NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   Rotary Engine Building, Porting & Swaps (https://www.nopistons.com/rotary-engine-building-porting-swaps-55/)
-   -   Housings trash ? (https://www.nopistons.com/rotary-engine-building-porting-swaps-55/housings-trash-55582/)

fcpooter 12-07-2005 11:40 PM

Do you think these housing are trash? there is some chome missing on both outer edges of these housings do you it would be a was of seals or worth a try?

ArmyOfOne 12-08-2005 12:27 AM

My housings look about the same as yours and they are alive and kicking. All depends on what you want this engine for. They might not last another 100K miles. I would say use them with the 2 piece seals with the longer corner piece.

fcpooter 12-08-2005 12:45 AM

i just need it to get me by for right now.I had someone build me a motor for my T2 and i spend around 2k on it . it lasted 1200miles 200 after break in. blew @ 7psi WTF i dont know why yet maybe Bad gas ?poor port job? poor tuned=me but i was running it 11.0-10.8 and 16degrees@7psi....The motor smoked after rebuild he didnt replace the fuel injector o-rings,(they leaked ) reused my old intake gasket (after i had payed him for all new gaskets) AND took my turbo WTF! SO i am no longer planing on paying someone to rebuild my motor as i have 2 rotary cars FD,FC and am a mechanic. At first i was afraid of the Triange spinners and didnt have all the tools needed to spec the motor out now i do. Used housing can be a toss of the dice i know but im thinking it will at least build some decent compression after brake in. ANY advice would be great!!!! . but besides the condition of the housings i have mic'ed all clearances and all are within spec.

Lynn E. Hanover 12-08-2005 06:54 AM


Originally Posted by fcpooter' post='784715' date='Dec 7 2005, 10:45 PM

i just need it to get me by for right now.I had someone build me a motor for my T2 and i spend around 2k on it . it lasted 1200miles 200 after break in. blew @ 7psi WTF i dont know why yet maybe Bad gas ?poor port job? poor tuned=me but i was running it 11.0-10.8 and 16degrees@7psi....The motor smoked after rebuild he didnt replace the fuel injector o-rings,(they leaked ) reused my old intake gasket (after i had payed him for all new gaskets) AND took my turbo WTF! SO i am no longer planing on paying someone to rebuild my motor as i have 2 rotary cars FD,FC and am a mechanic. At first i was afraid of the Triange spinners and didnt have all the tools needed to spec the motor out now i do. Used housing can be a toss of the dice i know but im thinking it will at least build some decent compression after brake in. ANY advice would be great!!!! . but besides the condition of the housings i have mic'ed all clearances and all are within spec.





What broke?



The poor housing would be a problem in cold starts. Otherwise not a problem.



Lynn E. Hanover

fcpooter 12-08-2005 08:27 AM

Apex seal broke in center about 1/2 wide.

ArmyOfOne 12-09-2005 08:44 AM

Post up a picture of the exhaust ports. That may give us a clue of what may have caused it. If its good then a sharp edge can be ruled out.

fcpooter 12-12-2005 12:28 AM

it broke on a different motor


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