The HO and non HO motors have different firing orders, there are non HO motors that are roller. 87-88 cougar/t-bird have non HO roller. If you know what car it is out of we might be able to tell you. But if it's been transplanted, who knows.
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Michael Black
QuantumMotorsports
Norman, OK
1984 LX Hatch
306 w/ TRW forged flat toppers, Comp Cams Magnum 292H, GT40P heads w/ 3 angle valve job, .550 lift springs, Angus Racing Roller Rockers, Weiand Stealth Intake, Holley 4150 650cfm carb, MAC 1 5/8 Long Tubes, Single Chamber Flowmasters, 91' T5 w/ Pro 5.0 shifter, Turbo Coupe 8.8 Rear w/ 3.55 gears, QA1 Motorsports tubular K member, no interior except steering wheel and seat.
Coming soon: 6 or 8 point cage, Fuel Cell, Weld Draglites
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