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Old 12-04-2018, 01:30 AM   #2
jsceash
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Join Date: Aug 2009
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Garage
2005 intermix from the oil cooler is the same as previous years.

IMS bearings: Mid year 2005 they changed the IMS bearing. I'm not certain the serial number cut line but I've seen it posted before. Basically the beginning of the model year they are the same as the 2003 and 2004. Mid year they became larger and the motor has to be split to change the unit. Failure rate slightly less on the new model. An IMS solution was made to remove the bearing cover and then bearing seal. The new cover has an oil line run to it. More Info may be available on Rennline Forum.

Water pump is the same.

Coolant tank is supposed to be better design /construction.

AOS same design as 2003 and 2004, but better than the 2002 and earlier design.

8 more HP on the S over 2004. I believe that's 16 more than the 2002.

Electric SAP removed and a pump driven off camshaft on Bank 2 added all 2005 and later

Larger Airbox and MAF more direct air flow to TB.

Good luck.
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2003 Black 986. modified for Advanced level HPDE and open track days.
* 3.6L LN block, 06 heads, Carrillo H rods, IDP with 987 intake, Oil mods, LN IMS. * Spec II Clutch, 3.2L S Spec P-P FW. * D2 shocks, GT3 arms & and links, Spacers front and rear * Weight reduced, No carpet, AC deleted, Remote PS pump, PS pump deleted. Recaro Pole position seats, Brey crouse ext. 5 point harness, NHP sport exhaust
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