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| SBR |
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What gains if any would you get from onto a putting a 3.9l head ( giving the motor a higher compression ) onto a 4.0L tickford motor. Also what would be involved and also would you have to change the octane rating in the fuel.??
_________________ " If you aint first, Your last!" |
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| Steady ED |
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The gains in comp would be offset by the worse flow, there is a reason they dumped the swirl ridge.
Plus the tickford head has a larger exhaust valve, the 3.9 doesnt. 93DT head is just better. Its just generally a bad idea.
_________________ ED XR8 Sprint - S-Trim, V500, 249rwkw |
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| ebfairmont3.9 |
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You are much better off shaving your head to increase the compression and getting a cam as the 93dt is a good head. the 3.9 head is a peice of s**t.
_________________ 1994 ED Fairmont Champaign Gold - AU Series II Intech 4.0L - EL EFI - Thermo Fans - 4.11 LSD - Pacemaker 4480 Into Custom 3" Exhaust - Shift Kit |
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| SBR |
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ok sounds like i aint doing that haha , now ill just ask around bout prices on shaving some thou of my head. thanx guys
_________________ " If you aint first, Your last!" |
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| ebfairmont3.9 |
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if you take the head to a shop you shouldnt pay any more then $100 to get it shaved.
_________________ 1994 ED Fairmont Champaign Gold - AU Series II Intech 4.0L - EL EFI - Thermo Fans - 4.11 LSD - Pacemaker 4480 Into Custom 3" Exhaust - Shift Kit |
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