rebuild question experts help
04-22-05, 10:01 AM
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rebuild question experts help
ok so i was wondering about scoring the rotor housings and side housings to help compression. I know when you rebuild a piston engine that your suppose to sand down the cylinders to even the surface and help compression. Should you do the same thing to a rotary engine or is that a bad idea.
04-22-05, 12:09 PM
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its a REAL bad idea to do it yourself.... the surface has to be perfectly level... you'll never get it at home. You need to send them out to have them lapped.. Mazdatrix is one source that I know of.. there are several other competent shops that can do it as well..
It aint cheap, (like 60 bucks per FACE.. 4 faces, 240 bucks (and you really sould do all 4 at once)) but it beats the snot out of buying a new housing.
It aint cheap, (like 60 bucks per FACE.. 4 faces, 240 bucks (and you really sould do all 4 at once)) but it beats the snot out of buying a new housing.
04-22-05, 12:59 PM
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Originally Posted by YearsOfDecay
its a REAL bad idea to do it yourself.... the surface has to be perfectly level... you'll never get it at home. You need to send them out to have them lapped.. Mazdatrix is one source that I know of.. there are several other competent shops that can do it as well..
It aint cheap, (like 60 bucks per FACE.. 4 faces, 240 bucks (and you really sould do all 4 at once)) but it beats the snot out of buying a new housing.
It aint cheap, (like 60 bucks per FACE.. 4 faces, 240 bucks (and you really sould do all 4 at once)) but it beats the snot out of buying a new housing.
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04-22-05, 09:02 PM
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Originally Posted by wpgrexx
what does it cost for the nitriding of the end plates. Does it give it more thickness than the original nitrided surface?
Gas Nitriding can only "penetrate" so far. Last batch I had done was $150/100lbs. Then the plates had to be lapped, + shipping to and from each shop.
My P-Port front iron is at the lappers right now.
The thing to remember is that the amount removed from each iron is cumulative. It all "stacks" u. MAZDA REMAN LORE has it that a mana engine will use no more than 1 lapped plate.
04-23-05, 11:01 AM
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Originally Posted by banzaitoyota
Gas Nitriding can only "penetrate" so far. Last batch I had done was $150/100lbs. Then the plates had to be lapped, + shipping to and from each shop.
My P-Port front iron is at the lappers right now.
The thing to remember is that the amount removed from each iron is cumulative. It all "stacks" u. MAZDA REMAN LORE has it that a mana engine will use no more than 1 lapped plate.
My P-Port front iron is at the lappers right now.
The thing to remember is that the amount removed from each iron is cumulative. It all "stacks" u. MAZDA REMAN LORE has it that a mana engine will use no more than 1 lapped plate.
And to answer the rebuild parts question,
for sure replace the following,
apex seals and springs, corner seals and springs, and all internal soft seals, and a thermal pellet replacement plug. Probably a thicker front spacer too. And I would for sure get the housings lapped at a minimum, but I would highly recommend cermet b housings from JHB Performance, cheaper and better than new.
04-24-05, 10:14 AM
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