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Old 07-01-2014, 02:36 PM   #113
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Got a hold of Pat G via email. Recommended that I do some things and look for a few things as well. Going to post what he said and maybe it can help fellow members on hear as well.

I'm sorry that your ET and trap speeds are not up to what you were expecting, but I have some observations from hundreds of supercharged cars that I've tuned.


1. Heat is the enemy. Not just outside air temps (which drop your hp and trap speed) but even more importantly, intake air temps.
2. Heat exchangers pumps stop working 50% of the time on Maggie systems. Blown fuses or wiring issues cause this. You really need to check this as sky high intercooler temps will drop your power 50-75rwhp.
3. Underhood temps in the summer time make your intake air temps skyrocket, which will pull timing big time. Best lap times are achieved with adequate cool down periods with the hood up and intercooler pump running.


I tuned your car very aggressively for max power, but since I don't want to see my customers blowing up their engines, I keep safeguards there for timing retard when intake air temps get too high.
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Old 07-01-2014, 03:41 PM   #114
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#1 yes it is #2 you need to check and make sure pump is running with switch on car does not have to be running #3 yes it dose and you do need cool down time.

You need tires and to log your runs so you can see what going on. With all that being true your still way off on what you should run.
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Best @ 586/525 =10.41 @ 133
AS OF 12/13/14>633 RWHP =10.22@135
AS OF 1/31/15 @ 633 RWHP=10.16@135
AS OF 1/29/16 @ 633 RWHP=10.10@136
TOPED 700 PASSES AFTER F.I. AND STILL ON THE ORIGIANAL STOCK AXLE & DIFF
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Old 07-01-2014, 07:30 PM   #115
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Yeah I double checked too make sure it was running and it was, thank god cause I would have been pissed. What is a good time to let the car cool down between runs? How do I do data logging. The car was dyno tuned so I dont have a sct handheld or anything.
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Old 07-01-2014, 07:46 PM   #116
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I have a old lap top and HP tuner. Maybe you can get someone to log for you.

The bladder in vacuum on my whipple had a small hole in it and ran high IAT at idle.
May need to check that.
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Best @ 586/525 =10.41 @ 133
AS OF 12/13/14>633 RWHP =10.22@135
AS OF 1/31/15 @ 633 RWHP=10.16@135
AS OF 1/29/16 @ 633 RWHP=10.10@136
TOPED 700 PASSES AFTER F.I. AND STILL ON THE ORIGIANAL STOCK AXLE & DIFF
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Old 07-01-2014, 09:36 PM   #117
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Ill check the hoses and see if I can find anything
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Old 08-28-2014, 07:10 PM   #118
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would the zr1 wheels 18x9.5 fit the front as well or do i need a different size for the front/ i would like to get all 4 wheels to match
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Old 08-29-2014, 01:28 PM   #119
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http://www.mickeythompsontires.com/s...tem=StreetComp

Would these tire help for the strip/street? Lot less than the nitto 555r. Would you guys get these or get the 305 mickey Thompson tire.
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Old 08-29-2014, 02:21 PM   #120
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Originally Posted by lincoln361 View Post
http://www.mickeythompsontires.com/s...tem=StreetComp

Would these tire help for the strip/street? Lot less than the nitto 555r. Would you guys get these or get the 305 mickey Thompson tire.
You need a DR for track. Those won't cut it
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Old 08-29-2014, 02:26 PM   #121
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What about for the street. I hardly go to the track. More of the 40 rolls ha ha
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Old 08-29-2014, 03:45 PM   #122
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What about for the street. I hardly go to the track. More of the 40 rolls ha ha
For the street they should be ok. I wouldn't be doing any digs with them.
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Old 08-29-2014, 03:46 PM   #123
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After reading 5 pages of not being able to hook up.bad 60' times,countless tire combinations.air pressures, and low trap speeds just to find out the OP runs his car on the street and from a rolling start. I don't get it.
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Old 08-29-2014, 03:56 PM   #124
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I trap 113 stock internal. If I had that blower I'd want to be seeing 120MPH minimum.
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12.06@113 1.70 | + CD 3200 + 18" NT05R + RCR Intake + NE OTR + GPI Tune
11.84@115 1.59 | + 3.91s + Race Star 17x7 Fronts
10.90@125 1.47 | + GPI VVT Cam + BW Ported Heads + CD 3800
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Old 08-29-2014, 04:39 PM   #125
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Quote:
Originally Posted by Quick View Post
After reading 5 pages of not being able to hook up.bad 60' times,countless tire combinations.air pressures, and low trap speeds just to find out the OP runs his car on the street and from a rolling start. I don't get it.
Sorry for the confusion. Believe me i go to the track. The track is a good 2 hours away and I haven't been able to go probably in 4 months. If you look on.my channel on you tube, you can clearly see i just don't do street. Due to the fact that we were going thru a shutdown 70 days straight. From 530 am to 530 at night. So the chance i only had was around here with some buddies whenever i did have a chance after work. And the reason i asked for those was because somebody here local was selling some for a low price and figure why not ask for an opinion on that tire.
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Old 11-08-2014, 02:09 PM   #126
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Well I finally went back to the track after a few months break. I purchased the Nitto 555r 275/40/20 for my stock ss rims. After reading all the pointers and advice from everyone that commented, I was finally ready to beat my previous time and get into the 11s (Hopefully). When we got to the track, their was a slight sprinkle with the temperatures at 60 degrees. Finally the track was prepped and I was ready to the see what these tires were all about. Let the car cool down for about an hour from when we got their with the key forward to let the coolant circulate and let the supercharger cool. I did install an 1/2 inch plenum spacer. I stayed consistant with my times due to me using the sport mode and let it shift on its own rather than me using the tapshift. Passes are left to right

60ft 2.0 1/4 12.5
60ft 2.0 1/4 12.2
60ft 1.9 1/4 12.2
60ft 1.7 1/4 11.8@117
60ft 1.9 1/4 12.1


My trap speeds were 117-118 for most of the runs. I was glad that I finally broke into the 11s. I know my car had more potential but I had problems with my line lock and could not get it to lock in. So I could get the tires really hot like I did before so I had to just hold the brakes and step on the gas. Hopeully I can find whats wrong with it and maybe I can improve on my times a lil more. Hopefully when I am done with my nitrous install I can really improve on my times. Thanks guy for all the advice.
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Last edited by lincoln361; 11-08-2014 at 02:28 PM.
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