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Old 06-11-2007, 01:59 PM
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Engine....whats it worth?

I have decided to change my engine plans.
So I have decided to sell my engine.
My friend bought this engine brand new in 1990 from GM, then immediately took the engine to a professional engine builder (still in business),
for more precise balancing and polishing sharp edges.
This engine is still New, Never been started. Not rebuilt !
I bought in 1995. It is an LS7 bigblock. I have all the GM paperwork,
Part numbers, And machine shop paper work.
This is a 12:1 Compression motor, solid lifter, estimated 650 HP. Needs 110 octane. This is a little to much for me.
I am going to get a more street friendly motor.
I painted the engine Chevy Orange.(was black)
Some things that would come with it:
New Stealth Intake with fresh clear powdercoat
New aluminum valve covers powdercoated Orange
New Chrome steel Valve covers
Original valve covers
New March aluminum pulleys/crank/water/steering
New polished aluminum high flow waterpump
New fluidampr harmonic balancer
New Demon 850 Carb still in box.
New Hooker Competition Ceramic coat Headers
New in box MSD distributor
New Air cleaner, chrome
And a few more things.
I can supply photo’s of engine and paperwork,
I am trying to come up with a fair price to offer for sale.
Any idea what would be a fair selling price ?
Thanks.

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Old 06-11-2007, 03:05 PM
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How much did you pay for it in 1995?
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Old 06-11-2007, 03:19 PM
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can't be an ls7 it came out in 2006 and it's a small block.
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Old 06-11-2007, 03:39 PM
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Quote:
Originally Posted by 383silverado
can't be an ls7 it came out in 2006 and it's a small block.
Acutally LS7 was an engine code for a 454 in 1970 there was a LS6 454 too.
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Old 06-11-2007, 03:55 PM
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Quote:
Originally Posted by RippinRon
Acutally LS7 was an engine code for a 454 in 1970 there was a LS6 454 too.
my bad i skipped the part when his friend bought in 1990 thought he meant he bought the new ls7 in 95

Chevrolet previously used the LS-7 designation (note the hyphen) to name a higher horsepoweer version of the 454 cubic inch (7.4 L) Mark IV engine in 1970. However given the anti-performance regulations looming in the near future, the LS-7 as a whole never left the drawing board. Essenstially the stillborne LS-7 was to have an improved intake manifold escalating output to 465HP (versus the famed LS-6's 450HP). However an unknown quantity of LS-7 intake manifolds were produced by the factory and sold by dealers as in-house performance options.

The 1970 LS-7 was in no way related to the present day LS7—the two engines are completely different designs.
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Old 06-11-2007, 06:00 PM
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Here are a couple pic's
the front pad number reads TL29XCH9
rear cast number 14015445
gm assembly number 3965774
Just wondering how much to ask.
Thanks
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Old 06-11-2007, 06:43 PM
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looks sweet, do you have any info on the internals rods, crank pistons cam timing chain double roller? only then will you have an idea what it's worth

i think you might you or the next buyer will have to tear it all down to make sure that there's no rust built up in the engine ( the rings ) because it's been sitting so long. if i were you i would see if there's any way to lower the compression larger combustion camber heads , thicker head gasket.

i would keep it.

Last edited by 383silverado; 06-11-2007 at 07:54 PM.
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