Block Number
02-07-2008, 08:09 PM
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Car: 89 Firebird Formula
Engine: chevy 5.7 V8 TBI but carbed soon
Transmission: T-5
Axle/Gears: no freakin clue lol
Block Number
Well i managed to get under the hood today and i found a number im not sure if it is the right number but maybe you guys can help V0629TPD
02-08-2008, 12:08 AM
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Car: Camaro RS/SS
Engine: 5.7 LS1
Transmission: 4L60E Transgo shift kit, 3500 stall
Axle/Gears: 4th Gen Rear 3:42
Re: Block Number
I tried to Google it and got nothing. Sorry, i tried
02-08-2008, 12:38 AM
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Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Re: Block Number
You will find a large number upside down:
627=...305
638=...350
880=...350 trk.
These are the last three numbers of the block casting.
14093627...305...87-94...2...Roller or flat tappet cam, one-piece rear seal
14093638...350...87-95...2 or 4...Roller or flat tappet cam, one-piece rear seal
10243880...350...95-00...2 or 4...Vortec truck, Gen.I crate motors and "ZZ4", roller cam, one piece rear seal
That should help you.
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