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#1
01-30-2005, 08:04 PM
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offset piston pins
Hey Yall i just got a question bout offset pistons pins that hold the piston n rod together, is there any real advantage to that on a daily driver 302 ?
__________________
91' Caprice Classic 145k, 305 v8 700r4 custom dual exhaust ran through american thunders dumped 92 Mustang built 302, air gap intake, 650 edlebrock carb, 1.7 rr, full msd ignition, full race fuel system, built C6 with b&m shifter and 3000 stall bbk shorties-mac o/r h pipe through cherrybombs dumped striped interior --FOR SALE-- 
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#2
01-30-2005, 11:12 PM
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Re: offset piston pins
Quote:
Few questions right back at ya..... Are you gonna stroke it to 327 /331 / 347? Or is it gonna be the stock stoke?
__________________
My ride at my site Silverstangs.
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#3
01-31-2005, 07:31 PM
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its going to be a stock stroke, although there is a possibilty of stroking it to a 331 when its not my daily driver
__________________
91' Caprice Classic 145k, 305 v8 700r4 custom dual exhaust ran through american thunders dumped 92 Mustang built 302, air gap intake, 650 edlebrock carb, 1.7 rr, full msd ignition, full race fuel system, built C6 with b&m shifter and 3000 stall bbk shorties-mac o/r h pipe through cherrybombs dumped striped interior --FOR SALE--
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#4
01-31-2005, 08:01 PM
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Re: offset piston pins
Offset piston pins? You mean a shorter compression height piston/long rod motor? Long rods tend to build more dynamic compression. A long rod might get you a few hp, it might cost you a few hp. Entirely dependant on the specific parts in the motor.
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#5
01-31-2005, 09:04 PM
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Re: Re: offset piston pins
Quote:
No off set meaning that where the pin that goes thru the piston and rod is slightly off centered. You do that to help reduce bind, and piston slap.
__________________
My ride at my site Silverstangs.
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#7
01-31-2005, 11:32 PM
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Re: offset piston pins
It's not my specialty, but last I knew all piston pins were offset slightly. You may want to call a manufacturer to verify it if it's a concern with something you are building.
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Remember: Don't confuse noise with horsepower! and Junk is junk, even when it's on sale! "I would never doubt your expertise....it's obvious you wrote the book on stupidity!" DD
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#8
02-03-2005, 01:50 AM
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Re: offset piston pins
Probe has an offset wrist pin that is used in their 342/347 pistons. It keeps the wrist pin from intersecting the rings, and keeps oil consumption down to a minimum, if at all.
EDIT: by "if at all," I mean, that it does keep oil consumption down, to where it may not happen at all. 
__________________
1993 Mustang GT Blue/Titanium 2tone, 5spd, 3.55s, JBA ceramic shorties, catted H-pipe, dumped Magnaflows, MSD goodies, FMS alum rad, Pro50, balanced/blueprinted forged 327 stroker (8.2 compression), AFR 185s, Performer RPM, 70mm TB, FTI custom cam, SFC, In-floor Subframes, Maximum Motorsports Torque Arm and Panhard Bar, H&R Springs, Bilsteins, MM CC plates, 5 Lug Conversion w/ Silver Bullitts. Full accessories including smog legal. 310rwhp 351rwtq Dyno Dynamics Dyno. Soon to be supercharged
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