You need to phase the tailshaft correctly. you want angle. You have to make sure both flanges are parallel within .5 degrees. If the tailshaft is dead straight it won't allow the needle roller to move creating a flat spot.
JD
Headers finally finished. I ended up getting the face of the flange machined to make sure it was perfectly flat. They are now in being ceramic coated. Im pretty happy how they turned out. Not the ideal design for flow, but all i could make fit.
They did a really good job, coated inside and out. Only small problem is there were a couple of small areas where i had a blade break on the saw and leave scratches on the pipe. I regret not sanding these out as you can see them through the finish. Not a big deal though as they will be difficult to see when on the car.
Best way to keep those flanges straight when your welding them up is to find yourself an old head and bolt them up tight and weld them on when there rock solid... Ive seen people do this before its very hard to keep them straight unless you let them cool with them bolted up tight
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Originally Posted by Zedn
Got some more work done on the headers.
This is the drivers side. Very tight, and then throw in the steering shaft just to make it tricky!
Had to do a lot of pie cuts to get the tight bends.
I clamped them to a piece is 50x50x5 angle and a saw stand. The Flanges were not flat to begin with. I also fused around the ends of the pipe (head side) as due to the tight bends the pipes were not completely square on the end and I didn't wanted a smooth transition into the pipe.
I just had a local muffler shop skim a bit off to make sure they were flat. Wish I had a mill!
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