Taco

iTrader: (1)

Just need some basic info.

1) Crossover (H or X-pipe) vs. No crossover in a true dual setup?
a)Why or why not

2) Crossover location... Does it matter, how much and what will happen with a "badly located" crossover?

3) Which is worse, no crossover at all vs. a "misplaced" one?

I'll explain later...

Taco

iTrader: (1)

Enny-Body??

Taco

iTrader: (1)

Hate to keep bumping, but I need to know these as quickly as possible!!!

Thanks in advance!

Torque_Wrench

iTrader: (13)

Listen.....you need to install a crossover pipe (balance pipe) when you convert to true duals, to equalize the exhaust pulse pressure between the to pipes (bank 1 and bank 2). Otherwise your exhaust pulses will be out if sync and cause a stumbling or miss.

I find that a H pipe is easy to install and solves the out of sync problem, but the use of an X Pipe does the same but I have noticed an increase in low end torque with use of an X pipe.

As far as the proper location of the balance pipe.....ahh I have no idea. I place them generally about 1 foot further back than the collectors of the headers.

Taco

iTrader: (1)

Thank you.

Any others?

ChocoTaco369

i'm going to have to refute this claim. generally, an H-pipe will provide better low-end power where an X-pipe is generally better for top-end. i've seen a dyno of a mustang that switched from an H-pipe to an X-pipe. the H-pipe outperformed the X-pipe all the way to ~5,000 rpm's where the X-pipe started to produce a few more horsepower. i doubt the LS1 will act any differently. the X-pipe is for peak horsepower, the H-pipe is for sound depth and low-end.

staringback05

iTrader: (8)

taco> chocotaco?......taco<chocotaco?......hmm im confused

Taco

iTrader: (1)

I was planning on an H-pipe anyway.

What the deal is is this...

Took my car to muffler shop. Told muffler guy I wanted duals run like this (showed him on car while car was on lift). I said I want an H-pipe where ever is best for an h-pipe to be...

Pick my car up...

Muffler guys help (he's not there!!!): "We didn't have room between the pipes to put you an H pipe in there, so it's just 2 pipes all the way back...

Metrying to remain civil)............. Ummm, OK.....

I leave since the guy that runs the place (and does the work) wasn't there anyway.

I like the sound but I know it's wrong, what I was asking is HOW and do what degree is not having a crossover at all going to compare to an H pipe that is in the "wrong" place?

Taco

iTrader: (1)

Right now... ME<all...

jmm98LS1

iTrader: (28)

Uh, who told you that? You won't have stumbling or a miss because you have duals with no merge. Most muscle cars of the 60s/70s with duals didn't come with a merge in the exhaust. I've got duals on my truck with no merge (banks 1 & 2 never intersect) & it runs great. What a merge does first & foremost, X or H, is promote the scavenging process. It also balances the exhaust pulses between banks, but this isn't something that needs to be done for the motor to run correctly. As for optimum placement, I've always heard rule of thumb is around 18-20" from the collector, but that's not always possible. Putting it too far back won't hurt anything, but the scavenging effect would be minimal if any at all.

Taco

iTrader: (1)

Can you put one too far forward?

The deal is, the pipes are BOTH run on the passenger side of the torque arm. There really is very little room between them.

Will it hurt to put the "H" right where the come together?

jmm98LS1

iTrader: (28)

That should work fine, the merge on my camaro's duals is right at the tailshaft of the transmission.

ChocoTaco369

chocotaco >> all. it's not his fault.



you're really getting creative with those avatars aren't you?

bullshit. take it back and bitch. you told them what you wanted and they didn't do it. you better not pay them an extra dime to fix that ****. many people on this site have an H-pipe merge. make sure they fix it. you do NOT want straight-piped duals with no crossover. get a pic of someone's duals on this site and rub it in their face.

Taco

iTrader: (1)

OK... thanks fellers, I knew I could count on y'all!!!

Back to the muffler shop I go!!!

Taco

iTrader: (1)

Oh no... there will be no more moneys exchanged on this job!!!