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RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections.

 
 
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Old 05-08-2008, 07:57 PM   #36
Ender
rotors excite me
 
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Join Date: Mar 2008
Location: Iowa
Posts: 372
Rep Power: 18
Ender is on a distinguished road
~1500 miles on the rebuild and I'm still running stock boost. The other day ^^^, I ran 7.56 0-60 and 17 0-100, and that was with the twin scroll inactive because the banjo bolt was broken (no vacuum leak, I stuck a solid bolt in there). Yesterday, a nasty afterburn blew out my turbo to mani gasket AGAIN, GRRR (meaning that even after tightening the turbo down over the remnants, I cannot boost quite as well as before). Today, I tightened the turbo down and also fixed the twin scroll banjo bolt. Under pretty similar engine temp, weather conditions, and same place as that prior time trial, I ran 6.8 0-60 and 16.1 0-100. Both times had basically identical shift points as well, and while I think my technique improved slightly since the last time, there's no way I overcame less boost to get such better times.

In short:
A tad less boost, especially up high, yet with the twin scroll active, the car is faster. Sweet.

Oh, and today, after fixing my twin scroll I squawked the tires two different times going into second gear from high in first. I was never able to do that before. SWEET.
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'87 TII
240+ rwhp on my DIY streetport, ~13psi on stock turbo, Racing Beat REVTII exhaust
rTek 2.1 awaits a tune

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Originally Posted by need RX7
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Last edited by Ender; 05-09-2008 at 12:59 AM.
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