NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   -   High Compression Turbo'd Motors.... (https://www.nopistons.com/single-turbo-discussion-13/high-compression-turbod-motors-26215/)

13BAce 10-11-2003 01:58 PM


Originally Posted by j9fd3s' date='Oct 11 2003, 10:35 AM
[quote name='13BAce' date='Oct 6 2003, 08:51 PM'] [quote name='j9fd3s' date='Oct 6 2003, 07:38 PM'] [quote name='1Revvin7' date='Oct 6 2003, 06:57 PM'] [quote name='j9fd3s' date='Oct 6 2003, 11:41 AM'] id use the s4 rotors, its not hard to get into detonation, we had the 20b pinging at 7 psi on 91 octane, this weekend.



my opinion is that unless you're right on with your tuning you're gonna be pulling the engine apart again



mike

What kind of intake temps are you seeing, and hows your timing look? [/quote]

well i looked at the timing and it was just flat after 3500rpms, 20+degrees https://www.nopistons.com/forums/pub...IR#>/blink.png [/quote]

That doesn't sound right. [/quote]

yah, we have a decent fuel map but the timing was just haltech base map over 3500, i fixed it is good now



mike [/quote]

Don't trust a base map! https://www.nopistons.com/forums/pub..._DIR#>/dry.png

coldy13 10-25-2003 08:16 PM

I'm using a stock 12a with a TII turbo, 2.5'' stainless exhaust, modded nikki carb, ported j-spec 12aT manifold, and no intercooler. Running 8psi and having no problems at all https://www.nopistons.com/forums/pub...IR#>/smile.png (other than the POS clutch that wont grip for ****)

Cheers! 10-26-2003 11:31 PM


Originally Posted by coldy13' date='Oct 25 2003, 08:16 PM
I'm using a stock 12a with a TII turbo, 2.5'' stainless exhaust, modded nikki carb, ported j-spec 12aT manifold, and no intercooler. Running 8psi and having no problems at all https://www.nopistons.com/forums/pub...IR#>/smile.png (other than the POS clutch that wont grip for ****)

no intercooler? 8 psi?



https://www.nopistons.com/forums/pub...R#>/unsure.png https://www.nopistons.com/forums/pub...IR#>/blink.png https://www.nopistons.com/forums/pub...1047683894.gif https://www.nopistons.com/forums/pub...IR#>/bigok.gif


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