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#1 |
Registered Member
Join Date: Sep 2002
Location: IL
Posts: 105
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![]() the octane that STOCK mustangs perform the best at is midgrade and if/when you used premium fuel the car can get sluggish a bit... i used to know the reasons, but it might be something how it effects the sensors.... but im 100 percent sure mustangs are recomended to use mid-grade fuel. There was an article on the HP stock mustang produced and the order is...
1. mid-grade... most power 2. regular... a few hp less 3. premium...was way back in the HP -hope i helped
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89' GT with 5spd Hurst short throw, Keith Black 12:1 comp. pistons, Sealed Power drag racing rings, Fms F303 Cam, Ported and polished upper and lower intake with Ported E7TE heads that contain comp. cam double coiled springs with titainum locks and steel retainers, Fel-Pro Head Gaskets, 9mm ford racing wires, BBK chrome unequal shortys, Power Throttle bodies 70mm, Edlebrock 70mm EGR plate, 15inch K&N, Bassani X-pipe, Flowmaster 40 series, Eibach 1 1/2 lowering springs, Cobra R rims 17X9 with p235 on front and p275 on rear with Falken Zeix tires-RUNNING! |
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