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/)
-   -   $375 Engine Pinning In Minnesota (https://www.nopistons.com/rotary-engine-building-porting-swaps-55/375-engine-pinning-minnesota-47074/)

Zero R 04-16-2005 08:13 PM

I have been setup to do this for awhile I guess I should try and get on here more.

GMON 04-18-2005 08:27 AM

[quote name='Zero R' date='Apr 16 2005, 05:13 PM']I have been setup to do this for awhile I guess I should try and get on here more.

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Little more info please. Like what part of the country do you live in?

GMON 06-01-2005 01:14 AM

Update



Ideas have come and gone and here is where we are at. These pics are just testing the limits.

GMON 06-01-2005 01:15 AM

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GMON 06-01-2005 01:15 AM

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GMON 06-01-2005 01:16 AM

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GMON 06-01-2005 01:16 AM

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diabolical1 06-01-2005 02:19 AM

Greg,

i stay impressed with your perseverance and attention to details. i'd love to come in on this with you, but sadly, i'm way out of pocket until i finish school.



Jason

GMON 06-02-2005 02:27 PM

Just got a call from CletusFD3s. They said his engine is done....Now he just needs to pay for the thing and Ill post some pics.



His cost $500 for 6 pins. Also, they said the FD block had WAY more room for the pins than did the s4 block I gave them for testing..... Should be effing bulletpoof once we get the tune spot on..... https://www.nopistons.com/forums/pub...1047683473.gif





Now, got to figure out what the next project for them will be. Thinking light rotors or a two peice e-shaft with a hydro bearing in the middle. https://www.nopistons.com/forums/pub...1047683561.gif



Anyways Im pretty stoked.





GregW

BDC 06-02-2005 02:59 PM

Like we chatted about on AIM Greg, I'd like to know the difference in engine knock chamber pressures vs. that of a very high horsepower engine producing high chamber pressures. It seems to me that for anything under several hundred horsepower, this might not be useful. From what I understand, the necessity for pinning an engine in this manner is to prevent rotor housing to iron housing deflection. Anybody happen to have any experience with 500+hp setpus that produced actual deflection not from engine knock?



The cars 've tuned so far haven't ever exhibited this but I have seen busted dowel lands as low as ~300's rwhp due to engine knock.



B


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