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lonestarrpm
Joined: 24 Jun 2010
Posts: 25
Location: austin texas
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 Posted: Tue Jul 20, 2010 7:13 am Post subject: Pre-Racing Engine work |
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Plan to run LeMons than go Spec 944.
but we wanted to look at what we should do to most likely maximize our
longevity of the engine.
we've got a 88 924S.
Plan to do bearings, ARP bearing bolts/nuts.
replace the oil sump pick up, and add a skirt.
is a Dayco timing belt sufficient -- or are folks ponying up the extra $100
for a racing timing belt?
any other must do that are budget reasonable?
thx,
Mike
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Porsche M96 Engine Rebuilds |
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Rasta Monsta
Joined: 12 Jul 2006
Posts: 11733
Location: PacNW
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| Posted: Tue Jul 20, 2010 7:18 am Post subject: |
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Buy a new radiator, and don't run a thermostat.
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Toofah King Bad
- WeiBe (1987 924S 2.5t) - 931 S3
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924RACR
Joined: 29 Jul 2001
Posts: 9075
Location: Royal Oak, MI, USA
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| Posted: Tue Jul 20, 2010 11:45 pm Post subject: |
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I would expect to run the dayco belt.
If you're in there, you might consider lightening/balancing; can be done easy/cheap at home, doing just the rods and pistons...
By skirt, did you mean a crank scraper?
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Vaughan Scott
Webmeister
'79 924 #77 SCCA H Prod racecar
'82 931 Plat. Silver
#25 Hidari Firefly P2 sports prototype |
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lonestarrpm
Joined: 24 Jun 2010
Posts: 25
Location: austin texas
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| Posted: Wed Jul 21, 2010 1:05 am Post subject: |
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| 924RACR wrote: | I would expect to run the dayco belt.
If you're in there, you might consider lightening/balancing; can be done easy/cheap at home, doing just the rods and pistons...
By skirt, did you mean a crank scraper? |
Not that familiar with the crank scrapers,
what i was thinking of was a baffles system.
Mike
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ideola
Joined: 01 Oct 2004
Posts: 15550
Location: Spring Lake MI
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| Posted: Wed Jul 21, 2010 1:41 am Post subject: |
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| lonestarrpm wrote: | | 924RACR wrote: | I would expect to run the dayco belt.
If you're in there, you might consider lightening/balancing; can be done easy/cheap at home, doing just the rods and pistons...
By skirt, did you mean a crank scraper? |
Not that familiar with the crank scrapers,
what i was thinking of was a baffles system.
Mike |
Mike
There are three options for crank scrapers from Ishihara-Johnson:
A single scraper;
A dual scraper;
Dual scraper with windage tray.
I am a reseller for I-J, so if you're interested in this approach, I can help you acquire the bits you need for less than what you can purchase them directly. Send me a PM if interested.
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erstwhile owner of just about every 924 variant ever made |
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