LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

355 First Dyno run(LE2 Set UP)

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Old Apr 18, 2006 | 07:00 AM
  #1  
Handyman's Avatar
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Talking 355 First Dyno run(LE2 Set UP)

First run last night. Needs tuned when Bryan comes to town. Very happy with the results so far. Lloyd told me last year what it would run. He was right
on. Should have better results after the Dyno tune. Air /fuel was 15.2
LE2 Heads/cam
52MM
30lb Injectors
30 over
3400 Edge/3.73
4L60E
15/8 Long tubes
Dynomax Ultra Flow full Exhaust
All Forged Motor/JE pistons/Eagle 4340 Crank/Scat H-Beams Rods

Last edited by Handyman; Apr 18, 2006 at 07:05 AM.
Old Apr 18, 2006 | 07:22 AM
  #2  
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Re: 355 First Dyno run(LE2 Set UP)

nice man, how much total timing?
Old Apr 18, 2006 | 08:51 AM
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Re: 355 First Dyno run(LE2 Set UP)

Wow, thats very impressive. I'll bet you pick up 20 horse from a tune.
Old Apr 18, 2006 | 09:04 AM
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Re: 355 First Dyno run(LE2 Set UP)

Very good numbers! Is this totally untuned or a mail order job. Are you running the stock intake? Are those numbers with or without the converter locked?
Old Apr 18, 2006 | 09:35 AM
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Re: 355 First Dyno run(LE2 Set UP)

Bryans Mail order tune.OBD 1 conversion.Stock intake and 30lb injectors. He is going to tune it at the end of the month. Talked to him and he said the numbers will come up. TQ for sure.
Last year I picked up 21HP/45TQ on the bolt ons when he tuned it on the Dyno. Converter was not Locked.Held 330/370HP from 4400RPM to 6200RPM
Running lean. I'am very Happy with the set up. Hoping to Hook like I did last year. Car ran a Best 12.80 at 105 with only 259HP/307TQ. tunning,converter and QA1's netted several 1.7s.
Old Apr 18, 2006 | 09:54 AM
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Re: 355 First Dyno run(LE2 Set UP)

I suspect close to 15-20rwhp just from richening it up.
Old Apr 18, 2006 | 10:12 AM
  #7  
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Re: 355 First Dyno run(LE2 Set UP)

That thing is evil lean.... get that tune ASAP
Old Apr 18, 2006 | 10:57 AM
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Re: 355 First Dyno run(LE2 Set UP)

wtf. its in STD. what was the weather like that day?
Old Apr 18, 2006 | 11:19 AM
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Re: 355 First Dyno run(LE2 Set UP)

around 66 degrees. warm, little humid.
Old Apr 18, 2006 | 12:17 PM
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Re: 355 First Dyno run(LE2 Set UP)

Originally Posted by Handyman
Bryans Mail order tune.OBD 1 conversion.Stock intake and 30lb injectors. He is going to tune it at the end of the month. Talked to him and he said the numbers will come up. TQ for sure.
Last year I picked up 21HP/45TQ on the bolt ons when he tuned it on the Dyno. Converter was not Locked.Held 330/370HP from 4400RPM to 6200RPM
Running lean. I'am very Happy with the set up. Hoping to Hook like I did last year. Car ran a Best 12.80 at 105 with only 259HP/307TQ. tunning,converter and QA1's netted several 1.7s.
Those numbers would be even better as is with it locked too! Can't wait to see how it does dynoed
Old Apr 18, 2006 | 01:52 PM
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Re: 355 First Dyno run(LE2 Set UP)

That sucker is lean!!! Interesting how the A/F stays flat lined, while the hp/tq is all over the place. I really wouldn't go WOT anymore until getting a good dyno tune. Get it tuned and post some SAE #s.
Old Apr 18, 2006 | 07:59 PM
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Re: 355 First Dyno run(LE2 Set UP)

A/F was 14.7 on that run - went WAAAAAY lean when we uncorked the cut-outs, made 383 but was 18.1 lean. Run didn't last to long before we shut it down.

Total timing was 38 degrees - most knock retard I saw was only 1.6 degrees while logging.

Car runs great and will make a bit more once Bryan tweaks on it. I'm expecting 11.8's@114-116mph - this car uses every ounce of power it makes.

Last edited by DarkHorse; Apr 18, 2006 at 08:14 PM.
Old Apr 18, 2006 | 08:11 PM
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Re: 355 First Dyno run(LE2 Set UP)

You got bigger stones than I, I would have aborted at that AFR. Let us know how it goes. Is it this weekend or next Bryan comes to town?
Old Apr 18, 2006 | 08:15 PM
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Re: 355 First Dyno run(LE2 Set UP)

Next weekend on the 29th. Just doing some daily driving and logging Dwayne.
Bryan band me from the track till then! He said the numbers will come up alot with some more fuel. Thanks
Old Apr 18, 2006 | 08:15 PM
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Re: 355 First Dyno run(LE2 Set UP)

Bryan comes into town the 29th - 1 day after my birthday W00T

We have quite a few of the Impy guys coming in from out of town and some local guys as well.

John should see rwhp in the 390's - torque over 400.



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