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chaparral
chaparral GRM+ Memberand Reader
4/11/12 4:49 p.m.

I think what you want is EFI on the 425. There are several options.

mazdeuce
mazdeuce Reader
4/11/12 4:53 p.m.

LS truck motor with a moderate single turbo. The combo is cheap, makes fantastic power, and it's been done so much that the info is all over the Internet. Mileage would be about as good as you could get in the car as long as you kept your foor out of it, and it would be fun if you didn't. Should be stone reliable as well.
Sure, it's not GRM interesting, but it would work well. That's what I would do.

pres589
pres589 Dork
4/11/12 5:05 p.m.

TBI out of a 90's 454 truck and a 200-4R if you like swap projects. I'd keep whatever is under the hood as long as it isn't a diesel. Actually those can be built too after making it a gas engine again, from what I've read.

Osterkraut
Osterkraut UltraDork
4/11/12 5:23 p.m.
mazdeuce wrote: LS truck motor with a moderate single turbo. The combo is cheap, makes fantastic power, and it's been done so much that the info is all over the Internet. Mileage would be about as good as you could get in the car as long as you kept your foor out of it, and it would be fun if you didn't. Should be stone reliable as well. Sure, it's not GRM interesting, but it would work well. That's what I would do.

I wonder if the big Atlas 6 with a turbo would turn better mileage numbers for a reasonable amount of power.

novaderrik
novaderrik SuperDork
4/11/12 6:29 p.m.
chaparral wrote: I think what you want is EFI on the 425. There are several options.

some of them came with multi port EFI.. stock.. i had one in the mid 90's.. it was a gutless gas hog, but it was awesome in the snow..

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