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Hey guys I'm wondering what brand of poly/uhmw is the tuffest or best for running dry? This boat that is getting a new sheet of poly is a powerhouse and will run dry all day long. So slickness isn't so much of a issue as longevity. Just wondering witch brand will last the longest? The poly on...

So i'm running two different style CHT sending units on my IO-540. One is a probe style that screws into the cylinder. And the other is a washer style on a sparkplug. I've put them in boiling water and they both read 220 degrees. The gauge i'm useing is a VDO. So when i'm running my boat the...

My IO-540 has the air bleed type injector nozzles with the letter A stamped on them. And they are the kind with the little tube on the shroud. I would like to get rid of the tubes on my engine that run to a collector. I'm not running a turbo. Do any of you guys know if i can order just the...

Looking to purchase a new set of plug wires for a 540 who should i call? I forgot to mention that it is aftermarket automotive style that i'm looking for. Phone #'s would be great. Thanks

My IO540-A1A5 is popping and back firing at above idle. All i have done to it is changed the plugs(Champion D14's - 22 gap). Thinking it was the mags. I rebuit the mags everthing but coils. the coils are 1 year old and look great. Gaped the pionts at 18. Timing is set at 23 berfore TDC. I...

If a guy was to convert a 8 cylinder Cont gpu with A/C cylinders - gitso's or 520's, dual mags and injection. What would be your best guess on HP that this engine would produce? And what would one of these things weight? I have heard the 8 cylinders are gas guzzlers and kind of a dog. The...

Hey guys please refresh my memory. What is the gap on a D14 plug. There going in a IO540 THANKS.

hello I'm looking for a countersink tool with a collar? (so i don't countersink to deep) I tried Classic but theirs doesn't have the collar. Anybody know where i can buy one? Thanks Jerry

Hello i am hoping you guys can point me in the right direction. I'm looking for a 149 tooth lycoming flywheel. It doesn't have to be new a good used one will work also. Thanks for your help.