up!

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Hemikiller
Gearhead

Posts: 395
From: Clinton, CT
Registered: Feb 2002

posted 08-17-2002 08:27 AM     Click Here to See the Profile for Hemikiller   Click Here to Email Hemikiller     Edit/Delete Message   Reply w/Quote
I'm going to recommend the Hooker 6921 headers. I've used Hooker Comps for years, and I feel they are some of the best headers made. They may cost a little more, but they fit and do not leak.

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68DARKHORSE
Gearhead

Posts: 378
From: Austin, Tx
Registered: Aug 2002

posted 08-19-2002 11:22 AM     Click Here to See the Profile for 68DARKHORSE   Click Here to Email 68DARKHORSE     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Hemikiller:
I'm going to recommend the Hooker 6921 headers. I've used Hooker Comps for years, and I feel they are some of the best headers made. They may cost a little more, but they fit and do not leak.

I've got'em on my 68(302 4V) and on my 70(351C 2V). Very nice fit and construction.

[This message has been edited by 68DARKHORSE (edited 08-19-2002).]

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Square Pants
Journeyman

Posts: 35
From: Phoenix, AZ
Registered: Aug 2002

posted 08-23-2002 12:47 AM     Click Here to See the Profile for Square Pants     Edit/Delete Message   Reply w/Quote
Hey all,

I just got my exhaust kit and headers in today and I was wondering how much time should I set aside to yank off my old single exhaust and manifolds and replace with the dual. I got the heddman headers and the 2.5" flowmaster dual exhaust kit from summit.

I'm really looking forward to hearing my car's new voice...

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Dave Witthoeft
Gearhead

Posts: 1994
From: IL.
Registered: Dec 2000

posted 08-23-2002 04:20 AM     Click Here to See the Profile for Dave Witthoeft   Click Here to Email Dave Witthoeft     Edit/Delete Message   Reply w/Quote
A Saturday morning..

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MCA# 48755
71 Mach 1
69 Fastback
92 F-150
M&M#884

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71RESTO
Gearhead

Posts: 1288
From: Oregon, USA
Registered: Oct 2000

posted 08-23-2002 09:06 AM     Click Here to See the Profile for 71RESTO   Click Here to Email 71RESTO     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Dave Witthoeft:
A Saturday morning..


Only if it's a long saturday morning (hehehe).
I recently put the stock dual exhaust on my '73 and it took about 8 hours to take my time and do it right. And we just put headers on my duaghter's '66 (which already had duals) and it took about 8 hours to get everything pulled and reinstalled on that.

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Duane
71 Fastback (his) under resto (351C-4V C6 auto)
73 Mach 1 (hers) (351CJ 4 speed)
66 289/2V coupe (daughter Ashley's)
89 LX 2.3 convertible (daughter Amanda's)
M & M Member #730

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SteveLaRiviere
Administrator

Posts: 33988
From: Saco, Maine
Registered: May 99

posted 08-23-2002 08:15 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by 71RESTO:
Only if it's a long saturday morning (hehehe).
I recently put the stock dual exhaust on my '73 and it took about 8 hours to take my time and do it right. And we just put headers on my duaghter's '66 (which already had duals) and it took about 8 hours to get everything pulled and reinstalled on that.


After all that, you must be totally exhausted!

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All Fords since 1977!

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