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Rotary Tech - General Rotary Engine related tech section.. Tech section for general Rotary Engine... This includes, building 12As, 13Bs, 20Bs, Renesis, etc... |
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#1 |
RCC Addict
Join Date: Mar 2008
Location: Honolulu, Hawaii USA
Posts: 1,813
Rep Power: 19 ![]() |
I don't understand why you're having so much trouble with a non-turbo set-up...?
The "mistakes" you mention are all basically rookie mistakes that could've been easily prevented if you have made diligent checks. Blaming stuff like "spark plug boss growth" is almost - I'm sorry to say - BDC-esque, where you're grasping at straws looking for something to blame... Tuning the NA should be pretty quick and efficient. Messing around with spark plug heat ranges shouldn't be that big of a deal unless you're tuning on the ragged edge of reliability? (I thought this was a daily driver?) The fact that you're fighting "dirty" spark plugs implies that you're still running too rich, or your spark plug heat ranges are wrong - i.e. too cold. What's going on? -Ted |
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#2 |
Don Mega
Join Date: Dec 2008
Location: Utopia
Posts: 1,688
Rep Power: 18 ![]() |
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eons ago when I fucked around with N/A Peripheral Ports, inductive ignitions were the way to solve all the hassels with firing plugs, it was straight out of the Mazda factory racing hand book, however I was a broke ass like BDC and could not afford shit so inductive it was, and had similar nightmares like this bloke. < (well boxes of spark plugs changes anyway)
Inductive is garbage, always has been on rotaries always will be. Man Up and get a CDI system, you will long forget needing to change plugs (hot warm up) cold racing lol! one plug does ALL! and you never ever need to worry about fouling, CDI gets through ground shunts with ease, does not care about fouled plugs so it is made for very low air speed poor fuel mixing Peripheral Ports are natorious for. Leave inductive ignitions for the rookies and ass hat tuners. ![]()
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www.riceracing.com.au Worlds best Apex Seals Coil on Plug Water Injection ECU Calibration |
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#3 |
RCC Addict
Join Date: Mar 2008
Location: Honolulu, Hawaii USA
Posts: 1,813
Rep Power: 19 ![]() |
Okay, I had to go back and reread this whole thread...
I can understand if we're dealing with some "exotic" ported engine, like a PP, but the OP is using a regular side-port engine? The .sig just says "4-port NA"... So we're not dealing with some kinda massive port with air / fuel homogeneous mixture problems, right? -Ted |
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