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post #1 of (permalink) Old 12-19-2002, 02:07 PM
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crate or rebuild?

my K5 is gonna need a new motor sometime soon. should i rebuild the 350 it has or buy a crate from gm? im stuck on this one
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post #2 of (permalink) Old 12-19-2002, 03:11 PM
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Re: crate or rebuild?

It's a lot cheaper to rebuild, especially if yours doesn't need any major machining. Also, you get to pick what goes in it.
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post #3 of (permalink) Old 12-19-2002, 04:19 PM
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Re: crate or rebuild?

If you want more power, it's hard to beat the GM crate engines

$2166 through GM parts direct gets you this:

Plus you could sell your old engine for $200-$400 and there's hardly any downtime for your Blazer.
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post #4 of (permalink) Old 12-19-2002, 04:36 PM
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Re: crate or rebuild?

What Wrath said.

I have about a grand into mine right now. It has plenty of power, I'm guessing about 350 hp and about 400 lbs of torque. I plan to go TPI and Vortec heads and hopefully get it up to about 400 hp and about 420 lbs. By then I should probably have about $2k into it total. Most machine shops will offer a warranty if they assemble the engine.
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post #5 of (permalink) Old 12-22-2002, 06:00 PM
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Re: crate or rebuild?

If you have the time to tear down your engine, and reassemble the engine yourself, it's a real money saver. If your not into doing your own engine, I'd go with a GM low-dollar crate engine, but look into all the warranty details. Personally, I've been know to change the cam in a crate engine for a few extra HP [img]images/graemlins/blush.gif[/img], but I've not needed a warranty service. [img]images/graemlins/smile.gif[/img]
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post #6 of (permalink) Old 12-23-2002, 11:33 AM
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Re: crate or rebuild?

go for the rebuild it's alot cheaper and you now what you have when you start,i'm doing the same right now for one of my
k-30's the block show's to be 69-70 that it was 302-327-350
block 4-bolt main and i'm going to use a high torque 327
cam out of a two ton truck and having the block punched 30
over the machine shop's charge 80 bucks a pass and i have my pistons ready to go,i may go with a stock 71 350 cam with
270 hp and 360 lbs of torque in the long run you will i repeat
you will know what is under the hood.but i would like to have
my 454 in the truck but being geared at 456 that will over rev
the tall block and i don't want to do a rebuild on it in the near future i'll just put a 5.0 in the truck till i get my motor done
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