want LS6 CORVETTE engine in my 4.3L 97 s10 Blazer, Can I do it?

[Thrust]

I have a 1997 S-10 Blazer with 4.3L Vortech currently. I want to race my blazer. I am wondering if either an LS6, LS1, or an LT1 Corvette engine will fit in my blazer. Has it been done before? I think it would be better to swap than to bore out my current 4.3L. What do you think?

[BlazerLT]

Yes, and ....Yes.

[Thrust]

Originally Posted by BlazerLT

Yes, and ....Yes.

Ok, I was told that there is a lot of fabrication that needs to be done, that my frame can't handle the conditions (power), that I'll need to replace my tranie, and that I'll need to replace my rearend with at least a 8.5" poxie. Is this all true?

[BlazerLT]

Yes.

If you want to go with that kind of power.

Why not just drop a standard 350 in there and use your existing tranny.

[annguyen1981]

You will have to do a LOT of modifications... GOOD LUCK!!!!

[Thrust]

Ok, now im thinking about putting not an LS6 engine in but an LS1, the smaller one, will there still there need to be a lot of fab work? It is my understanding that the Ls1 with the big tranie wont fit and that I would have to get into modifying the actual frame?

[Thrust]

Again I want to race my blazer so in the end I want to push 550-600 Hp.

[rblenkhorn]

the blazer actually isnt a 'race' vehicle.. maybe get something more race ready?? like a viper..

[BlazerLT]

lol,,,

Hmm.... $10,000 in a Blazer with an LT1 or a $80,000 Viper. I'll take the Blazer and keep the rest of the money in the bank.

[annguyen1981]

I think the important question is:

What kind of racing are you planning on doing? Drag, track, street....

[Thrust]

Originally Posted by annguyen1981

I think the important question is:

What kind of racing are you planning on doing? Drag, track, street....

I plan on drag racing with a little street racing on the side. I want to race the blazer cuz it'l be an awesome sleeper. The only thing is I don't have 10K to put into my blazer. Now I'm thinking about either supercharging my current 4.3L or maybe putting a twin turbo in and not hassel with a engine swap. I can still probably peak at little over 400Hp with fixing up my V6. Got any ideas other than supercharger or turbo, headers, intake, poxi rear, flowmaster.

[BlazerLT]

You realistically need to come down to reality a bit bro.

The stock 4.3L crank can old realistically and reliably hold maybe 350HP max without having problems after a while. You will have to completely rebuild a 4.3L to handle those kinds of numbers.

Twin Turbo = ~$5000-7000 with lots of modifications

Supercharger = $2000-4000

Cheapest way to get any horsepower in a blazer is to drop a LT1 in.

You will get far better results from it than any built 4.3L.

[annguyen1981]

In order to do some drag racing, you'll have to strengthen the frame, engine mounts, upgrade at least the rear axle, and of course the more obvious things (suspension, exhaust system, etc...)

[Mikado14]

You don't have $10,000.

You want twin turbos or a supercharger.

A turbo may run in the range of $800 - $1000 EACH.
Not to mention all the plumbing, the guages if your going to monitor boost so you know whats going on, and of course you will need twin pyrometers.
By the time your done with the turbos you may have only 4K.

Now you looking at upgrading the tranny for the added HP not to mention the rear and the rear suspension. Geez, it goes on.

And as Blazer LT succinctly pointed out, that crank "ain't gonna" hold up for long.

Listen to what these gents are telling you unless you win the lottery and you want to spend money.

[Thrust]

Oh, blazer LT, so if I put in just a regular 350, like maybe the v8 vortec, i can still use existing tranie?