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![]() ![]() Join Date: Aug 2009
Location: South Dakota/California
Posts: 3,794
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90’ (#8550) Corvette (L98) Modifications
New SW Headers New Magnaflow Exhaust New TPiS Air pump delete kit with New Billet Aluminum Pullley New Belt Tensioner Billet Aluminum Pulley New 180 deg thermostat New Chrome Water Pump New Chrome Alternator New Plug wires New C4 Beam Plates New Differential oil drain plug (drilled and tapped) New Differential oil drain plug New Billet Aluminum oil cap Existing Existing Aluminum Radiator New Oil Pan and Gasket including New Milodon 18309 Oil Pump Pickup Fluids Mobile 1 75W-90 Differential oil (limited slip) Fluids Mobile 1 10W-30 synthetic Engine oil Fluids Castrol TWS 10W-60 Transmission oil Eliminated Water Pump Frisbee and added Aluminum Water Pump Pulley Eliminated Air Induction system Eliminated CATS Eliminated EGR Doc Don's Bose Modified Oil Cooler Use NAPA 8020 and 9808 hoses cut to length L98 Oil Cooler Housing Modifications for Headers Modified Marc Haibeck Chips 87 octane calibration (ARFPCL) 29 deg at WOT. Enabled manual transmission. Both fans to go on at 195 and both off at 190 degs. Added +5% at WOT fuel to support +20 hp from headers. Disabled deceleration fuel cut off. Disabled EGR. Idle speed is OE at 600 rpm. 91 octane calibration (ARFPCL1) 29 deg + 4 deg = 33 deg at WOT. Enabled manual transmission. Both fans to go on at 195 and both off at 190 degs. Added +5% at WOT fuel to support +20 hp from headers. Disabled deceleration fuel cut off. Knock retard reduced by 50%. Disabled EGR. Idle speed is OE at 600 rpm. ![]() ![]() ![]() ![]() SW Headers and Magnaflow Exhaust ![]() See 90’ (#8550) Corvette (L98) Modifications For Details
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Left Clickable links ![]() -Solutions- LT5 Modifications/Rebuild Tricks Low Mileage ZR-1 Restoration 1990 Corvette (L98) Modifications LT5 Eliminated Systems LT5 Added Systems LT5/ZR-1 Fluids 1995 LT5 SPECIFIC TOP END REBUILD TRICKS Last edited by Dynomite; 03-13-2017 at 12:51 PM. |
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