VMP 2.65 or Whipple 2.3 or 2.9

NateDogg

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Those are great numbers!
Can you please list your engine mods, exhaust etc along with boost level?
I’m still trying to decide between the VMP gen3 and a Whipple Crusher 2.9 gen4 (or the rumored gen5) if it is released for the ‘03 Cobra.
My engine will be a 10.5:1 Aluminator build with Ported heads and either stage 2 cams or custom. Full LT AR headers with 3” collectors and 3” catback. Return fuel system on e85.

Thanks
Ken
This will be my exact set up once its all said in done and I'm keeping the 2.3 TVS. I'll be running kurgans cams.
 

c6zhombre

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Just made 800/720 with a vmp gen3 on e85. Im a believer now


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That would be by far the highest TQ number I have seen posted with the 2.65. Most have been in the 660-670 range. Thats been the biggest complaint I've read from 2.3 TVS owners who have swapped to the 2.65.

Can you post that 800/720 graph?
 

timspony

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That would be by far the highest TQ number I have seen posted with the 2.65. Most have been in the 660-670 range. Thats been the biggest complaint I've read from 2.3 TVS owners who have swapped to the 2.65.

Can you post that 800/720 graph?
....That's in part why I won't swap my 2.3L for the new 2.65L
 

Andrew03SVT

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....That's in part why I won't swap my 2.3L for the new 2.65L

58259372645__DFAFA321-7A0E-481F-A527-662A2C55E5A1.JPG


Blue line was my kenne bell same pulleys.....



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Andrew03SVT

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So is this a KB v 2.65 TVS comparision??

That graph yes is a before and after with nothing changed except the blower. Same pulley same everything. So I’m not sure where the 660ish torque numbers are from but my buddy same car as I have just made 750 torque same blower. They’re proving to be quite impressive and for the price point and the removable inlet I’m very pleased with the gen 3


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c6zhombre

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timspony

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That graph yes is a before and after with nothing changed except the blower. Same pulley same everything. So I’m not sure where the 660ish torque numbers are from but my buddy same car as I have just made 750 torque same blower. They’re proving to be quite impressive and for the price point and the removable inlet I’m very pleased with the gen 3


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Very nice!!! What KB?

Currently I'm at 756/701 (10.1 @ 141.2 mph) shifting my 2.3L TVS - Stock 4.6L, e85
 

Andrew03SVT

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Nice! Totally different TQ and HP curve versus the 2.65s I've seen dyno that are running stock cams. I think you found the magic cam specs to make the curves look more like the traditional terminator "area under the curve" we're use to seeing (for pd/TS/roots blowers of course).

It’s a toss up. They’re just stage 3 comps. May actually hinder that low end torque. Either way it’s plenty for a street car. When I get bored with this I’m just gonna put a smaller pulley on it ‍♂️


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Andrew03SVT

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I just like to share my findings to help people out when they’re trying to make a decision. I had a hard time myself trying to find data on the gen 3 for cobras but took the gamble and I’m glad I did.


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c6zhombre

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Did you get SAE numbers along with the STD numbers @Andrew03SVT?

It's probably in the ball park of 770/700 SAE

I think at the end of the day....the 2.9 gen4 is going to produce the highest dyno number and more importantly....the highest trap speeds at the track. 150+ traps. If the removable inlet is a top priority that one just can't live without....you just have to be willing to be slower at the strip.
 

Andrew03SVT

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It's probably in the ball park of 770/700 SAE

I think at the end of the day....the 2.9 gen4 is going to produce the highest dyno number and more importantly....the highest trap speeds at the track. 150+ traps. If the removable inlet is a top priority that one just can't live without....you just have to be willing to be slower at the strip.

#skreetcar


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