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Author Topic:   do h and x pipes perform well on the drag strip
THUMPING COUGAR
Journeyman

Posts: 55
From:
Registered: Mar 2001

posted 02-26-2002 06:55 PM     Click Here to See the Profile for THUMPING COUGAR   Click Here to Email THUMPING COUGAR     Edit/Delete Message   Reply w/Quote
i was thinking of getting an h or x pipe, but i dont know if it will be restrictive, and i dont want to quite my exaust down any
what should i do

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steve'66
Gearhead

Posts: 6352
From: Sonoma,CA,USA
Registered: Mar 2000

posted 02-26-2002 11:30 PM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
Forget about it.

Open headers, or tuned length collectors will make more power. If muffs are required, then collector mufflers are usually prefered on the strip. I can't think of a single strip only car with a dorky H or X pipe.

SteveW

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1trickpony
Gearhead

Posts: 107
From: Escondido, Ca
Registered: Oct 2001

posted 02-27-2002 01:59 AM     Click Here to See the Profile for 1trickpony     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by steve'66:
Forget about it.

Open headers, or tuned length collectors will make more power. If muffs are required, then collector mufflers are usually prefered on the strip. I can't think of a single strip only car with a dorky H or X pipe.

SteveW


Dorky?
Gah! I say!
I have an h-pipe on my FL Hooker coated SC headers,full 2.5 inch dual 2 chamber flowmastered self bent exhaust. Granted it is not a strip car and I do agree that an h-pipe is not optimal for drag use but they do have a place.
so....

My engine winds up smoother and quicker with the h-pipe in than it did without. It decels quicker and takes the pressure from a hard decel much better not to mention it sounds sweet at idle.

I do have to say that there was nothing that was cooler than having cut-outs on the car though. They are not on this version of my tubes but it was alot of fun to uncork the pipes ahead of the mufflers and feel the wonderful power of practically open headers.


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1969 "S" code Mach1

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65_289
Gearhead

Posts: 758
From:
Registered: Jul 2001

posted 02-27-2002 09:51 AM     Click Here to See the Profile for 65_289   Click Here to Email 65_289     Edit/Delete Message   Reply w/Quote
I have an h-pipe, and cut-outs that I open at the strip. Best of both worlds!

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capri man
Gearhead

Posts: 3258
From: doerun, ga.
Registered: Nov 2000

posted 02-27-2002 10:04 AM     Click Here to See the Profile for capri man   Click Here to Email capri man     Edit/Delete Message   Reply w/Quote
i got a dorky strip only car with the X pipe. may not help but dam it sounds good. sounds like i am turning 8000 when i am only turning 5700. hee hee

------------------
mike r
racing is real
everything else is just a game.
81 capri-7.56 @88mph 1/8
1.56 60 ft.

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cpmaverick
Moderator

Posts: 1564
From: Auburn, AL.
Registered: Jan 2000

posted 02-27-2002 10:38 AM     Click Here to See the Profile for cpmaverick   Click Here to Email cpmaverick     Edit/Delete Message   Reply w/Quote
Car Craft has a low 12 second Fox Body that they dyno'd with open headers, aftermarket H-pipe, and custom built X pipe.

The H pipe lost ~30 HP to open headers, but it wasn't the best H pipe out there.

They used the Flowtech X-pipe and dual 3" exhuast and lost just 1-2 HP to open headers. It was a very interesting article. I think the scavenging affects of the X-pipe are very beneficial considering that mufflers were also run and very little HP was lost.

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stang106
Gearhead

Posts: 734
From: God's Country!... Port Alberni B.C. Canada
Registered: Jul 2001

posted 02-27-2002 04:34 PM     Click Here to See the Profile for stang106   Click Here to Email stang106     Edit/Delete Message   Reply w/Quote
Dorky Sterling Marlin won two Daytonas using the X-pipe- his team were one of the first to use it.
Dave

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steve'66
Gearhead

Posts: 6352
From: Sonoma,CA,USA
Registered: Mar 2000

posted 02-27-2002 04:38 PM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
I still say they are

DORKY DORKY DORKY


SteveW

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bluestreek
Gearhead

Posts: 1228
From: Athens,GA
Registered: Jul 2001

posted 02-28-2002 12:27 PM     Click Here to See the Profile for bluestreek   Click Here to Email bluestreek     Edit/Delete Message   Reply w/Quote
Not to mention that they get in the way of the tranny when you have work down there and they also add weird stresses to the whole exhaust system compared to independent exhaust.

BS

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Moneymaker
Administrator

Posts: 19686
From: Lyons, IL, USA
Registered: May 99

posted 02-28-2002 02:23 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Funny you should ask We are about to do some testing very soon with some "special" collectors that will be "joined together" in a certain manner. No mufflers will be involved of course.
Mufflers are for hot rod lawn mowers and nerd cars only!

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Alex Denysenko
Co-Administrator and Moderator/ non 65-66 Mustang owner sensitivity co-ordinator

NHRA/IHRA/SRA member
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Part time secret agent license #0089
US Class Nationals link

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steve'66
Gearhead

Posts: 6352
From: Sonoma,CA,USA
Registered: Mar 2000

posted 02-28-2002 05:28 PM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
Alex,

MM'r would sound like a turbine with single exhaust.

SteveW

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Moneymaker
Administrator

Posts: 19686
From: Lyons, IL, USA
Registered: May 99

posted 02-28-2002 06:11 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Oh no, that puppy will still be loud as hell!

------------------
Alex Denysenko
Co-Administrator and Moderator/ non 65-66 Mustang owner sensitivity co-ordinator

NHRA/IHRA/SRA member
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Part time secret agent license #0089
US Class Nationals link

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