Help with Prochamber

347Strokr · August 26th, 2009, 10:30 PM

I have a 91 LX body with a T-5 tranny. I have shorty headers, but I am having trouble getting the Prochamber to fit within the crossmember humps. When the downtubes are bolted up, they hang just below the crossmember mounting points. The guy I bought the exhaust from, says that it was mounted in an 88 LX. Any suggestions? Is there a difference automatic and manual crossmembers?

baine21225 · August 26th, 2009, 11:35 PM

The problem is that it's a Mac product, there fore its a cheap, shitty fitment......these type of problems are not uncommon

Chris951 · August 27th, 2009, 12:17 AM

My Mac o/r h-pipe fits perfect.

baine21225 · August 27th, 2009, 01:44 AM

Originally Posted by Chris951

My Mac o/r h-pipe fits perfect.

You and I already had this discussion, we will agree to dissagree

Chris951 · August 27th, 2009, 02:07 AM

Originally Posted by baine21225

You and I already had this discussion, we will agree to dissagree

Just sayin. I could imagine how a prochamber wouldn't fit right though. After that thread I realized the Mac headers are shit and my next set will be another brand. The catbacks fit fine and my h pipe is fine.

baine21225 · August 27th, 2009, 02:10 AM

Well metal tends to warp/do weird things after several heat cycles, and Mac is knows for this, I've read threads where the mid pipe is off as much as 2-3 inches per side and people have to pry/fangle it in

Chris951 · August 27th, 2009, 02:31 AM

Originally Posted by baine21225

Well metal tends to warp/do weird things after several heat cycles, and Mac is knows for this, I've read threads where the mid pipe is off as much as 2-3 inches per side and people have to pry/fangle it in

Well, my header at the #4 cylinder is warped. The bolts somehow came out and it sits off the head a little. I'm probably gonna go with BBk for headers now on. My h-pipe fits perfect though. Maybe its just because my headers/mid pipe are both mac lol. I tried putting my friend's BBK h-pipe on for emissions and it didn't line up right at the headers

347Strokr · August 27th, 2009, 07:54 AM

I think that I have found the problem. The picture below on the left is the setup that I need (79-93), the one on the right is the one that I have (94-95). Because of the inlets on the chamber, the pipes have to come in at a greater angle, not allowing them to fit in the crossmember humps. I guess the dude lied, when he said that they were installed on an 88 LX. I reckon that I will have to go kick his ass, brb.

superbean · August 27th, 2009, 08:56 AM

Well shit. Best bet is to hit up and exhaust shop, and bring the collectors. have them mock up the prochamber unit in place, and cut to fit. That's what I've had to do On two of my shorty h pipes, doesn't matter what brand, these cars are all old and none of them are the same lol

baine21225 · August 27th, 2009, 10:58 AM

Well good luck with it

The Novice · August 27th, 2009, 11:39 AM

Thats sucks, did you buy it on craigslist or ebay or something? If nothing else at least it was a semi-cheap life lesson, always try to double check to make sure the stuff fits on your application.

Hopefully ya can figure something out or return it.....

93hatch · August 27th, 2009, 12:18 PM

got my prochamber and its fits perfect, but its for lt's so its fairly short

baine21225 · August 27th, 2009, 12:26 PM

93hatch, what do you think of a wrx(non sti) hitting 180 mph

sickfox · August 27th, 2009, 12:35 PM

93hatch · August 27th, 2009, 12:40 PM

Originally Posted by baine21225

93hatch, what do you think of a wrx(non sti) hitting 180 mph

especially stock dude, 225hp -25% drivetrain loss

baine21225 · August 27th, 2009, 01:17 PM

Originally Posted by 93hatch

especially stock dude, 225hp -25% drivetrain loss

it has a small turbo, but still with drag, downforce etc.....its goign to take a lot to get there

93hatch · August 27th, 2009, 01:26 PM

not gona happen or even come close my friend

baine21225 · August 27th, 2009, 01:33 PM

my thoughts exactly

93hatch · August 27th, 2009, 01:43 PM

my thoughts are exactly about penis in or around my mouth, i mean her mouth

baine21225 · August 27th, 2009, 01:55 PM

I can't say that I'm surprised

August 26th, 2009, 10:30 PM	#1
347Strokr Regular 91 LX Notch Join Date: Jan 2009 Location: Colorado Springs, CO Posts: 55 iTrader: 0 reviews	Help with Prochamber I have a 91 LX body with a T-5 tranny. I have shorty headers, but I am having trouble getting the Prochamber to fit within the crossmember humps. When the downtubes are bolted up, they hang just below the crossmember mounting points. The guy I bought the exhaust from, says that it was mounted in an 88 LX. Any suggestions? Is there a difference automatic and manual crossmembers? __________________ http://www.sinisterstangs.com Last edited by 347Strokr; August 26th, 2009 at 10:41 PM.

August 26th, 2009, 11:35 PM	#2
baine21225 MM Fanatic Join Date: Jun 2007 Location: Baltimore, MD Posts: 4,349 iTrader: 1 reviews	The problem is that it's a Mac product, there fore its a cheap, shitty fitment......these type of problems are not uncommon __________________ "That's how Dad did it, that's how America does it... and it's worked out pretty well so far..."

August 27th, 2009, 02:10 AM	#6
baine21225 MM Fanatic Join Date: Jun 2007 Location: Baltimore, MD Posts: 4,349 iTrader: 1 reviews	Well metal tends to warp/do weird things after several heat cycles, and Mac is knows for this, I've read threads where the mid pipe is off as much as 2-3 inches per side and people have to pry/fangle it in __________________ "That's how Dad did it, that's how America does it... and it's worked out pretty well so far..."

August 27th, 2009, 07:54 AM	#8
347Strokr Regular 91 LX Notch Join Date: Jan 2009 Location: Colorado Springs, CO Posts: 55 iTrader: 0 reviews	I think that I have found the problem. The picture below on the left is the setup that I need (79-93), the one on the right is the one that I have (94-95). Because of the inlets on the chamber, the pipes have to come in at a greater angle, not allowing them to fit in the crossmember humps. I guess the dude lied, when he said that they were installed on an 88 LX. I reckon that I will have to go kick his ass, brb. Attached Thumbnails __________________ http://www.sinisterstangs.com Last edited by 347Strokr; August 27th, 2009 at 07:58 AM.

August 27th, 2009, 08:56 AM	#9
superbean Hardcore Enthusiast 1998 Cobra 13.24@105.66 Join Date: Aug 2008 Location: North Carolina Posts: 1,778 iTrader: 0 reviews	Well shit. Best bet is to hit up and exhaust shop, and bring the collectors. have them mock up the prochamber unit in place, and cut to fit. That's what I've had to do On two of my shorty h pipes, doesn't matter what brand, these cars are all old and none of them are the same lol __________________ weeee foooord!

August 27th, 2009, 12:17 AM	#3
Chris951 Hardcore Enthusiast 1991 mustang 5.0 Join Date: Aug 2007 Location: Mesa, AZ Posts: 1,938 iTrader: 0 reviews	My Mac o/r h-pipe fits perfect.

August 27th, 2009, 10:58 AM	#10
baine21225 MM Fanatic Join Date: Jun 2007 Location: Baltimore, MD Posts: 4,349 iTrader: 1 reviews	Well good luck with it __________________ "That's how Dad did it, that's how America does it... and it's worked out pretty well so far..."

August 27th, 2009, 11:39 AM	#11
The Novice Hardcore Enthusiast 87 Mustang GT T-top Join Date: Jul 2007 Location: Grand Rapids, MI Posts: 1,149 iTrader: 0 reviews	Thats sucks, did you buy it on craigslist or ebay or something? If nothing else at least it was a semi-cheap life lesson, always try to double check to make sure the stuff fits on your application. Hopefully ya can figure something out or return it.....

August 27th, 2009, 12:18 PM	#12
93hatch Banned 1992 Lx 11.39@119.24 Join Date: Jan 2008 Location: Az Posts: 11,644 iTrader: 0 reviews	got my prochamber and its fits perfect, but its for lt's so its fairly short __________________ [QUOTE=93mustank;2577445]We speed tested my right arm for quickness in shifts... So he could design the cam for proper shift recovery.[/QUOTE]

August 27th, 2009, 12:26 PM	#13
baine21225 MM Fanatic Join Date: Jun 2007 Location: Baltimore, MD Posts: 4,349 iTrader: 1 reviews	93hatch, what do you think of a wrx(non sti) hitting 180 mph __________________ "That's how Dad did it, that's how America does it... and it's worked out pretty well so far..."

August 27th, 2009, 01:26 PM	#17
93hatch Banned 1992 Lx 11.39@119.24 Join Date: Jan 2008 Location: Az Posts: 11,644 iTrader: 0 reviews	not gona happen or even come close my friend __________________ [QUOTE=93mustank;2577445]We speed tested my right arm for quickness in shifts... So he could design the cam for proper shift recovery.[/QUOTE]

August 27th, 2009, 01:33 PM	#18
baine21225 MM Fanatic Join Date: Jun 2007 Location: Baltimore, MD Posts: 4,349 iTrader: 1 reviews	my thoughts exactly __________________ "That's how Dad did it, that's how America does it... and it's worked out pretty well so far..."

August 27th, 2009, 01:43 PM	#19
93hatch Banned 1992 Lx 11.39@119.24 Join Date: Jan 2008 Location: Az Posts: 11,644 iTrader: 0 reviews	my thoughts are exactly about penis in or around my mouth, i mean her mouth __________________ [QUOTE=93mustank;2577445]We speed tested my right arm for quickness in shifts... So he could design the cam for proper shift recovery.[/QUOTE]

August 27th, 2009, 01:55 PM	#20
baine21225 MM Fanatic Join Date: Jun 2007 Location: Baltimore, MD Posts: 4,349 iTrader: 1 reviews	I can't say that I'm surprised __________________ "That's how Dad did it, that's how America does it... and it's worked out pretty well so far..."

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