Why did you buy the engine you have?
Why did you buy what you have? By this I mean if you build a ls1 and add a supercharger, could you have been in it cheaper buying a LS7? I want the best, most reliable starting point but unsure with all the avail engines out there. The LS1 parts are more avail and add the LS6 intake/Heads and theres a really nice combo. Or, buy the LS2 for more money and have the added cubic inches but is the extra money spent worth it?
Im only worried about the ETC on the LS2 and wiring it up with the pedals out of the GTO. Besides that, it seems that by face value the LS2 would be the better choice any day over the LS1/6.
If Im mistaken or misguided PLEASE point it out!! I just dont want to buy the engine and wish later I would have went another route even thought anything would be better that the empty engine compartment thats there now.
Also, I would like to run a aftermarket fuel management system with this engine so i would not be restricted by the factory computer. Question is, whats the difference (lets hypothetically use F.A.S.T. controller) between the LS1 and LS6 management system. Being that if I start with the base LS1 engine, could I upgrade to a LS6 motor later and not have to change computers?
I have so many questions about this project. I know that it will be worth it in the end, but being my first project without a carburetor scares the crap out of me. Thanks in advance for all your help!!!
Robert
So I'll ask first:
What are your goals and main use for the car?
How much money do you have set aside to spend right now on this entire project?
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I want all the benefits of the fuel injection, great stance and sound. Im not pulling 1g's on skid or even entering in car shows.As of now about $5,000 aside but would wait a little longer for a better deal to keep from doing it twice. I would like the engine/T56 combo at all posssible.
Im wondering what combo everyone started with and why. Why LS6 instead of LS1. Why LS1 instead of spending more for the LS2 and does it really make that big of a difference.
Thanks!!
I want all the benefits of the fuel injection, great stance and sound. Im not pulling 1g's on skid or even entering in car shows.As of now about $5,000 aside but would wait a little longer for a better deal to keep from doing it twice. I would like the engine/T56 combo at all posssible.
Im wondering what combo everyone started with and why. Why LS6 instead of LS1. Why LS1 instead of spending more for the LS2 and does it really make that big of a difference.
Thanks!!
Regards, John McGraw
I want all the benefits of the fuel injection, great stance and sound. Im not pulling 1g's on skid or even entering in car shows.As of now about $5,000 aside but would wait a little longer for a better deal to keep from doing it twice. I would like the engine/T56 combo at all posssible.
Im wondering what combo everyone started with and why. Why LS6 instead of LS1. Why LS1 instead of spending more for the LS2 and does it really make that big of a difference.
Thanks!!
Good heads/cam/LT's and some bolt-ons and you're there.
Might be able to do the whole engine for $5,000, maybe. I don't know how much those tranny's cost.
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I want all the benefits of the fuel injection, great stance and sound. Im not pulling 1g's on skid or even entering in car shows.As of now about $5,000 aside but would wait a little longer for a better deal to keep from doing it twice. I would like the engine/T56 combo at all posssible.
Im wondering what combo everyone started with and why. Why LS6 instead of LS1. Why LS1 instead of spending more for the LS2 and does it really make that big of a difference.
Thanks!!
450 rwhp can be had with any of the above.. although the bigger the better IMO. A 403 or 408 cid will make 450 to the wheels easier than a 346 will.
At 5k you could find a take out LS2 with trans, slap some heads on it and a medium cam and have the 450 and have it be reasonable to drive. This would be the best route to go if you don't have an existing LSx. You will need all the accessories and brackets and sensors and such so a take out engine would be best.
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But if i were to do it again i would do a 364 with an APS w/ LG upgrade.
I have rebulit many SBC and BBC so Im not worried about taking apart an older engine but this would be my first LS1 rebuild. Im assuming it would have the LS6 intake and I would replace the cam anyways as well as whatever may be damaged.
1st question is this '01 LS1 w/ LS6 intake and me replacing the cam......only leaves the heads being the difference between it and a LS6?
Next I believe I can get it for around $600. Since Im starting a project that will require adapting this engine into a '69 camaro am i better off waiting for a pullout of engine/trans with all accessories, wiring, computer? I would love a good deal on a engine, but it seems like this would be a "buy it and store it until needed" instead of a "buy it and then buy every other part your going to need."
This is my first project so Im looking for what would the the most cost effective. THANKS!!!!!
Its not just like rebuilding a sbc or bbc either, it's amazing how many shops with supposed good reputations build them wrong, we see some things that other shops do or don't do that you would never believe
But back on topic... keep looking for a complete take out and don't bother with anything that might be suspect. Far to many good deals on used to settle for something suspect. IF your buying with the intention to repair you might as well buy a bare iron block for $50 form a junkyard and do a 408 yourself and come out with a better engine for about the same money.
I think Im tempted because I have no starting point yet.

Slow down !! you will spend more than you need to by rushing this. Dont buy that, it's not worth $600 not knowing what is wrong with it. Buy a truck block for $50 and start from there.
You can buy a new 6.0 iron block from Scoggins for $733 and IMO would be better than spending $600 on a 2000 LS1 with metal shavings. Your not going to run it the way it is and a 408/364 will be better than a 346/383... for about the same money by the time your done.
BUT... best of all is to keep looking for a complete take out with all the bells and whistles for 5k and be done with it.
Last edited by 99blancoSS; Nov 6, 2009 at 09:49 AM.
Is your $5000 budget for everything or engine/trans only. You have a lot of other items to buy to put LS into the 69 - fuel system, headers, motor mounts, cross-member, hydraulic clutch set-up, drive shaft & yoke, accessory brackets etc - these will eat up more money than you might expect. Really should get this all priced out up front to see what is left on your budget.
Are you looking for 450 hp or 450 rwhp? Big difference. If you are going for latter, hope your 69 came with a 12 bolt from factory.
I'd like to find one of those white ones and do a 1,000 RWHP big single turbo set up for the street. But I haven;t seen those things for sale since then.
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I wanted something that would last me for the next 20 years. I dont have to worry about re-sleeving an iron block and I dont have to worry about boost cracking an iron block.
I also went with the L92 heads and L76 intake. Huge performance gains over the LS6 stuff and its a hell of alot cheaper. You dont need a fast intake to get a 90mm throttle body and the heads and intake out of the box flow way better than the LS6 stuff.
I got a fully balanced rotating assembly forged everything, Eagle rods, JE pistons and 4" eagle stroker crankshaft for $1500 off of a corvette forum.
So thats why I have gone the route I did. Would I turn around and do it another way?
No way...





