Hp feasibility

10k wont do a proper stroker lt1 with forced induction that will survive 500hp+, i'm afraid. you should budget more like 20-25k.

think 10k for a built h/c stroker that'll handle the boost, 10k for the forced induction setup including fuel system upgrades, and at least another 5k for the other supporting mods so your car doesn't snap in half, and so you can put some of that power to the ground.

that might leave you enough for stuff so the NHRA will actually let you RACE this thing, if you budget it properly

on the flip side, you can get 500hp+ n/a on a 383 lt1 no problem with a 10k budget, but you will have to rev the piss out of it, which takes some serious doing. this is not just because a long stroke pushrod engine tends to get really stressed out at high rpms, but also that the LT1 pcm tables stop at 7000 rpm, and the opti tends to fly apart at high rpm (the MSD one will handle it, though)

also, as far as the trans goes, you have it backwards, launch control with a ton of power is MUCH easier with an auto. you should also have a trans brake at that level of power. i would tend to draw a 'line in the sand' for a strip car with a stick around 450hp, but it's up to you.. a built auto with a high stall converter would be more ideal.

just my 2 or 3 cents..

dementedjoker said:

......What are we looking at with a 500+ n/a?.......

Click to expand...

1. Lots of cubic inches.

2. Lots of compression.

3. Solid roller cam & valve train.

4. Lots of cash.

This is your first time with a hi-performance set-up? Then you might want to reconsider your goals.....because a solid roller set-up ain't gonna be the most street friendly beast for a daily driven vehicle.

Now......425 to 450HP at the wheels is very doable with a hydrualic roller set-up.....but past that and you're talking solid roller.

KW

ok... so take this...

stock LT1...275 crank horses

lets figure full CAI/exhaust 30+ hp

were at 300+/- 5

lets figure a GOOD head port and cam package your looking at upwards of 100+ hp gains with tune. (LE2 heads state 410+ RWHP with cam package so food for thought) when you factor in other mods, bigger throttle bodies, etc, your sitting at 400-450 crank hp and really have not even touched the bottom end yet. thats still on STOCK gm pistons/crank/rods.

now lets figure you stroke the SOB... set aside 5-6 thousand for a stroker kit, and some spray... sure its no turbo, but its a monster 383 that when you want the extra power (at that point you could probably spray 300 shot if you select the right componenets) and be at 600+ RWHP laughing at anyone in your rear view mirror and still be a good daily driver, and not have to rev it past 7000 rpms. Selecting proper internals for nitrous would be very important, as would building the fuel system to support it. Injuneer built his 381 LT1 to 500 engine and 300 nitrous horsepower. 800 crank hp is beast for a 94 LT1... sure its not an "Gods gift to F body LS1" but it'l sure beat a mustang! get a good plan , stick with it... and have fun.

yea im hoping i dont have to go that far into the budget. i was just saying 10k to give my self a little room to play with. my main thing to do is forged internals with stroker kit possible if it can be found within budget, some decent heads and intake. bigger throttle body, full msd opti, exhaust, with electric cutouts( not really for performance, just cause i like the sound lol) ram air box with hood, maybe some spray for track days, 3.73 gears, 3500 stall and decent tune. that should get me around where i want to be for hopefully less than 10k if i shop around and get a good deal. and kw i would like to get that motor from you but unfortunately i don't have any money right now lol. im wanting to buy the parts while im gone to the sandbox and build the motor in the kitchen when i get back(the wife doesnt think im serious about that one but she will see differently when my daughter who with be almost 2 is covered in oil and grease when i get back:roflmao oh and the labor im not too worried about just for the simple fact most of the work ill be doing myself, for the exception of the machining that will have to go into the work. that for now is my plan. if you guys have any other ideas keep em comin'. always enjoy input from someone else. thanks:thumbsup:

Well a set of heads and a cam will put you over 400rwhp.

That would cost about ~3000 depending on what you chose.
Would put you into the 12s. Low 12s. Add some gears, stall and some sticky tires you'd be looking into the 11s.
Drop some nitrous like a 150 shot you'd be in the 10s.
A stock bottom end can hold this.

Now you would want to have the trans built, also the 10 bolts are known to blow just by looking at them.

A 9in, 12 bolt, or S60 will be around 2500.

So

~3000 heads/cam
~150 mail order tune/500 dyno tune
~300 for injectors
~200 for fuel pump
~1000 nitrous
~2500 rear end
~500 sticky tires
~2000 trans build
-----------------------
~10000.

The bolds are a must for making power even if you wanted the 383.

Cars are not cheap.