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Old 04-27-05, 11:06 PM
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timothyr timothyr is offline
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Cadillac(s): 78 FWB d'Elegance, 92 deVille, 93 Seville, 06 DTS
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Re: The "4.9 liter turbocharger, stage 1" thread.

Illumina

Glad to hear someone is as nuts as me when it comes to stuff like this. I have been off the forum for about 6 months, and was honestly just scavanging for information to do the same thing with my 93 seville (also a 4.9)

as far as the intercooler, from doing several n/a to turbo conversions in the past, high compression, and high charge air temps are not a good combo. Ultimately I am looking to run somewhere close to 9psi on my car....no flames, i am just slightly nuts. for what you are talking about in stage 1, I would seriously consider looking at water/menthonal injected cooling. it drops the charge temp, and avoids pre-ignition pretty well. An intercooler is great if you are up for dealing with the plumbing, injection is the next best thing, and can be done pretty cheap if you build the system yourself.

Another thought, if you are interested, I just had the tranny rebuilt and guarnteed to withstand 600ft/lbs of torque, with a true limited slip front diff...what fun is monsterious torque if all you do is blow up one front tire?

Best of luck on your project, the part i am somewhat stuck on is a clean and straight forward method of getting the extra fuel in.