Forced Induction Superchargers | Turbochargers | Intercoolers

352'' LSX 275 special

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Old 10-13-2011, 10:31 PM
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Ahh the venerable 352, Casper did it and used it can't see why it wouldn't work great in a 275 car.
Old 10-14-2011, 05:57 AM
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Originally Posted by BlueMonza
Sorry to dig up an old thread Miller, but I was just curious if you think this engine/turbo combo would still be competetive with the 4.80-90's, and maybe .70's soon enough, the x275 cars seem to running now. If I ever hit the lotto I'll send you the car, just call me when it's done.
you would probably need a 98-106mm turbo or twins. i have a very similar lsx built and i have a 101mm turbo to go on it. i would love to go 5.0
Old 10-14-2011, 01:05 PM
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Originally Posted by BlueMonza
Sorry to dig up an old thread Miller, but I was just curious if you think this engine/turbo combo would still be competetive with the 4.80-90's, and maybe .70's soon enough, the x275 cars seem to running now. If I ever hit the lotto I'll send you the car, just call me when it's done.
IIRC Smith runs an LSX + Nitrous combo into the high 4's and wins often. I'm pretty sure it's an LSX block. The turbo cars just don't seem to be able to 60' well enough and consistently enough to run the high 4's necessary despite having great MPH.
Old 10-14-2011, 06:38 PM
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Originally Posted by BlueMonza
Sorry to dig up an old thread Miller, but I was just curious if you think this engine/turbo combo would still be competetive with the 4.80-90's, and maybe .70's soon enough, the x275 cars seem to running now. If I ever hit the lotto I'll send you the car, just call me when it's done.
one of these engines has already run a 4.97 in testing. that was 275 legal trim. hopefully he will run it yet this year.
Old 10-14-2011, 06:38 PM
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Originally Posted by 98Z28CobraKiller
IIRC Smith runs an LSX + Nitrous combo into the high 4's and wins often. I'm pretty sure it's an LSX block. The turbo cars just don't seem to be able to 60' well enough and consistently enough to run the high 4's necessary despite having great MPH.
Smith is going to a procharger for next year.
Old 10-14-2011, 07:38 PM
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Originally Posted by Shawn @ VA Speed
one of these engines has already run a 4.97 in testing. that was 275 legal trim. hopefully he will run it yet this year.
Nice... I didn't know that. I was following x275 close earlier this year but kinda dropped off in the last month. I was digging through my subscribed threads when I found this one from early last year, so I figured I'd try to get an update from you since the class has advanced leaps and bounds this year. I got faith in your creations Miller, just wanted your opinion, and to bump an old thread for you to.
Old 10-14-2011, 07:41 PM
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Originally Posted by Shawn @ VA Speed
Smith is going to a procharger for next year.
I read that yellowbullet, have you designed one of these to run a F1R or other superchargers ?? Forgive my severe lack of boosted knowledge.
Old 10-14-2011, 10:13 PM
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Originally Posted by Shawn @ VA Speed
Smith is going to a procharger for next year.
Last I read he was keeping the nitrous car as well. Has he changed his mind?
Old 10-15-2011, 12:15 AM
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The blower cars seem to work well also. It's the turbo cars that aren't winning yet they still get gimped because everyone cries about their mile per hour.



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