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Old 06-08-2006 | 06:55 AM
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Default How many hours have you gotten out of your...

How many hours have you gotten out of your HP500?

Still looking at buying this 96 Formula 382 SR 1 with HP500's. The sellers claim that the motors have less than 20 hours, but can't produce receipts! In the last 2 weeks, they've already had to replace the lifters and re-adjust the valves on one motor. The compression is good @ 165 "across the board", although I didn't have it checked myself. The hour meters read like 650 or so.

Before I spend any more time, money or effort, I figured I'd see what ya'll had to say about this matter!

BTW, it is a very good buy, but I got alot of other things cookin' now (and it's summer! ), so I don't want to get into this deal with the easy assumption that I'll being doing rebuilds soon.
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Old 06-08-2006 | 07:09 AM
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Default Re: How many hours have you gotten out of your...

I was originally told you could get 1000 hours before total rebuild. However if they were having problems with a spring, the springs should be replaced in all the cylinders, also I would say 650hrs would be a good time to replace lifters, springs, and go through the motors really good.


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Old 06-08-2006 | 07:38 AM
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12 hrs


We've already spoke but I've heard 500-1000 on bottom ends, around 200-300 on heads (springs, etc). Never had 500's though.
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Old 06-08-2006 | 07:48 AM
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Default Re: How many hours have you gotten out of your...

250 hrs you have to do valve springs, bottom end could probably go for 500.
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Old 06-08-2006 | 09:59 AM
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Default Re: How many hours have you gotten out of your...

Originally Posted by formula1
How many hours have you gotten out of your HP500?

Still looking at buying this 96 Formula 382 SR 1 with HP500's. The sellers claim that the motors have less than 20 hours, but can't produce receipts! In the last 2 weeks, they've already had to replace the lifters and re-adjust the valves on one motor. The compression is good @ 165 "across the board", although I didn't have it checked myself. The hour meters read like 650 or so.

Before I spend any more time, money or effort, I figured I'd see what ya'll had to say about this matter!

BTW, it is a very good buy, but I got alot of other things cookin' now (and it's summer! ), so I don't want to get into this deal with the easy assumption that I'll being doing rebuilds soon.
Sounds a little fishy to me, seems like he could produce a cancelled check or put you in touch with the engine seller or installer.
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Old 06-08-2006 | 10:01 AM
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Default Re: How many hours have you gotten out of your...

I have a pair of 1997 HP500s with ~70 hours on them, in the classifieds. Sorry for the shameless plug.
Thanks,
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Old 06-08-2006 | 10:16 AM
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Default Re: How many hours have you gotten out of your...

I know a guy that has over 600 BRUTAL hours on his 500 EFI's.
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Old 06-08-2006 | 10:56 AM
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Default Re: How many hours have you gotten out of your...

I have a pair of 1997 HP500s with ~70 hours on them, in the classifieds. Sorry for the shameless plug.
Thanks,
Dean
No shame here! If I knew I could get a really good deal on a set of new (newer) 500's, I'd be down there NOW negotiating a deal!
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Old 06-08-2006 | 10:58 AM
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Default Re: How many hours have you gotten out of your...

Oh yeah, I forgot to mention, if there ever was a description for "rode hard and put away wet", it would be this boat...
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