I have been working with Jon from Goopy Performance on and off for many years. Many times we have different views, but when he comes up with something that works, well I have no choice but to post some of my results and experiences. Jon has perfected a way of resurfacing used rotor housings. I mean this is pretty impressive considering most of us throw away rotor housings that he brings back to life. I will post pics of before and after.



Back in late 2007 Jon came over to me and asked me to try some crappy rotor housings he had resurfaced. I looked at them and said "Jon this will not work" Jon said: "Ito just try them". To give you guys an idea, those housings were grooved pretty bad by the outer edges of the housing and the trailing plug area were full of vertical grooves .(a common problem) and pretty much garbage. I Put 1 engine together using his used resurfaced housings with New oem 2mm apex seals. After 200 miles of driving I gave the engine a compression test @ 195 degrees of coolant temp. The engine gave me 125-128 psi with a conventional compression tester.



Since then I have put a few engines together with Jon's resurfacing. The better the housings are to start with, the better the results. The FIRST THING I NOTICE IS THE REALLY GOOD FLAT SURFACE after the resurface. On my last engine I did a compression test and pulled 131-132psi using his 2mm apex seals. I was stunned to say the least. I'm here applauding Jon from Goopy performance not for perfecting this resurfacing on other wise rotor housings we would have thrown in the garbage, but for his continued hard work to improve all kinds of minor and great details this engine has to offer.



for info. you could pm me.. I'm a skeptic that turned into a believer. congrats Jon.

pics of before.





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AFTER



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enjoy

What dose he charge for the resurface?

price is 125.oo includes the cleaning..

people price is 125.00 per set. you could call him direct or make arrangements with me. includes the cleaning of rotor housings.

That’s a very reasonable price!

finally, something useful that i'm actually in time to use. it's a very, very reasonable price. is this just a standard resurface, meaning he's just using the standard OEM material or is it something else?

****.... i've got a pile of old housings lying around... might have to give him a call.

to my knowledge it's a grinding of the factory material to bring back a working flat surface.

this is really a life saver on those old housings. good idea Jon came up with..

awesome! perhaps even more important is what this means for 12A guys.