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

Dyno numbers

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Old Sep 22, 2003 | 12:00 PM
  #1  
97SS_1341's Avatar
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From: Chanhassen,MN
Dyno numbers

It was about 70 degrees, dunno humidity but the correctino factor was about a 1.45, oh t was a SuperFlow Dyno not a DynoJet, supposedly it had been calibrated to read like one.

My best pull was:
423 rwhp @6000
407 rwtq @4750

I'm going to try and get on a DynoJet this weekend and compare numbers, but i was stoked. So was my buddy with a 94 Z28 383 TT, insane numbers at 18/19# can go up to 23# we have video of us both i'll try to get them up..
Old Sep 22, 2003 | 12:06 PM
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From: Florida
Thumbs up

Those are some good numbers, is that on a stock bottom end? What kind of a setup do you have?
Old Sep 22, 2003 | 12:13 PM
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97SS_1341's Avatar
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From: Chanhassen,MN
yep stock lower end, made 274.7 rwhp and 309.9 rwtq with SLP shorties on the car that i sold for the long tubes. But the complete list of mods is in my sig at bottom..

This winter hopin on adding some Mosier axles, 3.73 gears, and a front brake upgrade./...
Old Sep 22, 2003 | 12:15 PM
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What kind of cam are you running and what are your flow numbers for your heads? Are they LT1, LT4, AFS?
Old Sep 22, 2003 | 12:29 PM
  #5  
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From: Chanhassen,MN
The cam is a TPIS ZZ409

Adv. Dur 287/287
Dur @ .50 226/226
Lift .520/.520
LSA 112

Heads are ported LT1's
2.0 Intake 1.56 exhaust 3 Angle
Hardeneed push rods, roller lifters, titanium retainers, 1.52 RR

Flow numbers are 255-258 cfm intake, and about 200 cfm exhaust @.50
Old Sep 22, 2003 | 12:35 PM
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From: Zip Tie Island
Very inaccurate dyno.

Get it on a dyno jet, those numbers should get much lower.
Old Sep 22, 2003 | 01:22 PM
  #7  
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From: Oklahoma City, OK
Originally posted by rpm4lalo
Very inaccurate dyno.

Get it on a dyno jet, those numbers should get much lower.
I agree
Old Sep 22, 2003 | 01:48 PM
  #8  
97bowtie's Avatar
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From: AZ
Re: Dyno numbers

Originally posted by 97SS_1341
the correctino factor was about a 1.45
Is this a type-O?
Old Sep 22, 2003 | 02:22 PM
  #9  
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From: Glen Burnie, MD
i bet the TT 383 made 1200hp right?
Old Sep 22, 2003 | 02:30 PM
  #10  
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From: High Ridge, MO
Yeah, I would expect 360 or so at the wheels with that setup. Get on the dyno jet. Were not tryin to be mean, just truthfull so when you do get an accurate dyno reading, your not disapointed.

Benji
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