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Old 07-26-2006, 07:18 AM   #1
BossGVR4
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Default Freshening Up a Longblock before install

I bought another NASIOC members EJ2.5 SOHC longblock w/ 70K on it and will be swapping it into my 99 Forester.

I was planning to do the following to freshen up the block:

~ headgaskets
~ ARP headstuds
~ timing belt, pulleys, and tensioner
~ water pump

Would you guys suggest anything else ?

Thanks,

Dave
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Old 07-26-2006, 08:01 AM   #2
AJ711
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Cam seals, valve cover gaskets, any seal that you can replace will be a good thing. Radiator hoses, thermostat, rubber vacuum and coolant hoses, top off the R-134a, fuel line hoses and any other rubber hose that might have degraded over time.
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Old 07-26-2006, 08:48 AM   #3
Jeromee
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Quote:
Originally Posted by midnx03
Cam seals, valve cover gaskets, any seal that you can replace will be a good thing. Radiator hoses, thermostat, rubber vacuum and coolant hoses, top off the R-134a, fuel line hoses and any other rubber hose that might have degraded over time.
Rear main seal. head gaskets, timing belt, cam seals, valve cover gaskets, spark plug gaskets, water pump... the ARP head studs aren't needed, its not like you're building a race car. You might want to spin all the rollers for the timing belt and listen for noise, if they're noisey, replace emm.
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Old 07-26-2006, 09:18 AM   #4
Skidd
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You might consider the oil-pump o-ring. It was the reason for the leak in my motor.

And if your looking for a few more ponies, while you've got it all apart, I'd send your cams to Delta Cam for a regrind. I just finished mine last weekend, and I don't regret it for a second. I'm planning to do a full writeup on my swap this comming weekened, but I'll give you the short short version... Pros: Smoother mid-top power, revs to redline easily, more HP no question. Cons: Rough idle. Not bad like it's going to stall rough, but a bit rough none-the-less. I also have a CEL but I"m 90% sure it's due to my OBX Header and missing Cat. The CEL comes and goes. I'll keep my eye on it.
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Old 07-26-2006, 09:20 AM   #5
Calamity Jesus
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R&R the oil pump and retighten the machine screws on the back side. Replace the crank seal and o-ring (usually come together). Also, replace the rear main seal & R&R the the cover plate(s) at the rear. The oil pump and rear cover are sealed on with Fujibond.. might as well clean off the old stuff and slap on some new.

Also, adjust the valve lash while you've got the valve covers open.
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