re: Roe S/C for Gen III's coming soon????

[mike & juli]

Heard thru the 'grapevine' that Sean Roe's supercharger for the '03-'06's may be available soon...I haven't contacted him yet, but don't see that on his site, anybody else have updated info on this? Thanx! ~juli~

 

[MikeR]

Re: Roe S/C for Gen III's coming soon????

Heard thru the 'grapevine' that Sean Roe's supercharger for the '03-'07's may be available soon...I haven't contacted him yet, but don't see that on his site, anybody else have updated info on this? Thanx! ~juli~

I think you mean 03-06's as there are no 07' Vipers.

It would be cool to see what his kit does on a Gen 3, unfortunately, he is a little late and most that are going to supercharge already have a Paxton. Still, competition is always a good thing.

 

[mike & juli]

Re: Roe S/C for Gen III's coming soon????

I think you mean 03-06's as there are no 07' Vipers.

It would be cool to see what his kit does on a Gen 3, unfortunately, he is a little late and most that are going to supercharge already have a Paxton. Still, competition is always a good thing.

Yeah, Mike--I meant thru years '06 (edited my post, thank you for pointing that out!)...which is a heluva lot of Vipers for Roe to come up with superchargers for!!! I email/contact him every so often, last I heard from him personally, was about a month ago, he was still working on it. We are not going with Paxton for various reasons of our own, so far, anyway! We know lots of others who want the Roe, but like us, don't want to change the hood...so we're still hoping.
~juli~

 

[black mamba1]

Re: Roe S/C for Gen III's coming soon????

I have been waiting on the Roe for almost a year now. I am starting to have second thoughts however, mainly due to my driving style. The main reason I am having second thoughts is because of when the power kicks in. The Viper has more than enough low end torque as it is, and I use my car for leisure much more than track. I dont really think I want the 700+ hp kicking in at 2400 rpm while on my way to the beach! Then there is the issue of heat build up and the fact that all new Gen 3 Roe owners will be guinea pigs until they work the kinks out (pre detonation, uneven a/f ratio for left and right banks, etc) over the year or so. Maybe the issues are already worked out, after all, Sean is a genius. I heard that Seans Gen 3 s/c is larger than the gen 2's and that the results are impressive. Right now I am leaning towards Greg Good or Strker heads w/ cam. I will pick up about 100 hp w/ that and I can do that NOW! In the mean time, I will wait and see how the Gen 3 Roes are doing...

 

[plumcrazy]

Re: Roe S/C for Gen III's coming soon????

Greg good is the man

 

[Schulmann]

Re: Roe S/C for Gen III's coming soon????

Black Mamba,

Basically you are getting 580hp with exhaust and VEC3 mods ? Am I right ?

 

[black mamba1]

Re: Roe S/C for Gen III's coming soon????

Black Mamba,

Basically you are getting 580hp with exhaust and VEC3 mods ? Am I right ?

and hi-flo air filters, but basically, yep.

 

[grcforce327]

Re: Roe S/C for Gen III's coming soon????

Black Mamba,

Basically you are getting 580hp with exhaust and VEC3 mods ? Am I right ?

Again,this is a guess at the flywheel.The biggest majority dyno there cars and go by rear wheel hp.

 

[black mamba1]

Re: Roe S/C for Gen III's coming soon????

Again,this is a guess at the flywheel.The biggest majority dyno there cars and go by rear wheel hp.

I think most guys indicate rwhp when talking rear wheel. Its a reference point, simply multiply flywheel by .87 and you should have a rather accurate rwhp number.

 

[grcforce327]

Re: Roe S/C for Gen III's coming soon????

If guessing at flywheel hp and posting a # makes you feel better,I have no issue with that.Just remember,you are racing the car and not a motor.Put it on a dyno so you can have a real figure to go off of to produce your flywheel figure that you enjoy posting.I just hate to see a video of someone saying they beat a 580hp viper,when in actuality,it's 100hp or so less,since most go by rwhp.

 

[ILLSMOQ]

Re: Roe S/C for Gen III's coming soon????

You know, I've heard;12%, 13%, 15% why not just call it 600 hp LOL

 

[grcforce327]

Re: Roe S/C for Gen III's coming soon????

You know, I've heard;12%, 13%, 15% why not just call it 600 hp LOL

You stole my thought!

 

[black mamba1]

Re: Roe S/C for Gen III's coming soon????

I use the same numbers practically every car manufacturer uses, flywheel horsepower. The 08 Viper has 600 hp, and that is what the SRT engineers list, not 522 rwhp or so. Manufacturers and engineers don't quote flywheel hp b/c "it makes them feel better", it is the international standard of quoting horsepower. I know many guys in this forum quote hp a little different, but this forum is a microcosm of the rest of the world. There is room for all of us, those who quote rwhp and those who quote flywheel. Whats the big deal? And by the way, I use 13% loss from the flywheel b/c that is what the Wizard uses.

 

[mike & juli]

Re: Roe S/C for Gen III's coming soon????

And by the way, I use 13% loss from the flywheel b/c that is what the Wizard uses.

ALWAYS listen to the WIZARD!!! ~juli~

 

[Schulmann]

Re: Roe S/C for Gen III's coming soon????

I was guessing the HP numbers at engin since Black Mamba didn't add rwhp after his numbers. Usually we all add rwhp when it is on dyno.

Any how 520rwhp or 580hp is still impressive ....

I was looking for mods to add to my new 06 Coupe. Now I have a couple of good ideas.

 

[black mamba1]

Re: Roe S/C for Gen III's coming soon????

I was guessing the HP numbers at engin since Black Mamba didn't add rwhp after his numbers. Usually we all add rwhp when it is on dyno.

Any how 520rwhp or 580hp is still impressive ....

I was looking for mods to add to my new 06 Coupe. Now I have a couple of good ideas.

Yeah, I am happy. The 580 flywheel hp is an estimation from the Wizard and from Roe Racing, who I bought the mods from. Roe Racing is a great company and very helpful. Truth be told, most of the VCA faithful and most tuners do quote rwhp, but for us newbies that have not been to the dyno yet, flywheel is the only way to estimate our hp. And quite frankly, both flywheel and rwhp numbers do not mean much until the car has been to the track and timed. There are some 650+ rwhp Vipers out there still running 1/4 mile times in the low 11's. Not impressive. But there are several factors to consider such as lack of traction (biggest problem), belt slippage (for Paxtons), heat soak, and the most important part...the driver. But to be really accurate it is best to go to the dyno and quote rwhp which I plan to do soon!

 

[MikeR]

Re: Roe S/C for Gen III's coming soon????

Yeah, I am happy. The 580 flywheel hp is an estimation

Exactly.... get it to a dyno and you will KNOW. Maybe yours was weak from factory,or a monster. Dynos are subjective but give you a real number, not a guess.
Many are dynoing at 440 rwhp stock, some Ive seen as low as 430 rwhp. If thats the case and car was rated at 510hp, then thats more like a 16-18% loss or Dodges number is inflated for flywheel number they are quoting.

I dyno'd 487 RWHP. with just a corsa, no cats, filters and ECM programming. That could be 550-560hp depending on driveline loss or 570-580 using higher loss.
Regardless, having a base dyno number and then seeing what the mods did is what really counts. I was able to watch my car bump up 20+ rwhp with some of the mods each time at dyno.

Ive had 2 different Vette guys tell me they were pushing 550 rwhp + and so they should have beat me. One of the races I didnt have some of my mods so I had even less power. Each race we were side by side. That tells me there were full of crap when spitting out 550rwhp, they probably never had them dyno'd and were "just making a guess"

 

[grcforce327]

Re: Roe S/C for Gen III's coming soon????

This is the way it's done!!! AWESOME!!!

http://forums.viperclub.org/showthread.php?t=604036

 

[grcforce327]

Re: Roe S/C for Gen III's coming soon????

Exactly.... get it to a dyno and you will KNOW......... That tells me there were full of crap when spitting out 550rwhp, they probably never had them dyno'd and were "just making a guess"

 

[Vipermann]

Re: Roe S/C for Gen III's coming soon????

I'd like HP numbers quoted and compared at 3,500 rpms, not just 'peak' HP ... that's when you KNOW the engine is really pulling ...

 

[BlueGTS]

Re: Roe S/C for Gen III's coming soon????

I think what people are trying to say is do not put estimated HP in your sig as it is missleading. A lot of people like to learn from other people's mods and actual dyno numbers. Estimating numbers does not help people and actually spreads missinformation.

The reason people list rwhp is there is no multiplying and fudging. What you get it what you get. However, people should list what kind of dyno as it makes a big difference.

Stock cars compare fly wheel HP, modified cars compare wheel HP.

 

[black mamba1]

Re: Roe S/C for Gen III's coming soon????

I think what people are trying to say is do not put estimated HP in your sig as it is missleading. A lot of people like to learn from other people's mods and actual dyno numbers. Estimating numbers does not help people and actually spreads missinformation.

The reason people list rwhp is there is no multiplying and fudging. What you get it what you get. However, people should list what kind of dyno as it makes a big difference.

Stock cars compare fly wheel HP, modified cars compare wheel HP.

You are absolutley correct. I was just reading a post in another thread on n/a vs forced induction, and one of the contributors posted some really nice hp numbers for his n/a engine....but did not specify if it was flywheel or rwhp. I found that to be very frustrating, and not very informative. I agree with you guys and have changed my signature to an estimated rwhp number. I hope this makes things a little clearer.

 

[MikeR]

Re: Roe S/C for Gen III's coming soon????

You are absolutley correct. I was just reading a post in another thread on n/a vs forced induction, and one of the contributors posted some really nice hp numbers for his n/a engine....but did not specify if it was flywheel or rwhp. I found that to be very frustrating, and not very informative. I agree with you guys and have changed my signature to an estimated rwhp number. I hope this makes things a little clearer.

Thats just as bad. Why dont you get yourself to a dyno, spend a whopping $100 and get it dyno'd. I guess you could still fudge on the results and post a different number, but the point is,dont post a number if you ave NO clue to what it is.

My buddy put headers on and a corsa, only mods and he dyno'd 494. But you know what, he has a dyno to see what he really got. I guess he could estimate 500rwhp....

http://forums.viperclub.org/showthread.php?t=597269

 

[Joseph Dell]

Re: Roe S/C for Gen III's coming soon????

Thats just as bad. Why dont you get yourself to a dyno, spend a whopping $100 and get it dyno'd. [snipped]

Must be expensive out there! Around here, it is $65 for 3 pulls...

 

[ROCKET62]

Re: Roe S/C for Gen III's coming soon????

SO Back On Topic ...... What is the status of the Gen 3 ROE SC?

 

[Joseph Dell]

Re: Roe S/C for Gen III's coming soon????

On the same topic: with a stock paxton kit for the gen3 that is tried, true, powerful, and cheap, why would anyone want a different type of supercharger on their car?

no offense to Roe but his success on the previous set-up involved a- being first to market, and b- have a product with a better-than-everyone-else pricepoint. With a new setup there will be bugs to be worked out, etc... So why would anyone (unless the price is under 5k for a setup) take a chance or spend the $$$?

JD

 

[Bobpantax]

Re: Roe S/C for Gen III's coming soon????

I agree with you Joseph with one caveat. The coolness factor. If the Gen III Roe looks as good sitting on top of the engine as the Gen II Roe did/does, those whose priority is looks and more torque lower on the RPM curve ( assuming the Gen III Roe produces same) might wish to assume the risk of bugs in the new system. On the other hand, the Paxton is no slouch in the looks department and with proper gear selection and pedal modulation it produces just as much performance. The idea mentioned by some that the Paxton causes more wear is illogical. Since it does not kick in until about 3300 RPM, most driving, with normal, everyday shift points, does not involve use of the blower. On the Gen II Roe, it was over 500 ft lbs of rear wheel torque at 1800 RPM. I have no idea what the Gen III Roe will end up producing. JM2C's.

 

[MbnViper]

Re: Roe S/C for Gen III's coming soon????

i think the roe s/c and the Paxton are totally different when it comes to power delivery !

a Paxton will reach full boost near redline and boost drops@shifting !

the twin screw(Roe) can reach full boost at low engine rpm and hold it to redline producing a flat torque curver all over the board! which i like

the twin Screw disadvantage is "intercooling" when it comes to viper's . other than that i see its the king of the hill for a DIY S/C with a proven Track Record in Gen2 cars

for 550-750rwhp i dont think its a bad deal and im sure a 720rwhp Roe S/C will eat any Paxton 720rwhp Viper

bugs and issues are overrated really i was one of the first people who bought & installed the Roe S/C, then i built my second S/C Roe car !!

but its me and my experience and my way of driving that makes me love the Roe even after driving my big TT setup !

 

[mike & juli]

Re: Roe S/C for Gen III's coming soon????

SO Back On Topic ...... What is the status of the Gen 3 ROE SC?

THANK YOU!!!! Guess no one really knows, or someone would've answered by now.
I will contact Sean Roe, but since I just did a month ago, and the s/c was not ready then, I have to give him more time...this guy develops quality products, and is a perfectionist, so he would NOT allow the s/c to go into anybody's Viper until he gets all the kinks out.
I have faith in him, and due to our own issues with Paxton (personal-won't get into it), we can wait for the s/c from Roe. Thanx ROCKET62 for bringing the subject back around!
~juli~