Super charger help

[gss2917]

I have a 2005 XLR that I was thinking of adding the super charger to it to make it a "V" model. Has anybody out there done this or have any advice for me.

 

[klaptrapper]

I don't think it would be a good idea. The V uses a different block. It is 4.4 liters, not 4.6 liters, with the webbing strengthened between cylinders to accommodate the extra pressures. They are also assembled at a different line/location, to insure adherance to specifications.
I don't think it has been attempted before.

Rusty 06 V

I have a 2005 XLR that I was thinking of adding the super charger to it to make it a "V" model. Has anybody out there done this or have any advice for me.

 

[Stella]

Like stated before the block design is nearly the same except the cylinder size. Yes theirs more meat around the a Cylinder walls. Don't know about the lower intake angles might be different so matting the supercharger to the block might need some work. The best option I found besides buying a v model is a rear mounted turbo. Cylinder pressure won't be as high because of the length of tubing. If their are problems with detonation or to much cylinder pressure you can use a meth injection setup to offset it. Rear mounted turbo systems can add 100-200 hp depending on configuration.
I talked with a fella that had a system on his camaro and he loved it. Had nothing but good things to say about it. Believe cost is around 3k

 

[gss2917]

Thanks

Well that answers both of my questions. The turbo sounds like to much work. So what else can I do to increase the hp.

 

[XLRATING]

Well that answers both of my questions. The turbo sounds like to much work. So what else can I do to increase the hp.

Here's a thread with some ideas: https://www.xlr-net.com/forums/cadillac-xlr-general-discussion/5793-dyno-results-on-2006-xlr.html

Not huge gains, but from my past reading it's difficult to do much with a base.

 

[XLRATING]

Some tuner info here but the OP gave up & bought a V: https://www.xlr-net.com/forums/new-member-introductions/7914-intro-to-my-xlr-aspirations.html

 

[CNC]

I'm with Stella on this one. Fraught with engineering problems and danger.

Hi. I looked into doing the same thing and discarded the idea for a bunch or reasons. First, I want to keep mine as original as possible which I think preserves value among other considerations, like trying to keep my odometer mileage as low as possible. Second, in Gold Mist, as far as I know, Cadillac never offered a 'V' model.

Besides intake runner problems, the 4.6 is a different animal than The 'V' block. I believe you'd run a huge risk of detonating the engine.


Stella's Idea of an intercooled turbocharger, I believe is a much better idea. This way you could always return it to OEM configuration if you elected.

Charles