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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 08-17-2010, 10:54 AM   #14
FerociousP
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Quote:
Originally Posted by RotaryDiagnostics View Post
Here's a sheet from a recent dyno run. Car has a BNR Stage 1 turbo, 750cc RC secondaries, 3" RB REV-II turbo-back exhaust system, Supra TT fuel pump, Bonez intake, and Apexi S-AFC II tuning.

Tried the Rtek 1.7 chip, but the tuner could not get a safe AFR, so had to revert to a stock ECU and rely on the S-AFC for tuning. Engine runs awesome on the track. It does have an intermittent starting problem and a bit of a rough idle, which I will address during the off season. May try chipping a different ECU.
I have the same setup just with a stock turbo and no S-AFC. What issues did you attribute to the RTEK 1.7 that were fixed with the stock ecu? or was it just you couldn't tune with it?
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'15 Juke Nismo
'06 MX-5 GT SOLD
'04 S Silver RX-8 GT Track Day Use SOLD
'90 Black TII vert w/ Sprint RE stock port/turbo DD dyno (242.6whp@5500rpm @12psi 8psi@redline) and (250ftlbtq@4800rpm @13psi) SOLD
'89 GTUs 6p TII SOLD, '87 sport SOLD, '79 SA stock SOLD
'91 B2600i 4x4 w/ Rx-8 LSD SOLD
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