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02-05-2004, 08:05 PM
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#1 |
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Registered Member
Join Date: Oct 2003
Location: Mexico
Posts: 50
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how much compresion with stock rods and crankshaft
How much compresion can a 5.0 hold with stock rods and crankshaft? . Im using a 12.00 compresion but i want to put more
like 13.00 what u guys thing ? I need to now before start the ensambling work. |
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02-06-2004, 07:50 AM
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#2 |
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Moderator
Join Date: Aug 2000
Location: Milan, OH
Posts: 2,699
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I ran a little over 13:1 with a stock crank, Crower Sportsman rods and GT-40P heads in a motor that made about 465hp at the crank (on the engine dyno). Stock rods would do the same as long as they've got decent bolts in them.
__________________
Jeff Chambers 1990 Mustang GT 10.032 Seconds / 137.5 MPH 14-time Street Warrior World Record Setter CRT Performance 2001 Tropic Green Mustang GT - 12.181 / 113.2 MPH 2002 Ford F-250 Crew Cab 7.3l Power Stroke - 17.41@77.2 "There's nothing boring about a small block automatic shifting gears at 9400 rpm!" |
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02-07-2004, 11:40 AM
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#3 |
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Registered Member
Join Date: Oct 2003
Location: Mexico
Posts: 50
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Jeff, thanks for the advise. And also what kind of rod bolts you recomend me ill be thinking in the ARP the ones of 40 dlls. But if there are any ones better i apreciatte if you have the part number.
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02-08-2004, 08:03 AM
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#4 |
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Moderator
Join Date: Aug 2000
Location: Milan, OH
Posts: 2,699
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ARP is fine.
__________________
Jeff Chambers 1990 Mustang GT 10.032 Seconds / 137.5 MPH 14-time Street Warrior World Record Setter CRT Performance 2001 Tropic Green Mustang GT - 12.181 / 113.2 MPH 2002 Ford F-250 Crew Cab 7.3l Power Stroke - 17.41@77.2 "There's nothing boring about a small block automatic shifting gears at 9400 rpm!" |
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02-08-2004, 09:42 AM
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#5 |
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Sniffed too much n20
Join Date: Oct 1998
Location: Ont, Canada
Posts: 1,018
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Hey Jeff,
Do you have to re-size the stock rods if you're changing the rod bolts? I've been told many times that its a must when changing bolts, so I figured I'm gonna ask around to find out for sure.
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2002 Windsor Weekend Q16 Qualifier |
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02-08-2004, 06:27 PM
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#6 |
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Moderator
Join Date: Aug 2000
Location: Milan, OH
Posts: 2,699
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Yep, you should check the big end sizing. Different bolts will distort the big end differently so you need to torque 'em up and check/resize.
__________________
Jeff Chambers 1990 Mustang GT 10.032 Seconds / 137.5 MPH 14-time Street Warrior World Record Setter CRT Performance 2001 Tropic Green Mustang GT - 12.181 / 113.2 MPH 2002 Ford F-250 Crew Cab 7.3l Power Stroke - 17.41@77.2 "There's nothing boring about a small block automatic shifting gears at 9400 rpm!" |
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