Single Turbo RX-7's Questions about all aspects of single turbo setups.

What RWHP you guys putting down on pump gas?

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Old 05-31-07, 11:33 PM
  #126  
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Unhappy

Originally Posted by dhahlen
RIP Dave
yea that was definitely an unfortunate event.
Old 06-01-07, 09:30 AM
  #127  
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Originally Posted by crispeed


Rob!
The problem is that a lot of people believe everything they read in here is written in gold and when someone proves different they all turn into the biggest haters.
Remember according to the rotary bible you can't make high horsepower with stock apex seals or if you rev your stock apex seal motor above 8000 rpm's it's gonna blow and the one I love the most is that you can't run more than 15 psi on pump gas.
I guess that makes you, me and others sinners for trying and proving them wrong!
BTW. I have lost count of how many cars I have running reliable at 20psi on pump 93 octane one of which made 515rwhp/422RWTQ at 20 psi and also runs at 22psi most of the time which also happens to be a 2nd gen running with a low tech Holley carb.
Hehe...I've lost count of how many times you've made that statement.
When I dynoed 48x.rwh I was trapping ~127-128mph on 93-94octane.
With a T70 turbo it trapped 130-131mph on Sunoco94 @ 20-21psi on a nice toasty day.
All possible with 9.0:1 compression rotors, for the guys with 8.5:1 compression rotors it should be easier.

JD
Old 06-01-07, 10:15 AM
  #128  
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Originally Posted by Boostn7
Hehe...I've lost count of how many times you've made that statement.
When I dynoed 48x.rwh I was trapping ~127-128mph on 93-94octane.
With a T70 turbo it trapped 130-131mph on Sunoco94 @ 20-21psi on a nice toasty day.
All possible with 9.0:1 compression rotors, for the guys with 8.5:1 compression rotors it should be easier.

JD
got a new *special RR comp* motor getting balanced and going together soon, and once I actualy ever get my turbo from chris it will do 140mph on pump (with a little water) on full street/circuit track set up

rwhp? well you go figure that one out :P

Jakes capella will trap 140++mph easily should be hitting the strip in not too distant future

All the serious *gasoline* motors are 8.5:1 or lower
Old 06-01-07, 06:04 PM
  #129  
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Originally Posted by RICE RACING
got a new *special RR comp* motor getting balanced and going together soon, and once I actualy ever get my turbo from chris it will do 140mph on pump (with a little water) on full street/circuit track set up

rwhp? well you go figure that one out :P

Jakes capella will trap 140++mph easily should be hitting the strip in not too distant future

All the serious *gasoline* motors are 8.5:1 or lower
Just curious, what do these cars weight w/ driver?

Low compression and water injection:-).....how low in compression have you experimented with?


JD
Old 06-01-07, 08:43 PM
  #130  
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Originally Posted by Boostn7
Just curious, what do these cars weight w/ driver?

Low compression and water injection:-).....how low in compression have you experimented with?


JD
The r100 on previous post that ran 131.65mph is 2535lb
The capella is 2600lb
My SP will be 2780lb

My new engine is around 7.8:1 compression ratio, the capella is 8.5:1.
Just started going down this path realy and the results have been great, now I have a bloke with a decent balancing machine I can do even more rotor mods & finaly give the engines the *correct* static compression ratio for the boost & power levels I like to run and most importantly retain reliability in all conditions.

All on normal fuel too

p.s. the majority of previous cars have all been 9.0:1 comp on water injection and pump fuel all running around 580 to 600bhp, the 8.5:1 version is around 730 to 750bhp ........ (these are the reliable limits)
Old 06-01-07, 11:42 PM
  #131  
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are you just encreasing the dish in the rotors? is this an effect of scallping the rotors or something else

in refrence to the lower comp that is
Old 06-02-07, 01:06 AM
  #132  
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Originally Posted by CrackHeadMel
are you just encreasing the dish in the rotors? is this an effect of scallping the rotors or something else

in refrence to the lower comp that is
Modifying the dish on T2 low comp rotors, the pockets are quite rough and if you know what to do its achievable to modify the pocket/make it more uniform/equal and reduce the comp down to a level that is more suited. Problem is you need to rebalance as about 30 to 50 grams is removed, worth it though.

I modify te pocket alot, if i ever get around to it i will post a pic or two
Old 06-02-07, 11:07 AM
  #133  
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awaiting the pics of the modified rotors ..looking forward to it
Old 06-03-07, 12:08 AM
  #134  
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So this is alot more than just polishing the tub?
Old 06-03-07, 03:45 PM
  #135  
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off topic.....

Originally Posted by dhahlen
RIP Dave

you are kidding right????

George
Old 06-03-07, 03:52 PM
  #136  
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never mind.....

RIP dave... we talked so much on split timing and ignition......

I was not aware of this sad demise.

Back to topic and sorry for the hijack there.....

Shocked.

George
Old 06-03-07, 07:50 PM
  #137  
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was making 258rwhp on 12psi of boost. series 5 13BT motor, stock turbo, stock ECU, piggyback fuel computer, FMIC, and 3" exhaust.. now running 15psi and i'm getting it dyno'd soonish so i;ll let you know how i go

it's all in the tune.. hoping to crack 300rwhp with just a computer (replace dizzy with individual coils, and then tune)

it's all in the tune
Old 06-04-07, 12:23 AM
  #138  
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I"m still waiting on pics of these Jamaican modified rotors.
Old 06-04-07, 02:15 PM
  #139  
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hmmmm.....
Old 06-22-07, 08:07 PM
  #140  
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Old 06-23-07, 09:07 AM
  #141  
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350whp @13 psi on a 35r. the car weighs 2300lbs!
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