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Tired 420's - What are they worth

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Old 09-28-2006, 06:51 PM
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Default Re: Tired 420's - What are they worth

Quote:
Originally Posted by Griff
There is nothing in the 420's that should be that expensive. Just good basic parts.

All the prices/$$$ you are talking are Canadian, right??????

Take off, what??? 25%???? of the $ amounts to a get a US dollar comparison????? If thats about right, then none of the prices sound out of line.
Our dollar SUCKS right now. It's more like 10%.
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Old 09-29-2006, 11:07 AM
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Default Re: Tired 420's - What are they worth

TS,

I did the exact thing with my Cafe Racer 3 years ago. Biggest mistake i ever made.

I traded my 420s for a pair of 540 tall deck motors (not 502s) I got 5k total on the trade in and paid an additional 10k for the 540s. I ended up having to buy new intakes, carbs and exhaust for the 540s for another 10k along with other things like ignition, etc.

The motors NEVER ran right and I went through valve trains like people go through oil. lifters getting eaten cams getting wiped out...in the end, at the final teardown, the blocks were found to be so old and pitted that the water passages were leaking into the oil.

I got my initial 10k back from the builder but did not get my old motors back, so I ended up being out a set of motors.

On the flip side...my supposed low hour 420s ended up having several sleeved cylinders as reported by the engine builder that took them in on trade....

a real fiasco that finally ended this year when i ripped everything out and dropped in a pair of NEW 496HOS with Bravo XR drives...all NEW from pully to propshaft...

Big thanks to Falcon Hi-Performance for getting be back on the water.
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Old 09-29-2006, 01:01 PM
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Default Re: Tired 420's - What are they worth

I think you can get new 420 hp's for like $5,000 USD/ longblock?
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Old 09-29-2006, 02:12 PM
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Default Re: Tired 420's - What are they worth

If not, even a major marine rebuilder list a rebuilt 420 for $4850 online. $20K sounds kinda high.

Quote:
Originally Posted by gripit
I think you can get new 420 hp's for like $5,000 USD/ longblock?
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Old 09-29-2006, 02:34 PM
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Default Re: Tired 420's - What are they worth

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Originally Posted by Thunder Struck
What are my '89 420's worth on a trade in from a shop willing to sell me fresh 502's 540hp? One runs, one makes noise - 850+ hours on them.
Damn, You won't ever get 850 hrs out of anything else! I'd keep those just for the good luck factor!
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Old 09-29-2006, 03:16 PM
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Default Re: Tired 420's - What are they worth

Quote:
Originally Posted by rdoactive
If not, even a major marine rebuilder list a rebuilt 420 for $4850 online. $20K sounds kinda high.
Where can you find a rebuilt 420HP online?
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Old 09-29-2006, 03:46 PM
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Default Re: Tired 420's - What are they worth

http://www.1800runsnew.com/recon.htm

Quote:
Originally Posted by gripit
Where can you find a rebuilt 420HP online?
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Old 09-30-2006, 09:32 AM
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Default Re: Tired 420's - What are they worth

Anybody else sell rebuilt 420HP's for less?
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Old 09-30-2006, 09:57 AM
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Default Re: Tired 420's - What are they worth

I just built in march 06 454 330hp to all the 420 specs. I even bought a set of bigger heads and valves balanced bored forged parts arp crane etc. I did all the disassembly and assembly and install had a machine shop fit the pistons to rods mic everything balance assembe the heads maybe 4200.00 at the most
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Old 09-30-2006, 10:06 AM
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Default Re: Tired 420's - What are they worth

Does the 330 HP block have 4-bolt mains?
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