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Original Message
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| Here is new idea. |
| By James Dodson - 08/24/2002 11:57:16 PM; IP 152.163.194.214 |
All of us FE people have had to figure out what we were going to use for oil restrictors on the heads. I have always been told to use some all thread cut to length with a hole drilled in the middle of it. I once payed a machine shop to make me some but I found something very easy: 600 degree Nylon Allen screws.
You can buy them from any reputable bolt supply.
I got the idea from a machinist that had to do some work on a set of Pontiac heads. Pontiac Motor Division issued a bulletin on one of there six cylinder engines that over oils to the heads (sound familiar) and said to tap and drill the heads to accept these Nylon Allen screw that were rated at 600 degrees Ferin hieght.
I took this idea and simplified it. I drilled my 1/16 hole in them first and used a Allen wrench to hold them while I shaped them with a Dremil tool to a cone shape and just drove them in. I carefully kept shaping them until they were a press fit. Then, I just ground off the access with the Dremil so the rocker stand would fit right and bolted everything back in place. It works like a dream. I know that the grinding part wasn't a good idea so I put paper towels around so that I wouldn't contaminate the oil. It was so easy. I didn't have to tap anything and they can be removed very easily. The whole thing took me about an hour and a half. |
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