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Author Topic: X pipe  (Read 2570 times)

Jason Goldsack

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X pipe
« on: December 23, 2010, 12:40:43 PM »

I'm getting some HP manifold for helping my friend find NOS tips for his 6 pack fury..

I thought since I'm modifying my exhaust to fit the HP manifolds.. I might throw in an X pipe.

Where is the best place to put it?

Don't tell me to buy the TTI exhaust cause it's over a grand up here to get that exhaust..and that is not in my budget..


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Jason

(Eileen)1965 Chrysler Windsor, 361/727/2.76 16.49 @ 86 mph

Snotty

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« Reply #1 on: December 23, 2010, 12:43:51 PM »

The answer to this one will change from person to person, and shop to shop.  The only car I ever had a cross-over on it was right after the tail-shaft pof the transmission.  I know this much, it did balance the exhause well and made the car quieter.
 
I do have one question first?  Have you ever changed the spark plugs on a car with HP manifolds?  After doing so on Fogel's Hurst, I sold the HPs I had and want to go with headers.  But, that's just me....
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X pipe
« Reply #2 on: December 23, 2010, 12:43:56 PM »

Then why not look for a picture of the X exhaust installed that is from TTI and match it up that way. I believe, from what I recall, the X pipes are usually about six inches rearward of the front U joint, but verify it.
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Steve

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« Reply #3 on: December 23, 2010, 12:45:29 PM »

I had my exhaust done on Polaraco for 600 Bucks installed so you are right
 
Mine is X'd right past the forward U Joint.  Perfect place as the drive shaft pivot drop there is minimal
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Jason Goldsack

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« Reply #4 on: December 23, 2010, 12:52:39 PM »

I know it will suck to change the plugs.. but so was the plugs on the Big Block Aspen I had with header.s Had to change one side from underneath and through the inner fender.. big job..

The HP manifolds are going to be next to free and that is much cheaper than new headers..

I will be piecing the exhaust together myself.. so the cost is minimal.. just time..and a few bends


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Jason

(Eileen)1965 Chrysler Windsor, 361/727/2.76 16.49 @ 86 mph

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X pipe
« Reply #5 on: December 23, 2010, 02:53:02 PM »

With the hipo manifolds, I find it easiest to go from the front of the block and work backward under the manifold instead of crawling underneath. The hipo manifolds will do just fine for the street, they breathe better than most manifolds and are easily free breathing enough through 6000rpm.
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Jason Goldsack

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« Reply #6 on: December 23, 2010, 02:54:47 PM »

Anything is better than these log manifolds!!!!

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Jason

(Eileen)1965 Chrysler Windsor, 361/727/2.76 16.49 @ 86 mph

Steve

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« Reply #7 on: December 23, 2010, 04:25:14 PM »

Probably better off with the logs for all the trouble those headers can be
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Steve

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« Reply #8 on: December 23, 2010, 04:29:55 PM »


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Jason Goldsack

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« Reply #9 on: December 24, 2010, 02:16:55 AM »

I'm not gonna run header.. running HP manifolds

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Jason

(Eileen)1965 Chrysler Windsor, 361/727/2.76 16.49 @ 86 mph

Rich

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« Reply #10 on: December 25, 2010, 08:42:57 PM »




krautmaster2010-12-26 01:43:22
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Steve

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« Reply #11 on: December 25, 2010, 08:49:18 PM »

Yeah Rich. . .   I agree.  Mines in a pretty good spot.  With the axle dropped, there is still about 2 inches to the pipe.  But my trans may sit higher and is longer than a 727 by 2".  It's a 518 I'm showing there in Polaraco
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Jon Doersch

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« Reply #12 on: December 30, 2010, 11:32:06 AM »

For the best scavenging effects and power, you want to keep the crossover as close to the engine as possible so that the exhast gasses are as hot as possible when they merge, but as everyone has already alluded too, packaging constrainsts will dictate...just try and keep it as far forward as possible.
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Bill

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X pipe
« Reply #13 on: December 30, 2010, 12:23:14 PM »

If all you're trying to do is balance exhaust pressure why not just go old school H pipe?
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firedome

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« Reply #14 on: December 30, 2010, 03:21:28 PM »

That is a very good point... from the standpoint of Physics it will
work just as well. It increases torque at minor expense to top end
horsepower.

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