Header Coating and Water Pump Problem - Twofer!
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Header Coating and Water Pump Problem - Twofer!
Two for one!
Trying to knock down some heat ...
Headers failed on my Dually so I sent them back to Thorley for a replacement set. Now they only sell them with the aerospace coating (resin + aluminum dust and baked). So I talked them into sending my PC T-4 header and pipe over to the aerospace facility in LA that does the coatings for Thorley. The engineer at Thorley said the coating reduced underhood temps by 400 degrees. Pipe looks great. BTW, I believe the engineer. After I put those headers on years ago I can't keep stuff working under the hood. Everything has a short life. Talked to some mechanic friends who have had the same experience ...
However, the T-4 fitment, combined with the Fluidyne radiators fitment, and the 4.6 IMS tank fitment somehow caused a change in one radiator hose. No matter what I tried the hose rubs on the pipe. So I've taken the water pump off and am in the process of cutting, grinding, and welding back together the exhaust outlet for the water pump. Will post After photo when I get it all back together. Here's the Before photo.
Between the Fluidynes, the ceramic coating, and the Evans I should be able to use this thing for an irrigation pump without heating issues.
Trying to knock down some heat ...
Headers failed on my Dually so I sent them back to Thorley for a replacement set. Now they only sell them with the aerospace coating (resin + aluminum dust and baked). So I talked them into sending my PC T-4 header and pipe over to the aerospace facility in LA that does the coatings for Thorley. The engineer at Thorley said the coating reduced underhood temps by 400 degrees. Pipe looks great. BTW, I believe the engineer. After I put those headers on years ago I can't keep stuff working under the hood. Everything has a short life. Talked to some mechanic friends who have had the same experience ...
However, the T-4 fitment, combined with the Fluidyne radiators fitment, and the 4.6 IMS tank fitment somehow caused a change in one radiator hose. No matter what I tried the hose rubs on the pipe. So I've taken the water pump off and am in the process of cutting, grinding, and welding back together the exhaust outlet for the water pump. Will post After photo when I get it all back together. Here's the Before photo.
Between the Fluidynes, the ceramic coating, and the Evans I should be able to use this thing for an irrigation pump without heating issues.
Last edited by Bump on Fri Feb 13, 2009 5:12 am; edited 1 time in total
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Re: Header Coating and Water Pump Problem - Twofer!
Never heard that before, I like it, would make an awesome irrigation pump prime mover! You could spin one heall of pump.Bump wrote: I should be able to use this thing for an irrigation pump without heating issues.
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Irrigation Pump
I heard a long time ago that the original engine for the 550 Kawasaki Jet Ski was an irrigation pump in Japan. Not sure it's true. I used to ski with a guy at Parker whose father invented what became the Jet Ski.
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Re: Header Coating and Water Pump Problem - Twofer!
Cool, this guy? http://en.wikipedia.org/wiki/Clayton_Jacobson_II
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That's him
His son is named Clayton as well. The old man travels a lot. If you are familiar with Parker his house is the one directly upriver from Sundance bar. It has a grass roof on the house and a launch ramp for his turbo prop sea plane. The guy lives pretty large.
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Re: Header Coating and Water Pump Problem - Twofer!
How much did it cost to have your Header coated?
BTW, I believe the engineer. After I put those headers on years ago I can't keep stuff working under the hood. Everything has a short life. Talked to some mechanic friends who have had the same experience ...
What do you mean by the above statement?
BTW, I believe the engineer. After I put those headers on years ago I can't keep stuff working under the hood. Everything has a short life. Talked to some mechanic friends who have had the same experience ...
What do you mean by the above statement?
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Cooking parts ...
AURORA wrote:How much did it cost to have your Header coated?
I paid $70. I masked off the male ends of the slip fits. They did the rest. I can touch it while it's running - it's still hot but not insta-burn like before. I really wanted to avoid an added mechanical device: i. e. a fan. Ideally, all the changes were ones I wanted to be static so no failure. I called Pro Circuit and spoke with two engineers there about what to do. And I spoke at length several times with a couple of engineers at Thorley, plus a friend who works with the stuff at a high end machine shop in LA (I'm from LA). All said wrapping the pipe was a bad way to go. The pipe tubing just isn't really chosen with the parameter of having a blanket on it and the resultant rise in operating temperature.
I went overkill on this with the NPG-R, Fluidynes, and coated header but I want this bike to be happy no matter what I'm doing. That said, I took my time looking for the radiators and found a new set for $200. I like riding in the desert in the Summer because it's really empty out there. But the temps are often 120ish. Saw 134 once at Parker. And I also want the BRP to be happy as I put around behind my kids.
Gene Lane just uses NPG+ on his race bikes and has no problems ever whether he's racing or play riding.
"BTW, I believe the engineer. After I put those headers on years ago I can't keep stuff working under the hood. Everything has a short life. Talked to some mechanic friends who have had the same experience ..."
After I installed the uncoated headers a lot of parts started failing under the hood of my 1991 Chevy Crewcab Dually (last year of old body style). I mean everything: two power steering pumps (brakes run off the pump in this year), two cruise controls, two alternators, one water pump, two distributors (the electronics failed), two electric fans, one battery, one air conditioning compressor (by this point I understood the problem and didn't replace the AC until the new headers were on), several sensors and chingaderras. All this happened in about 35K miles. A friend who owns a repair shop said he put them on his dually and had the same problem. He actually made some aluminum heat shields for some of his components.
What do you mean by the above statement?
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