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Any 400+ horsepower cars driving around?

Old 03-11-2015, 12:00 AM
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There is no E85 available in out pumps, that is 93 oct with 10% Ethanol and water/meth injection.



And yes we do, my NA car has 160 HP is running at 13.3 AFR.
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Old 03-11-2015, 01:30 AM
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Bigger stones (or fatter wallet) than me. I shoot for 11.7:1 on 91 octane. 12.2:1 on 100 octane.
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Old 03-11-2015, 03:30 AM
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That Accent must've been slipping big time on the Dyno rollers. Torque is all over the place!
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Old 03-11-2015, 06:09 AM
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Thanks for the info. You've got to be pretty close to the Walbro's limit. A 67mm throttle body is good for 700-800whp. I'm sure the 90mm makes it hard to drive at low throttle.











As I've suspected before:



This proves that you don't need a $1500 built head to make 500whp!!!









However, I'm still installing a set of $80 valve springs in case of valve float.
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Old 03-11-2015, 06:40 AM
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Ohh wait, I forgot!



I do have OEm 4G63 valve springs, they measure about 12 lb more on our heads. if you don't trust then go with aftermarket, Crower are about $90.



Engendro has only Ferrea valve springs and retainers, video for reference.



[media]http://www.youtube.com/watch?v=tTs2mYCAexY&t=1m35s[/media]
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Old 03-11-2015, 06:58 AM
  #26  
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That's exactly what I bought. 4g63 springs from Crower. Paid $83.58 shipped.



The bigger question is what is he using for a transmission?
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Old 03-11-2015, 07:48 AM
  #27  
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I'm using stock X3 tranny and waiting for it to explode, Engendro uses a 2001 RD2 modified automatic transmission.
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Old 03-11-2015, 01:48 PM
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Juanra,



What clutch are you using that holds that much torque??
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Old 03-11-2015, 02:05 PM
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I has a 4 puck solid center ACT clutch and a custom made twin diaphragm pressure plate made of two Exedy Daikin.



Have in mine that I have a X3 tranny and that it is push not pull. The car does not have good tires and it there is no traction there is no clutch slip.
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Old 03-11-2015, 02:08 PM
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Did Exedy make that custom plate for you? Or did a local shop?
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