Price of DLM paxton upgrades??

rich v.

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i recently purchased and paxton kit for my 05 srt and have read that everyone puts on the bigger cooler and tensioner from DLM. i was wondering what these cost? i looked on the website, but no prices.
also do i have to get these? or are there some people that don't have them and are happy.
thanks guys
 

Bobpantax

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i recently purchased and paxton kit for my 05 srt and have read that everyone puts on the bigger cooler and tensioner from DLM. i was wondering what these cost? i looked on the website, but no prices.
also do i have to get these? or are there some people that don't have them and are happy.
thanks guys

I have more than 12,000 miles on my Paxtonized SRTC. I do not have either of the above. My system has run, and continues to run, flawlessly - even in the summer heat in Miami. If you want to be really thorough in doing your homework, also communicate with Dan Cragin at DC Performance and Mark Jorgensen at Woodhouse. Dan, Doug and Mark have probably installed more Paxton systems than anyone else. You also might want to see if there is any actual testing data available with respect to the efficacy of both parts. I will defer to GR8 ASP's expertise ( please jump in if you read this ) on the kind of data one might want to review. Also, if you get the tensioner, make sure that someone with experience installs it. If it is too tight, it can damage the nose bearing on the supercharger and, possibly other components. I believe that the tensioner may be a tool that Paxton sells which has been morphed into a tensioner and painted but Doug can explain it better. If you install the "bigger cooler", make sure that it is secured properly. Don't just use a tie of some kind.
 
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Venomiss

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Call Doug Levin direct.


305 249-RACE (Dade) - 954-434-9DLM (Broward)
 

85 of 200

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The bigger cooler makes a HUGE difference, I have put on 2 and did both dynos runs before and after. You dont get more power, but if you are doing back to back to back runs, you can loose 10 to 20 percent of power just from heat soak. With the cooler, I think they might have lost 3 HP. Yes I know street is different than the dyno but it shows how well it works.
 
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rich v.

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Guys, why are u giving me the run around about prices?!?!?
I know some of you have bought them, I do appriciate all the performance feedback but there is no reason no one can tell me the prices.
 

GR8_ASP

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Sorry I missed this - I have been very busy the last few days at work and organizing our club autocross event. If you build big power you will find that the autocross layout creators will even make a layout that defeats horsepower in a big way. I have never dealt with such a tight track. 6 laps per set of Kumhos. Oh my!

Great advice above regarding calling Doug. Prices change over time and that is the best source. Doug is a stand up Viper member and is not out to take you.

That said there was a thread some time ago (maybe even last year) where the prices were stated by Doug himself. I believe he said each individually, the pump upgrade with larger intercooler, and the tensioner.

As to benefit it depends. If you drive in situations where you will heat soak the intercooler coolant supply you will start to lose power as inlet air temps increase and the ECM pulls back spark and adds fuel. A natural response in order to save the engine from detonation (as higher combustion temps lead to increased detonation potential). If you only do bursts of speed, say for a run up the gears the added capacity may not help much. But if you do it on the track, with WOTs over and over, you will definitely need something. Or in high ambients where intercooler efficiency decreases dramatically both the added flow rates and flow capacity will help.

I have gone with th estandard system for 4+ years. At the track I have lived with the power loss as laps build. I am in the midst of installing a second intercooler to be mounted in the back where differential air exhausts. That has several advantages: It adds additional intercooler area, it does not add to underhood cooling issues and it adds significant coolant volume. An added pump in line will assist th eprimary pump as well.I believe Doug has done this on some cars as well.

As to the tensioner that is more mixed. Several people have complained about slipping belts. That would indicate a tensioner issue. I am not sure if it is the parts or the assembly, but Doug's tensioner has received good reviews. Many, myself included, have not seen a need for upgrade in that area.
 

Billy Coons

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Stock set-up here, no issues. Asked DC when I bought mine and Dan didn't feel it was necessary. With that, Dan just recently developed a higher capacity cooler/pump configuration that may be something to consider as well.

I made 5 back to back runs at the strip and on the dyno and didn't see any noticeable loss in my times, mph or rwhp.
 

Bobpantax

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Thank you GR8 ASP. As usual, excellent data. Please start a new thread when you finish your rear intercooler and let us know the details. A Florida VCA member has a rear intercooler fabricated and installed by Doug but we have not been provided with detailed data about it. One of the questions I had about it was whether the additional weight of the water over the rear wheels might actually improve traction. Any thoughts on this issue? How many additional gallons of water do you anticipate using? Also, will this additional amount of weight require recorner balancing for those who already are corner balanced?
 

plumcrazy

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doug likes the extra weight over the rear tires for that exact reason. im gonna be doing the same mod this coming winter.

id think an extra 40-50 pounds directly over the axle is a good thing
 

SnakeEye

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Sorry I missed this - I have been very busy the last few days at work and organizing our club autocross event. If you build big power you will find that the autocross layout creators will even make a layout that defeats horsepower in a big way. I have never dealt with such a tight track. 6 laps per set of Kumhos. Oh my...

Consider that 6 [hot] laps per set of tires is certainly not the norm for almost any imaginible track event. Being a member of Harris Hill Road's 1.8mi road course Harris Hill Road, among others, a tight (Viper;) lol) roadcourse... never experienced anything like what is "claimed." I"d suggest to get your Vper setup by a pro and go out and experience some fun. My '06 has also seen a good many laps at the 2.8miTexas World Speedway where speeds reach 150mph+ and this Woodhouse supercharged Viper has done just fine. More than likey, your Viper and you will get way *way* more than 6 laps per set of tires in almost any venue you can concieve ... what are you waiting for...:lmao:Have at it with much success.
 
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GR8_ASP

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Thanks for the criticism. Same tires lapping at a track day (road course) last for approximately 10-15 sessions. This was a brutal autocross track which is MUCH harder on tires than a road race course. A 200 ft full circle on a very abrasive surface plus many full lock turns. Absolutely brutal. Note all 4 tires were wasted, though the left front paid the biggest penalty. Not for naught though as the last run lasted for the full day as the quickest.
 

SnakeEye

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GR8_ASP, you've been around here along time as well but not too sure shopping center parking lots littered with cones count? ;)
Maybe it was 6 smokey burnouts that caused the short tire life. lol
Nothing else like a Viper.:2tu:

PS: ... heading back to topic; DLM is one of a select few.:)
 
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Fast Too

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i recently purchased and paxton kit for my 05 srt and have read that everyone puts on the bigger cooler and tensioner from DLM. i was wondering what these cost? i looked on the website, but no prices.
also do i have to get these? or are there some people that don't have them and are happy.
thanks guys

I think I got like 1,100 ******* in this DLM cooler and tensioner. I'm still not sold on the cooler. The water doesn't seem to flow well. I used to be able to hear the pump run with the key on from the drivers door, now I got to go to the front of the car and put my ear in the facia to hear it. I have had it in for 9 months and think the pump is about done. There is no obstructions, kinks etc in the hoses. I haven't got to Doug yet to talk about pump life expectancy but mine seemed very short lived.
 

Bobpantax

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Test data concerning efficacy, durability, and any maintenance required of the components would be useful. Maybe I am just picky but I think that installing mods without seeing data of this type does not make much sense. SRT exhaustively tests the car before releasing it for sale to us. So, with that said, is there any test data available on the items mentioned - including the pump issue mentioned by Fast Too? If so, please post the data. Thanks.
 
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I think I got like 1,100 ******* in this DLM cooler and tensioner. I'm still not sold on the cooler. The water doesn't seem to flow well. I used to be able to hear the pump run with the key on from the drivers door, now I got to go to the front of the car and put my ear in the facia to hear it. I have had it in for 9 months and think the pump is about done. There is no obstructions, kinks etc in the hoses. I haven't got to Doug yet to talk about pump life expectancy but mine seemed very short lived.

Hello Fast Too!

A very thoughtful Viper owner forwarded me a copy of your forum comment to see how I could be of help.

Please, do call me so we can figure out what may be the problem with your pump or cooler.

I can't tell you how much I appreciate your support in purchasing our products, and if I can be of service I will help in any way I can :)

I do have them in stock and I can send you out another one right away. This way you can send your's back to me and we can see what may have gone wrong - it's a big help to everyone and I really would appreciate it too.

I'll look forward to hearing from you,

Best regards,
Doug Levin
 

Fast Too

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Doug - Thanks for the response I have been watching for it while I could today. I plan to call later this afternoon when I have more time after work to chat. I do have several of your other helpful products in my car as well such as the machined smaller paxton pully and the ATI dampener you modified to fit the gen 3. No complaints with those.
 
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