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

LT1 Dyno Results

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Old Mar 10, 2007 | 08:20 PM
  #1  
95Z28ConvtM6's Avatar
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LT1 Dyno Results - with graph

Just got my car dyno tuned by Bryan Herter. Here is what we ended up with:

387 RWHP / 366 RWTQ in FULL Emissions trim, including Cats, EGR and AIR. This final pull was done with a warm motor.

HP peaked at 6150rpm and the TQ peaked between 4500 and 5000. The TQ curve was VERY flat making over 350 lb-ft from 2000rpm through 5800rpm. Peak HP didn't start falling off until 6400rpm. the car is extremely responsive and makes power from 1500 through redline!!!



-LE2 Heads
-LE1 Emissions Cam. Duration is in the low-mid 220s with a wide LSA.
-355 LT1 shortblock by D&F Performance in Williamstown, NJ
-1.6 Rockers
-58mm TB
-Stock intake with TB holes opend up to match the 58mm TB
-30 lb Ford injectors
-Jet Hot LTs with emissions fittings
-Mufflex 3.5" exhaust and y-pipe with 3" cats (not hollowed out)
-6M with 4:10s

I just like to give a special thanks to Lloyd Elliot for flat-out nailing the combo, to Dave at D&F Performance for doing a superb job with the SB and engine assembly and to Bryan Herter for his tuning abilities. We picked up almost 20hp on the dyno. Well Done!!

Last edited by 95Z28ConvtM6; Mar 15, 2007 at 09:57 AM. Reason: forged
Old Mar 10, 2007 | 08:35 PM
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Nice job! Great #'s for a total emissions setup w/ cats and all. Plan on taking it to the track?
Old Mar 10, 2007 | 09:35 PM
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Nice numbers. Looks like a lot of power under the curve.
Old Mar 10, 2007 | 09:41 PM
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Nice #'s, any chance of you posting up the dyno graph?
Old Mar 10, 2007 | 11:36 PM
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Now add an electric waterpump and a ported intake and you should be at 400+rwhp.
Old Mar 11, 2007 | 12:15 AM
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Pretty impressive especially considering the emissions factor.
Old Mar 11, 2007 | 08:25 AM
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Nice numbers and emissions friendly, sweet. And being an M6, I'll bet it's a gas to drive.
Old Mar 11, 2007 | 10:33 AM
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Nice numbers! Where did he dyno tune the car at? Your just across the street from me too Bryan is going to tune my car wen I get it back together but its taking a bit longer than I had expected. Bryan is top notch!

Where is D&F? Never heard of them before. What's in the short block?
Old Mar 11, 2007 | 11:48 AM
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Nice numbers, nice to see good results from a emissions friendly setup.
Old Mar 12, 2007 | 10:16 AM
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95Z28ConvtM6's Avatar
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I wanted setup that was driveable and responsive. Yes, it is a blast to drive!

I had it dyno'd at JD's in Huntington Valley. Bryan rents the shop dyno for tuning.

D&F is in Williamstown, NJ. They've been around for at least 20 years. They were amoung the 3 highly recommended SB chevy builders in the Philly area. No complaints! The short block is balanced, has forged pistons, it's squared, decked, etc. It has the stock crank and rods.

I hope to get to Atco within a few weeks.

I'll try to get the dyno sheet up shortly.
Old Mar 12, 2007 | 11:00 AM
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Lloyd told me about that one, good numbers!

Bret
Old Mar 12, 2007 | 11:09 AM
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Nice!!
Old Mar 12, 2007 | 11:48 AM
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god all these nearly 400+rwhp #'s are giving me the itch for more power!
Old Mar 12, 2007 | 12:08 PM
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Hell yeah!
Old Mar 12, 2007 | 01:14 PM
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Projectz28's Avatar
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never heard of them before. I was curious because you said "forged 355". I assumed you meant crank and rods were forged also.

Yeah I've been to JD's before. Bryan will probably tune my car there also.



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