LETHAL 750 DYNO RESULTS!!

LTHL VPR

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You asked for it, you got it!!
Here are the current dyno numbers for the LETHAL 750 package. These were recorded after some initial testing. We expect to 'uncover' even more power later this week with some additional testing and tuning.

Keep in mind, that our primary performance goal was to generate the GREATEST AVERAGE torque and power across the entire RPM band rather than just peak power. In the end, this is what wins races!

I have also received a number of requests about how our numbers compare to other tuners' stroker packages. I have also included some comparisons below.


APEX LETHAL 750
2500 rpms 315 rwhp/605 rwtq
3000 rpms 361 rwhp/631 rwtq
3500 rpms 455 rwhp/683 rwtq
4000 rpms 536 rwhp/704 rwtq
4500 rpms 598 rwhp/698 rwtq
5000 rpms 627 rwhp/658 rwtq
5500 rpms 635 rwhp/607 rwtq
Peak: 639.4 rwhp/ 715.1 rwtq

COMPETITORS:
3000 rpms 285 rwhp/ 500 rwtq (361/631 LETHAL 750)
4000 rpms 450 rwhp/ 590 rwtq (536/704 LETHAL 750)
5000 rpms 600 rwhp/ 620 rwtq (627/658 LETHAL 750)
5500 rpms 620 rwhp/ 600 rwtq (635/607 LETHAL 750)

Hope this satisifes Viper owners craving serious POWER!
Regards,
Wayne
 

treynor

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VERY very nice, guys. I think you made the right choice going with a 'torque' cam
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Congrats!
Ben

PS: did I call this last night or what? here was my guess --
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Martin D

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Based on that graph, I think you can get more RWHP out of this motor.

What did you guys do for Fuel delivery?
And, what modifications did you make to the intake?

In any event, that is awesome. NA is the way to go!

Congrats.
 
OP
OP
L

LTHL VPR

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Thanks for your support...and yes Ben.... your numbers were very close! Good job!

Martin-
You are absolutely right. We can get more peak hp out of this package. However, it would be at the expense of low-mid range power. Rather than have to wind the motor (hydraulic roller) up to high rpms (6000+), we would rather have our customers be able to make more power in the frequently used rpm range (3000-5000 rpms)and be easier on the motor. So far, this combination of parts has worked the best. In the end, to get 20-25 more rwhp in the 5900-6000 rpms range and lose 50-60 hp and tq in the mid range was a trade-off we did not think made sense.

But....stay tuned! We are going to try a couple more parts in the next few days. We are hoping to see even more hp and tq before the weekend.

Regards,
Wayne
 

TX WHOS YOUR DADDY

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WAYNE,CONGRATS!HEAVY DUTY NUMBERS.CAN U SHOW US THE SAE CORRRECTED R.W.H.P. DYNO SHEET?THANX! NORM KOERNER
 

THEMASH

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Just to make it clear how much power this kit is making compared to LPEs 540 kit, sorry i could not go past 5500rpm since i did not have the correct numbers and did not want to assume and guesstimate from the graphs.
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*Disclaimer: I don’t work for Apex motorsports, nor am I affiliated with them in any way, just hoping for a discount.......opps, i mean, just doing it for my buddy Wayne
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