[XtremeShelby]

Group,

I'm considering both but would like everyone's opinion on the better of the two. I understand that the Whipple 3.4 requires the K member kit or a different hood. Please give me the pro's and con's of both.


Thank you,

Shane

[sfadchi]

XtremeShelby, on Nov 17 2009, 04:46 PM, said:

Group,

I'm considering both but would like everyone's opinion on the better of the two. I understand that the Whipple 3.4 requires the K member kit or a different hood. Please give me the pro's and con's of both.


Thank you,

Shane

What horsepower numbers are you looking to achieve? What are your plans for the car(ie. Drag Racing, Road Racing, Daily Driving)?

[XtremeShelby]

Just road racing and daily driving. I want to get the most horsepower I can without going to race fuel.

[sfadchi]

XtremeShelby, on Nov 17 2009, 05:26 PM, said:

Just road racing and daily driving. I want to get the most horsepower I can without going to race fuel.

Then to be honest, I would go with a Whipple 2.9L kit with the 3.25 pulley. That will give you 16 efficient pounds of boost, without having to notch your hood, lower your k member or anything like that. Just bolt it on and you're all set! I made 699HP with that set up, on pump gas!
Whipple 2.9L Kit From Lethal Performance

This post has been edited by sfadchi: 17 November 2009 - 02:49 PM

[XtremeShelby]

Wow! That's pretty impressive!

[Revan Racing]

XtremeShelby, on Nov 17 2009, 05:51 PM, said:

Wow! That's pretty impressive!

I don't disagree with sfadchi however if it's a daily driver and road course duty you need to consider that sustaining 699 rwhp on the road course is huge.

Sfadchi I think had long tube headers, no cats and an IW 10% OD for that type of power. Please correct me if I am wrong.

Another option is the TVS. Good power for the street and road course and lots of torque down low for digging out of the corners. It too fits under the stock hood.

Of course, to take advantage of all of this you should consider an adequate cooling package......
Shelby Heat Exchanger, Shelby Radiator, etc.

Van

[jamesb]

XtremeShelby, on Nov 17 2009, 02:26 PM, said:

Just road racing and daily driving. I want to get the most horsepower I can without going to race fuel.

If by "road racing" you mean going around tracks with corners, then may I ask if you've upgraded everything else like the suspension, cooling systems, brakes, tires etc? If not, I highly recommend giving Van a call, and he can give you good ideas for what to do first.

Jamie

[sfadchi]

dactyl, on Nov 17 2009, 07:00 PM, said:

I don't disagree with sfadchi however if it's a daily driver and road course duty you need to consider that sustaining 699 rwhp on the road course is huge.

Sfadchi I think had long tube headers, no cats and an IW 10% OD for that type of power. Please correct me if I am wrong.

Another option is the TVS. Good power for the street and road course and lots of torque down low for digging out of the corners. It too fits under the stock hood.

Of course, to take advantage of all of this you should consider an adequate cooling package......
Shelby Heat Exchanger, Shelby Radiator, etc.

Van

WRONG VAN! J/K

I did not have headers, or a lower pulley to make those numbers. I did however have Lethal's new off road X-Pipe at the time. I do agree with Van, you will need to adequate cooling. I would go with the Shelby cooling package as he suggested. The good thing about the Whipple over the TVS is a pulley change takes less then 5mins. Van is the expert on horsepower on the road course so, if that's too much you can always add a bigger pulley, and still have the potential for more on the street.

The graph below shows with 16lbs of boost, and with 19lbs of boost, both with no lower pulley and no headers.

This post has been edited by sfadchi: 17 November 2009 - 04:14 PM

[XtremeShelby]

Thanks for all the input so far!

I guess for clarification, by road racing, I mean whipping a Z06's a$$ on the freeway or what ever comes along. I do intend on getting the suspension upgraded after the supercharger but, for now, I just want to add seat of the pants power.

[Grunnsetning]

I went with the 3.4 and don't regret anything about it. It's insane the instant power.
IF I knew I would be happy with under 700 forever then definitely the 2.9 or, like dactyl said, the TVS.
Justin at VMP tuning has his TVS right around 700 or maybe more, I am not sure.
A TVS with a J&M TB and plenum I imagine would lay down some pretty good numbers.

[sfadchi]

XtremeShelby, on Nov 17 2009, 07:16 PM, said:

Thanks for all the input so far!

I guess for clarification, by road racing, I mean whipping a Z06's a$$ on the freeway or what ever comes along. I do intend on getting the suspension upgraded after the supercharger but, for now, I just want to add seat of the pants power.

This was with my base Whipple kit @ 16psi vs a Ron Fellows C6 Z06!
View the Video!

[XtremeShelby]

sfadchi, on Nov 17 2009, 04:33 PM, said:

This was with my base Whipple kit @ 16psi vs a Ron Fellows C6 Z06!
View the Video!

Nice!

[breoland]

im undecided on what blower to go with as well. I really like the whipple 2.9 but the kb 2.8 really makes some good power.
as for the 2.9 I herd there were some issues with it and when i tried getting an answer to my question WHY, they couldnt tell me the reason.
Anyone know what the issue is with the 2.9

From what i hear about the tvs is that its the best bag for the buck and makes awesome power with the L and m t/b and most efficient at 16lbs of boost. but if you decide to go any faster...its maxxed out

[2kmelat]

the issue they had with the 2.9 i think is fix. i have the kb and i love it. u are going to get diff storys from everyone in here, all of these blowers are going to get u want u want, and more power than your stock engin can handle. just make sure u get a good tune (jon lound).oh by the way all i can say my kb has very little trouble with a zo6.  DSC02458.JPG (572.47K)
Number of downloads: 38

[Revan Racing]

XtremeShelby, on Nov 17 2009, 07:16 PM, said:

Thanks for all the input so far!

I guess for clarification, by road racing, I mean whipping a Z06's a$$ on the freeway or what ever comes along. I do intend on getting the suspension upgraded after the supercharger but, for now, I just want to add seat of the pants power.

You meant street racing! Not road racing, LOL.

I'm one of the few who has run both a Kenne Bell 2.8 and a Whipple 3.4.

Whipple 3.4 (tons of range and great low end torque and good power band)

Kenne Bell 2.8 (tons of range and great mid range and boost up top)

Based on my road racing background and tracking both superchargers have their merit. I have not tested or used a Whipple 2.9.

At some point you have to try and ride in different cars with different superchargers and see what feels right and what strikes your eye the best. You cannot go wrong just make sure you get it right and dial it in.

Van

[tee2]

i went with the 3.4 gen 2 whipple and love the blower. i didnt want to buy another supercharger if i wanted full race on the top end or super mild street on the low end. i think now that whipple has a revised inlet system out for the 3.4 its even a better product and will produce even more max power on pump gas than before. to be fair i have no hands on experience with the tvs, kb, or 2.9 but feel like i have made the best choice and there has been nothing learned or any improvements made to the other blowers to make me feel like i need to upgrade and change to one of them. the aftermarket hood looks better than the factory hood imho, so it was a plus for the car. thanks

[sfadchi]

breoland, on Nov 17 2009, 09:11 PM, said:

im undecided on what blower to go with as well. I really like the whipple 2.9 but the kb 2.8 really makes some good power.
as for the 2.9 I herd there were some issues with it and when i tried getting an answer to my question WHY, they couldnt tell me the reason.
Anyone know what the issue is with the 2.9

From what i hear about the tvs is that its the best bag for the buck and makes awesome power with the L and m t/b and most efficient at 16lbs of boost. but if you decide to go any faster...its maxxed out

There were 2 or 3 people that had problems with their kits, but as far as I know all issues have been resolved. I had one of the very first production kits that shipped, and I have had no issues with my Whipple at all! I have pushed my blower more than most would ever consider and it's never given me a problem. I can tell you that all blowers have had issues, Kenne Bell, TVS, and Whipple but from personal experience Whipple really takes care of their customers.

[J-Stang]

breoland, on Nov 17 2009, 07:11 PM, said:

im undecided on what blower to go with as well. I really like the whipple 2.9 but the kb 2.8 really makes some good power.
as for the 2.9 I herd there were some issues with it and when i tried getting an answer to my question WHY, they couldnt tell me the reason.
Anyone know what the issue is with the 2.9

From what i hear about the tvs is that its the best bag for the buck and makes awesome power with the L and m t/b and most efficient at 16lbs of boost. but if you decide to go any faster...its maxxed out

This is a very touchy subject (believe me). There is a couple threads going around (old ones) discussing the issues. Google "Tell me about the Whipple 2.9L" and one will come up (I started one awhile ago) and some others. Some good info.

From what I got out of all the research was Whipple did have some issues (few people) and took care of it appropriately. I never did get any clarification why one vendor in particular would not sell the Whipple 2.9L anymore. They just told me they recommend something else- would not disclose anything. These guys are a reputable company that do great work with GT500s. Definitely makes you think...
With all that said I'm still leaning towards the Whipple 2.9L because of price, power and no major alterations (hood/lowering kit).

However, I am still in the decision mode of trying to make the commitment of upgrading the supercharger.

Does anyone have a dyno graph comparing the Kenne Bell 2.8 and the Whipple 2.9?


Thanks
Jay

This post has been edited by J-Stang: 17 November 2009 - 07:00 PM

[sfadchi]

2kmelat, on Nov 17 2009, 09:24 PM, said:

the issue they had with the 2.9 i think is fix. i have the kb and i love it. u are going to get diff storys from everyone in here, all of these blowers are going to get u want u want, and more power than your stock engin can handle. just make sure u get a good tune (jon lound).oh by the way all i can say my kb has very little trouble with a zo6. DSC02458.JPG

I bet money, you could not take a Z06 tonight!

[mr4teth]

sfadchi, on Nov 17 2009, 10:27 PM, said:

I can tell you that all blowers have had issues, Kenne Bell, TVS, and Whipple but from personal experience Whipple really takes care of their customers.

Maybe I'm getting the napoleon complex (2.3) and I'm a little defensive but I don't remember ever hearing about an issue with the TVS on GT500's.