C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old Jan 28, 2006 | 01:08 PM
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Default Dyno Tuning

I have a 1995 corvette LT1. I have done slight mod up to this point.
Like 3" stanless steel exhaust, coolant hose, by pass the house that heats the throtle body, open up the mass air. Now I'm going to a supercharger most likely a procharger D-1sc. But do I need to get the car tuned after I install this kit. I hear a lot of people have problems with the charger kit. Dose anyone have any advice.
Thanks
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Old Jan 28, 2006 | 01:46 PM
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alky injection works great. That's the best thing I've done to my blown car.

Try to get an 8 rib setup(not sure if they offer one) and try to upgrade the stock intercoolers. They're restrictive above 500 hp or so from what the guys say. Anyone want to chime in?

Last edited by qwiketz; Jan 28, 2006 at 01:54 PM.
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Old Jan 28, 2006 | 01:48 PM
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Two things....

Your car will not tune correctly if you have belt slip...don't forget that! I suggest you have your car professionally tuned after you get your kit installed.
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Old Jan 28, 2006 | 04:01 PM
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what are your horsepower goals?
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Old Jan 28, 2006 | 08:30 PM
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low 12s/ 450 rear
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Old Jan 29, 2006 | 03:46 AM
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stay away from pro-charger. go with vortec.
call greg at blower works, he the guy that can set you up right.
regards
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Old Jan 29, 2006 | 11:33 AM
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Originally Posted by bacardioil
stay away from pro-charger. go with vortec.
Ouch.... that hurts.
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Old Jan 29, 2006 | 12:36 PM
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How much is Greg paying these guys? Yes! He has a solid product, he sells a good head unit (i.e., Vortech), he knows blown applications, and his price point is fair but it is a little strange that every time someone tries to do something a little different on this board and asks for advise, a half dozen guys chime in and their only comment is to "call Greg." That is not advice, that is a referral. Be advised, there are a lot of Procharger people on this site too; many of whom are running the 8-rib drive conversion and are very happy with their performance modification choice.
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Old Jan 29, 2006 | 12:45 PM
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I think that the train of thought is to get it right the first time. Both kits stock have their limitiations. Both can be made to work great. The problem is that there is a learning curve and it takes fussing with either kit to get to know how things work. As far as being pro vortech, I'm happy with the kit I have, and I guess I'm a little biased since I have a kit for sale, but I have owned a procharger d1r, vortech s trim(2 of them), t trim, and r trim.
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Old Jan 29, 2006 | 05:03 PM
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Brand X,

I do not get paid by anyone, apparently more people that respond seem to have Vortechs than Prochargers.

I do not sway anyone away from Prochargers if that is what there choice is...

Many cases I can only share my experiences with my Vortech. Or setups in general. It is great to know you also have an 8 rib combo working as well

WrightCJW, Yes I wold agree you need to get the engine tuned after you install the supercharger. The base systems fall short of everything necessary to proberly maintain , monitor and tune the setup properly...

Mo


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Old Jan 29, 2006 | 05:33 PM
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Here is what I think of both kits.

If you are a skill type person and able to make your own custom bracketry and do all the R&D on your own. Procharger is your choice. No kit out there can out perform the custom setup

If you are not a skill type person ( pay some one to do it) Vortech is your choice. Because vortech is totally different than procharger. With the Vortech. You can pay a tuner to modify your existing vortech bracket to adapt to a 8rib belt conversion.
That is an advantage.

As for the 6rib serpentine belt both procharger and vortech. They are about the same. The 6rib alone will not allow you to run high boost because the serpentine configuration is just not going to cut it.

The solution? Custom 8rib belt conversion.
Vortech? Some tuner out there can do it for you(about $1000)
Procharger? you are on your own to make the new bracktry because no one out there currently make one for sale that I know of.
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Old Jan 29, 2006 | 07:26 PM
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I would like to thank all of you for your input. I just don't know what kit to buy. They both seem to suck in one way or another. I don't want to pay $6,500 but I don't want to be fixing it all the time either. Yes, blower work seem to make a better set its $1,500 over procharger ? I can do my own work I unfortunatly I work as a tech. If you have any more info. please let me know.
Thanks again
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Old Jan 29, 2006 | 08:19 PM
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Let me clarify the points I was trying to make….

--“How much is Greg paying these guys?” was a rhetorical question born from sarcasm. I did not believe, nor was it my intention to lead anyone to believe, that he was actually paying persons on this site. As I stated in my prior post, I believe him to be knowledgeable on this subject matter and to have a solid product—let me make this point perfectly clear: I have no issues with Greg, his company, or the way he does business…I believe him to be a stand-up guy. What I do have issues with are those that swing from his name, as if that somehow lends credibility to what they’re posting.

--When you come to a site were people exchange ideas and convey information about supercharged C4s, I would expect to not have my input marginalized by a subsequent post saying “stay away from pro-charger…call Greg…[he] can set you up right.” What is the underlying message to this post? That Procharger is somehow a substandard product to Vortech and that anyone other than Greg, or at least those who may have posted prior to this post, will not “set you up right.” I take offense to both of those underlying messages.

I'm certain I've ruffled a few feathers with this posts; sorry, that wasn't my intention. If I do not understand a problem being posed on this site, or if I do not have a constructive suggestion, I typically do not post--"do no harm" is my approach. When I notice bad advice being given, I try to gently correct it (i.e., I can remember someone telling a person w/AFR-220 heads to buy Autolite-104 plugs...those heads don't take the tapered seat plug)...and, when I see someone slam the blower choice someone has made (i.e., D1SC) and their only advice is to call someone that knows what they are talking about, I call BS!
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Old Jan 29, 2006 | 10:29 PM
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Originally Posted by Brand-X
Let me clarify the points I was trying to make….

--“How much is Greg paying these guys?” was a rhetorical question born from sarcasm. I did not believe, nor was it my intention to lead anyone to believe, that he was actually paying persons on this site. As I stated in my prior post, I believe him to be knowledgeable on this subject matter and to have a solid product—let me make this point perfectly clear: I have no issues with Greg, his company, or the way he does business…I believe him to be a stand-up guy. What I do have issues with are those that swing from his name, as if that somehow lends credibility to what they’re posting.

--When you come to a site were people exchange ideas and convey information about supercharged C4s, I would expect to not have my input marginalized by a subsequent post saying “stay away from pro-charger…call Greg…[he] can set you up right.” What is the underlying message to this post? That Procharger is somehow a substandard product to Vortech and that anyone other than Greg, or at least those who may have posted prior to this post, will not “set you up right.” I take offense to both of those underlying messages.

I'm certain I've ruffled a few feathers with this posts; sorry, that wasn't my intention. If I do not understand a problem being posed on this site, or if I do not have a constructive suggestion, I typically do not post--"do no harm" is my approach. When I notice bad advice being given, I try to gently correct it (i.e., I can remember someone telling a person w/AFR-220 heads to buy Autolite-104 plugs...those heads don't take the tapered seat plug)...and, when I see someone slam the blower choice someone has made (i.e., D1SC) and their only advice is to call someone that knows what they are talking about, I call BS!

everyone always says that.
its annoyin
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Old Jan 30, 2006 | 12:31 AM
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Originally Posted by WRIGHTCJW
low 12s/ 450 rear
on my other car i have a maybe 350 rearwheel hp and do mid 12's.

your goal of 450rwhp will get your better than 12's with even street tires!
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Old Jan 30, 2006 | 01:07 AM
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Hey Brand-x,

I understand what you are saying... and your point well taken... I was kinda responding in the same sarcastic way... HEH. In no way have you ruffled my feathers...

I agree with you when I'm in the quest for an answer, I hope to make the right decision the first time , or hopefully have someone point me in the right direction. I try and will continue to do the same...

Mo
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Old Jan 30, 2006 | 11:26 AM
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had both system and both are good companys ....

you are leaving alot of hp on the table if you don't get a tune....

dump the fmu and get bigger injectors and a tune ....
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Old Jan 30, 2006 | 02:21 PM
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Originally Posted by Brand-X
How much is Greg paying these guys? Yes! He has a solid product, he sells a good head unit (i.e., Vortech), he knows blown applications, and his price point is fair but it is a little strange that every time someone tries to do something a little different on this board and asks for advise, a half dozen guys chime in and their only comment is to "call Greg." That is not advice, that is a referral. Be advised, there are a lot of Procharger people on this site too; many of whom are running the 8-rib drive conversion and are very happy with their performance modification choice.
Its called word of mouth. Some guy did a hack job tune on my procharger install and i was disappointed....greg fixed it right up..and i was totaly happy..he is a great guy.....who knows his stuff..there needs to be more eople out there like him
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Old Jan 30, 2006 | 02:24 PM
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Originally Posted by bacardioil
stay away from pro-charger. go with vortec.
call greg at blower works, he the guy that can set you up right.
regards
having a procharger i agree......on a stock 1995, i would go witha vortec kit from Greg at blower works....

thats not to say people with 383's and 396's aren't putting up monster numbers with the Procharger....cause they are.....i just now see that the Vortec seems to be a better kit in comparison
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Old Jan 31, 2006 | 07:59 AM
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Hi Chris,

I'm just small fry! I do most of the work myself, including answering the phone. When I was Carroll SuperCharging I had a good size crew, 20 or so, and after almost 20 years as CSC I closed the doors - couldn't make a living and couldn't pay the great people I had working for me what they deserved. You could say I was a lousy businessman, always stood by my customers, even as I lost my shirt! This is a very difficult business to be in: extremely competitive and often the customer unwilling to pay for quality and knowledge. So often new entries to this market look to save $1500 bucks only to find out the $1500 turns into another $5 or $10K !!! Honestly, I got burned out and was very frustrated.

When I re-opened as BlowerWorks I recognized the importance of maintaining communication with the customer; thus I answer the phone myself and check my e-mails frequently during the day and all hours of the night when I can't sleep. Consequently the customers I have are very loyal as I provide them with very good service; sometimes slower than I'd like, but always quality with good instructions.

I tend to have more Vortech customers than ProCharger since the Vette kits I developed starting in 1987 used first the Paxton blower (only one around then) and then subsequently the Vortech when it appeared on the horizon around 1990. When the first ProCharger head unit became available (600B) I wasn't impressed. Eventually the ProCharger people developed some very impressive head units. In fact the newer units with their large step-up ratios (4 to 5:1) make supercharging much easier than with the Vortech at 3.6:1. If I were to design a new supercharging kit I'd definitely consider/use the ProCharger just because of the large step-up ratio.

Another reason I developed a loyal following is because I have helped ProCharger & Vortech customers alike solve their problems. The L98 & LT1 'ATI' kits leave something to be desired - they are less than complete. When I sell a kit it is complete and it performs as advertised. Currently I am working with a couple of ProCharger owners looking to by-pass the mechanical intercooler which is often a hindrance on a daily driven Vette. In particular there is an opening in the market for an improved belt drive on the ProCharger LT1 kit. I've seen several posts here of Forum members desiring a better ProCharger LT1 drive (like Juergen) and I've seen several posts of members who have made same (like Bruce) and some (like you Chris) who will soon offer one?

I have also done my best to post & share advice to help fellow members - like the extensive fuel pump testing I've done. I think as a result of the above some members say, ask Greg. Fact is there are a number of members on this Forum that are extremely knowledgeable and I've learned from their postings as well!

Anyhow, I'm wandering around here and just wanted to acknowledge you and the fact that the newer ProCharger head units are great pieces and I am by no means the only quote, unquote "expert" here on this Forum. The difference is that I have tried to provide solutions & service to owners of both. Best regards, Greg Carroll.

Last edited by BlowerWorks; Jan 31, 2006 at 08:05 AM. Reason: Acknowledge Chris
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