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

LT4 HotCam Dyno Results

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Old 02-12-2006, 03:57 PM
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Re: LT4 HotCam Dyno Results

Originally Posted by Bersaglieri
It doesnt seem that far off for an A4 with a Hotcam. I'd be loving that TQ. What bolt on's do you have?

-Dustin-
Pacesetter Longtubes, 3" Off-road Y-pipe with a 3" cutout, eBay intake, ceramic intake elbow, air foil, plugs, wires, coil, PCMforless tune, fully built 4L60E with a vigilante 3000 stall, LS1 aluminum driveshaft.

I don't know, I realize the numbers aren't bad, but I was just expecting a little more, the HP is where I expected, maybe hoping for a little more torque. The converter locked up funny (thats why the spike is there), but the broad curve is what I'm proud of . Hoping to toss on some LE or AI heads with a matched intake manifold and a 75 shot and call it a night.
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Old 02-12-2006, 04:02 PM
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Re: LT4 HotCam Dyno Results

What were the SAE numbers?? These are uncorrected #'s and really can't be compared to anything. Also a graph with RPM is much more usefull than MPH.
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Old 02-12-2006, 04:02 PM
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Re: LT4 HotCam Dyno Results

Those are great numbers. I have been torn on the 224/230 XE vs the hotcam. I still think I am going XE. Did you by any chance have a dyno pull before you put in the cam? Thanks for sharing I am always searching the board for stuff like this and little is ever found.
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Old 02-12-2006, 04:06 PM
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Re: LT4 HotCam Dyno Results

I agree those are indeed excellent numbers, look at your torque man that equates to a helluva launch, quicker 0-60 which is great off the line, be proud man, it's just the start of the fun go out now
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Old 02-12-2006, 04:13 PM
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Re: LT4 HotCam Dyno Results

Originally Posted by 96flame
What were the SAE numbers?? These are uncorrected #'s and really can't be compared to anything. Also a graph with RPM is much more usefull than MPH.
I'm working on getting a graph with RPM and a graph with more accurate A/F so Bryan at PCMforless can do some more fine tuning.

The SAE Corrected Numbers were 314/344 @ 65* F and 31% Humidity.
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Old 02-12-2006, 05:40 PM
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Re: LT4 HotCam Dyno Results

i have all the mods listed in my sig and put down that much hp and tq and i got my hot cam kit just waiting to put it in i wonder what my hp would be
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Old 02-12-2006, 07:02 PM
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Re: LT4 HotCam Dyno Results

I have pretty much the exact same mods as u except I have a ram air hood with air box and a electric water pump. I just got a hotcam and am going to be putting it in this summer with some 4.10's. Im running a M6. Hope my numbers will be close to that if not better.
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Old 02-12-2006, 09:31 PM
  #23  
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Re: LT4 HotCam Dyno Results

Originally Posted by CamaroGuy22
Those are great numbers. I have been torn on the 224/230 XE vs the hotcam. I still think I am going XE. Did you by any chance have a dyno pull before you put in the cam? Thanks for sharing I am always searching the board for stuff like this and little is ever found.
No dyno numbers before the cam -- only after. The biggest things I'd say you'd need are the full exhaust and intake, the cutout helps too. I didn't get a chance to dyno with the cutout closed.

jkucz31 - you're probably looking at the same numbers with the hot cam kit, maybe a little more. The setup you'll be running will be basically identical to mine.

97formulakid - as far as cost goes, you can't beat the dollar to power improvement with the hot cam kit.
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Old 02-12-2006, 09:49 PM
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Re: LT4 HotCam Dyno Results

You just gotta love that torque curve. I would say that you are about
on the mark for the A4. You will probably gain another 5-8 rwhp with
a dyno tune.
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Old 02-13-2006, 11:33 AM
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Re: LT4 HotCam Dyno Results

Originally Posted by Black9TA8
One thing I noticed is that they used the spike to come up with the torque. It looks more like 345 ish ft. lb. to me. They didn't count the spike for hp because it wasn't the highest point, but yet did use it for torque because it was the highest point. Hmmmmmm......
Good eye... though its more like 335rwtq...each increment is 10. I love it when they use spikes as peak #'s. I have seen dyn opeators do this many times
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