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Thread: ? about 93 corvette pistons
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06-09-2014, 07:28 AM #1
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? about 93 corvette pistons
ok guys i have pulled down a 93 corvette and its motor. car has 90k on it maybe ,had a lifter fail, so my ? is are the corvette pistons coated on the piston scurts ? also should
i put arp bolts in the mains and rods and what is needed if i do so ?
10301430_10202117106421663_2280153938513366230_n.jpg10381989_10202117105741646_295598626346815230_n.jpg
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06-09-2014, 07:54 PM #2
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put the arp bolts in while its all apart. no sense in not doing it
94' Z28 A4 black: turbo build in progress
94' Formula A4 red: 355, 11.5:1cr, LE 231/239 cam, comp promags, lpp's, Yank stall, 3:42's, Solomon tune
07' Impala A4: 180000 miles of stockness
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06-09-2014, 08:11 PM #3
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ok what about the pistons
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06-09-2014, 09:33 PM #4
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My 94 Formula factory pistons did not have a coated skirt. Also did not have the letters or cross-hatch or whatever it is in the flat area next to the wrist pin. Inside of the skirt walls it will say "Mahle" on one side and "Brasil" on the other. And no locator tabs for the oil ring. Maybe the Y-body pistons were different????
SOLD - GONE TO A (VERY) GOOD HOME ! - 94 Formula A3+1: 381ci forged stroker - Callies Stealth, Oliver 5.85 billet rods, BME nitrous pistons / CNC LT4 heads / CC solid roller / TH400+GearVendors OD / 4.11 Strange 12-bolt / 300-shot N2O / Spohn Suspension / roll bar / MoTeC M48 Pro engine management system /a few other odds 'n ends.
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06-11-2014, 09:07 PM #5
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I don't think those pistons look any different than the ones I pulled out of a 95 Roadmaster. No coating.
If you want ARP bolts in the rods then you'll need the pistons removed and the big ends resized. Sometimes the pistons don't come off easily and are damaged in the process.
ARP fasteners on the mains will probably require a line hone.96 Z28 - ERE-383, AFRs, 9", Procharger D1, TermiX, etc.
95 Roadmaster - T56 swap, H/C, suspension (aka The Cammaster)
95 Firehawk - LE1s, suspension, brakes, HPDE car --> Track Vids
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