LS-7 all the way!

It also depends on if you want the look of a modern motor, i do not so i did not go with a LS motor. I will say now that you can get a carb for one and you can do some other things that make them look less "new tech" so they are not as bad now in my book.

Here is your best choice(s).

http://www.sdparts.com/product/MMS11...rnKeyWECM.aspx

If this is too much, try these:

http://www.sdparts.com/catalogsdparts.aspx

Turn key and ready to go LS3 engines.

These are the best I have found and they are not even Supercharged yet.

What do you think?

Ty

I've driven a 502 RamJet, I'd opt for the LS engine hands down. Toss-up between the LS3 and LS7; for the money of the LS7 you could have a modded LS2/3 that makes more power.

Jody

I think the LS7 is at the very high end of the budget, engine is 13k out of the box and I dont think that includes the ecm. Add the oil system hardware and electronics and you have to be at 15k, forget about forged internals, these engines go near 20k when done. To get an ls7 to 500 rear wheel hp gonna need a cam change as well(should be close). Im with Jody on the LS2/3 modded will be cheaper. Keep in mind the accessory drive systems for these engines aren't cheap and pipes as well. My vote is for the ls3 with a stroker crank.:thumbsup:
Also has to be 100+ pound difference off the nose of the car comparing the LS to the ramjet.

Rich

I would look into the new Edelbrock/ Pat Musi EFI 555. Can be had for a little over 14k and looks to be a turn key setup. 675hp/650tq. Dart block, Scat forged steel crank, JE pistons, H-beam rods, Victor aluminum heads, pro flo xt fuel injection system, 2 year warranty, and they claim a little over 19 mpg.

i have two bigblocks and i have to say its twice as expensive and half as fun as an LSx engine.... the BBC looks and performs great,,, but you really have to shell out cash to get somthing good.. (and thats not a GM engine) my money would go towards a shafiroff untrastreet engine or a cammed LS3.. you can buy a 550 hp LS3 for about half the price of a 505 hp LS7.. and once you touch the ls7 the warranty is gone...

take a look at www.mastmotorsports.com and simmilar enginebuilders... schwartz is also a good bet.. but im not sure what he chrages....

I really love the LSX motors but to people outside this little community (lateral-g and pro-touring) the LSX is just a transplanted vette motor. Nothing draws a crowd and keeps a crowd like a well built big block.

My vote would be for a forged ls3 with a twin screw on top.

$4K for the short
$2K for complete dart heads with upgraded springs and good valve job.
That leaves alot of money on the table for the blower and the rest of the setup. Plus it looks PIMP!!

This is oh so true.

I am a ls nut and I will stare at a BBC for a long time.