rod length?
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New User
Joined: Aug 2007
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From: metro Phoenix, AZ
rod length?
Does anyone have hands-on experience stroking a 360 to a 390 using the longer 360 rods instead of the shorter 390 rods? Is there machine work involved in doing this? If so, can you describe?
The search for info continues....:-)
The search for info continues....:-)
FTE Leadership Emeritus
Joined: Jul 2002
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From: Long Island USA
Stroking a 360 to a 390 involves a 390 crankshaft, 390 rods, and 390 pistons.
Are you confusing "360 rods" with "360 pistons"?
Because using 360 pistons on a 390 crank and rods will get you higher compression, right Bear?
Are you confusing "360 rods" with "360 pistons"?
Because using 360 pistons on a 390 crank and rods will get you higher compression, right Bear?
Post Fiend
Joined: Mar 2004
Posts: 6,056
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From: Union, Washington
Originally Posted by krewat
Stroking a 360 to a 390 involves a 390 crankshaft, 390 rods, and 390 pistons.
Are you confusing "360 rods" with "360 pistons"?
Because using 360 pistons on a 390 crank and rods will get you higher compression, right Bear?
Are you confusing "360 rods" with "360 pistons"?
Because using 360 pistons on a 390 crank and rods will get you higher compression, right Bear?
!["Beemer Nut"'s Avatar](data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 50 50'><circle class='avatar-circle-default' fill='%23bc5285' cx='25px' cy='25px' r='20px'></circle><text class='avatar-text-default' x='49%' y='53%' fill='white' text-anchor='middle' alignment-baseline='middle'>"</text></svg>)
Post Fiend
Joined: Dec 2003
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From: "Islander"
But ya proved it can be done.
Why go thru the trouble of only adding .278"
more stroke if your looking for more torque,
go for adding .480" with a 428 arm.
Take a look at Scat's 3.98", 4.125" or the 4.250" arms.
Why go thru the trouble of only adding .278"
more stroke if your looking for more torque,
go for adding .480" with a 428 arm.
Take a look at Scat's 3.98", 4.125" or the 4.250" arms.
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From: Green Bay Wi
Just have to match the heavy wrist pins(360) with the light rods(360). Otherwise bal issues come into play. Heavy rod goes with light wrist pins.
Well the reason for the use of the 360 rod is two fold. one they are laying around for nill price wise. Two they offer a higher quench by .060 witch is effective for a wedge engine. Not to mention if you use the light weight pins you could reduce rotating mass, but at a price. Your not going to spin a 360 rod over 6k for too long
Well the reason for the use of the 360 rod is two fold. one they are laying around for nill price wise. Two they offer a higher quench by .060 witch is effective for a wedge engine. Not to mention if you use the light weight pins you could reduce rotating mass, but at a price. Your not going to spin a 360 rod over 6k for too long
Last edited by hotrodfeguy; Aug 20, 2007 at 04:54 PM.