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Kirkham Motorsports

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  #1 (permalink)  
Old 11-28-2021, 11:45 AM
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Default Stainless steel side pipes

Iím looking for a set of side pipes for a 428 powered ERA. I would like SS, but if thatís not an option, I could do regular steel. I tried GasNPipes but they canít get the SS tubing for the primaries. Iíve been waiting over a year. ThanksÖ
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Old 11-28-2021, 01:50 PM
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GP Headers fabricated headers for my Cheetah. I fabricated the side pipe portion, but I suspect they can do whatever you need.

This shows the mock up I sent them and their finished work.
Dwight, rads42, 1985 CCX and 3 others like this.
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Old 11-30-2021, 04:01 AM
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Very cool mockup jig for the headers Tom. What did you use for the moveable joints?

Jason
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Old 11-30-2021, 04:26 AM
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Quote:
Originally Posted by jasonmckay View Post
Very cool mockup jig for the headers Tom. What did you use for the moveable joints?

Jason
GP Headers sent all the metal parts of the mock up. All I had to do was add common PVC pipe cut to length, set the elbow angles and lock everything in place. Header clearances on my car were very tight and the finished headers fit like a glove.

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Old 11-30-2021, 08:49 AM
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Simply ingenious way to measure!!!
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Old 11-30-2021, 09:27 AM
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Is #8 tube longer for a reason......
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Old 11-30-2021, 04:15 PM
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Quote:
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Is #8 tube longer for a reason......
Yes, to clear the steering column. .. This is a hot rod rather than a track car, so optimizing the exhaust length was not a priority.
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Old 12-01-2021, 06:07 AM
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Looks like the company sends you the moc parts. Then they MFG the units?
Very cool....
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Old 12-01-2021, 06:51 AM
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Quote:
Originally Posted by sea2jet View Post
Iím looking for a set of side pipes for a 428 powered ERA. I would like SS, but if thatís not an option, I could do regular steel. I tried GasNPipes but they canít get the SS tubing for the primaries. Iíve been waiting over a year. ThanksÖ
If you can get Georgie @ Gas-N to tell you the center-line radii he needs for the inboard and outboard tubing to correctly nest them, these folks can make the tubing bends he needs.https://russellstubeforming.com/rota...ding-services/

IF he doesn't know the radii used (hard to believe)then he can at least tell you the gap between the pipes needed for the merge collector then the radius of each pipe can be calculated.
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Old 12-02-2021, 06:33 AM
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I had a race car builder make mine locally, Got him the Classic Chambered mufflers I wanted and he built the rest from stainless. Obviously you canít get to him but thereís probably someone in your area.
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Old 12-06-2021, 07:11 AM
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Georgie frequents this board so hopefully he will reply. I’ll bring it to his attention as well.
He used my ERA pipes to create a fixture, just can’t get the tubing to create them.
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Old 12-06-2021, 09:04 AM
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Georgie and his crew were in our shop over the weekend prototyping more Superformance parts (we will have both MK II [289] and MK III [427 chassis]) headers, side pipes and UNDERCAR exhausts! Multiple header flange types to properly fit the common exhaust port sizes and styles will be available. The flanges they use are thick and allow proper torque on the header bolts.

Georgie related the issues with supply chain currently, everyone seems to be affected and not in a good way.

Gas-N is a quality supplier that goes out of the way to produce a top shelf product.
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Old 12-12-2021, 04:53 AM
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On another note, when GasNPipes used my Stainless Specialties pipes to create a fixture for creating new ERA side pipes, they installed new mufflers. When I received them back freshly polished, there is welding splatter on them. Can anyone suggest the best way to remove it? Georgie is willing to address the issue but it involves me removing the pipes and shipping them back. I would rather try and do it myself and on the car. Thanks.
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Last edited by sea2jet; 12-12-2021 at 04:58 AM..
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Old 12-12-2021, 05:50 AM
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I would try a small chisel first to see if it will pop them off. If they are too ďweldedĒ on for that the you may need to take a small, fine file and file each one down flat. You could also try some fine Emory paper wrapped around something flat like a pop cycle stick but a small, fine file would probably do best. Then you have to start sending the area with whatever grit will remove the file marks - probably in the 180 to 320 range and progressively sand with finer grits down to about 2500. Then get a small buffer wheel and some compound for stainless and polish them out. Itís a lot of work. Iíve restored my share of stainless and aluminum trim but I use a buffer motor/big pads which speeds the polishing a lot.
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Old 12-12-2021, 02:33 PM
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Thanks DanEC, very much appreciatedÖ.
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Old 12-14-2021, 11:15 AM
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Shell Valley sells headers and side-pipes for 90" wheelbase cars with both big and small block choices. Unfortunately it doesn't look like they're offered in S.S. so you're out of luck there Sea2jet but I wonder if anyone has ever tried them on an ERA? I'm not in the market yet, but when I am I won't be looking for S.S. and they're priced reasonably.
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