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Hey has anyone every experimented with supercharging a 460 with the M90 off the mid 80's thunderbirds. I read an article where a guy put two on a 351 with amazing results and i wasn't sure if this had been done to a 460 yet. I'd sure like to try......
I have also been having the same thoughts. It is very difficult to find a supercharger for this engine (at least by looking at the web site listings).
Marvin at The Blower Shop (www.theblowershop.com) has a setup. You don't want over 8.5:1 compression or you need to run such a low (4lbs) of boost its not worth the money.
Never seen a blown big block, but I've seen some turbo-ed 460's. In fact, I've seen some twin-turbo 460's. Very impressive numbers too.
Also like was said earlier, try to keep the compression down, unless you like driving around with 110 octane racing gas.
T-birds were turbo charged till 1988. you could use the turbos though.
Cody, Coutts Alberta
82' Flareside: zoom zoom doesn't even begin to describe it, 2/4 Drop, Soon to have 325hp 351 Clevo (maybe more,in a 3600lb truck)Backed by a C6 with a 2000 rpm stall and a 3.50 9 incher, American Racing AR-23 (series 23) wheels, Upgraded interior, Sony Xplod stereo
Forget T-Bird turbos on a 460. We run twin T3's on 5.0L Mustangs, they wouldn't be up to boosting a 460.
You'd want at least a T76, probably more. Look into Powerstroke turbos for that low RPM boost. They don't spool quick, but they don't need to either on a truck.
You don't want a diseal turbo cause they don't spin fast enough for a gasoline engine.
Cody, Coutts Alberta
82' Flareside: zoom zoom doesn't even begin to describe it, 2/4 Drop, Soon to have 325hp 351 Clevo (maybe more,in a 3600lb truck)Backed by a C6 with a 2000 rpm stall and a 3.50 9 incher, American Racing AR-23 (series 23) wheels, Upgraded interior, Sony Xplod stereo
[updated:LAST EDITED ON 04-Aug-02 AT 05:57 PM (EST)]How fast are you going to be reving a 460 big block on a truck?!? I completely agree if you're talking about an engine for a car which is small and quick reving and will vary it's RPM's quickly and frequently, but for a truck engine, which will likely see lots of low RPM's, or at least constant RPM's, the bigger turbo will work just fine.
Now, if you're going to try and duplicate the TT Fairmont that I've seen, then you want TWO smaller turbos so that you reach the same peak boost levels but have the faster spooling characteristics of the smaller turbos, but the T3's off of the T-Birds are just too small for that type of engine displacement.
Looking to build a 2000+ hp race motor with twin turbos. We currently have a 2000hp (with a 500 shot of NOS) 541 but want to get away from NOS altogether. Our issues are trying to get the boost built for a 200 foot run through mud...which we think we have figured out...and what type of specs our motor needs. Using our heads might be a go but our current pistons, rods, cam and dual fours probably need to go. One of the things we are also looking for is dependability...we want to set this up so that we can go a race season (about 8 races with four runs a race) with little to no maintenance between races...basically...load the truck on the trailer and go have fun. We have a truck that can handle the horsepower and torque that this type of monster engine can put out but we have little to no experience building high power turbo motors.
Any help or advice would be great...we have seen people dyno twin turbo motors with over 3000hp...we want to learn what they do to get that power and how to set it up....probably not huge differences in physical components would guess but better off knowing than guessing.
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