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AFR 205's, Ed Curtis Cam, EPS Tune **460/420**

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Old 06-20-2013, 07:46 AM
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In for the result.

Whats the reason you chose tr6 instead of 55 dave?

I hope you can break 470, i know i cant now after i installed the 9" lol..
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Old 06-20-2013, 02:03 PM
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Just got the injectors dialed in. Strapping to the dyno now...
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Old 06-20-2013, 02:19 PM
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^Nice im tuned in
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Old 06-20-2013, 02:29 PM
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Keep this thread updated. I want to see some new numbers before I leave work for the day Dr.
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Old 06-20-2013, 02:36 PM
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If u pass 470, can i buy the heads back david ?
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Old 06-20-2013, 03:22 PM
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460/420 on the dot.

Went speed density and gained 8 at the tire. I was at 96kpa by 4300rpm.

Injector duty cycle was a healthy 77%, and AFR stayed solid at 13.1/13.2.
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Old 06-20-2013, 03:50 PM
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Originally Posted by dr_whigham
460/420 on the dot.

Went speed density and gained 8 at the tire. I was at 96kpa by 4300rpm.

Injector duty cycle was a healthy 77%, and AFR stayed solid at 13.1/13.2.
Open Loop SD or Closed Loop SD?
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Old 06-20-2013, 03:51 PM
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What MAF did you have? stock or 85mm?
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Old 06-20-2013, 04:24 PM
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Had a stock MAF.

CLOSED loop SD
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Old 06-20-2013, 04:27 PM
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Originally Posted by dr_whigham
Had a stock MAF.

CLOSED loop SD
Did you keep the MAF on the car, or did you remove it? If you removed it, what coupler did you use?
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Old 06-20-2013, 05:19 PM
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Sweet, do you have a dyno sheet you can post?
BTW is your FAST 92 intake still a virgin, or is she ported now?
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Old 06-20-2013, 06:29 PM
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I've got a pic. Gimme a sec to throw it on PhotoBucket.

I kept the MAF and all on the car. I'll be ordering a 4" hose here in short order.

The FAST is still a virgin. No carbide has violated her sweet insides yet,
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Old 06-20-2013, 06:30 PM
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Originally Posted by dr_whigham
460/420 on the dot.

Went speed density and gained 8 at the tire. I was at 96kpa by 4300rpm.

Injector duty cycle was a healthy 77%, and AFR stayed solid at 13.1/13.2.
Impressive. You attribute all 8 rwhp gained to the switch to SD? I remember your clutch was slipping way back when so Im just curious.
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Old 06-20-2013, 06:33 PM
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I love the torque "table"

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Old 06-20-2013, 06:38 PM
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Originally Posted by mac62989
Impressive. You attribute all 8 rwhp gained to the switch to SD? I remember your clutch was slipping way back when so Im just curious.
That's the funny thing. Geoff had the tune nailed dead nuts perfect and I actually LOST one HP and 2 ftlbs. I attribute that to not running so damn lean this time. I think that's where the light weight flywheel became a wash- it compensated for the extra ponies from running lean. That pull was 451/415

I asked to see the MAP reading from the run and right at 4300 I went from 100kpa to 96. I told Geoff if it was only like 5hp don't even mess with it.

Well, Geoffs kinda like me... A tinkerer. We already had the car strapped down so we took off the MAF and made an SD run. Tune was SPOT on, so we left it alone. Just the MAF cost me 9hp and 5ftlbs.
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Old 06-20-2013, 06:52 PM
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Originally Posted by dr_whigham
That's the funny thing. Geoff had the tune nailed dead nuts perfect and I actually LOST one HP and 2 ftlbs. I attribute that to not running so damn lean this time. I think that's where the light weight flywheel became a wash- it compensated for the extra ponies from running lean. That pull was 451/415

I asked to see the MAP reading from the run and right at 4300 I went from 100kpa to 96. I told Geoff if it was only like 5hp don't even mess with it.

Well, Geoffs kinda like me... A tinkerer. We already had the car strapped down so we took off the MAF and made an SD run. Tune was SPOT on, so we left it alone. Just the MAF cost me 9hp and 5ftlbs.
Ah ok I got you, thats even more impressive. I was dead set on going with an SD for the small extra cost and now you sealed the deal for me. That graph looks real good, congrats brother.
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Old 06-20-2013, 11:08 PM
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Grats man! Numbers look good, now swap the 10 bolts to 9" and lose power ha!
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Old 06-21-2013, 08:11 AM
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Very nice. id say its a ton of fun out on the street.
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Old 06-25-2013, 06:06 AM
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Hi Dave.

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Old 06-25-2013, 05:23 PM
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Welcome back, Ed!!

Oh the joys I get from the power, lol
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