piston slap is caused by having excess clearance in the bores, either by having worn bores, or collapsed piston skirts, or having forged pistons which require a lot more piston to bore clearance, due to the expansion rates. (Or you own a Subaru)
The skirt of the piston hits the side of the bore on the power stroke, as the piston is on the way down after ignition.
Piston Slap?
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by CAMB01 » Wed Jan 09, 2008 7:02 pm
1993 Mitsubishi EVO 1 Racecar
1998 Mitsubishi Mirage ZR Asti Mivec (Daily Whip)
1989 AE91 FX-ZS (Previous)
1994 AE101 Levin 20v (previous)
1992 EE90 Corolla Sedan (previous)
1986 AE82 FX-GT Corolla (previous)
1989 AE92 FX-GTZ Supercharged (previous)
1992 EE90 Corolla Hatchback (previous)
Custom Works Automotive
http://www.HCCC.org.nz
1998 Mitsubishi Mirage ZR Asti Mivec (Daily Whip)
1989 AE91 FX-ZS (Previous)
1994 AE101 Levin 20v (previous)
1992 EE90 Corolla Sedan (previous)
1986 AE82 FX-GT Corolla (previous)
1989 AE92 FX-GTZ Supercharged (previous)
1992 EE90 Corolla Hatchback (previous)
Custom Works Automotive
http://www.HCCC.org.nz
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CAMB01 - Toyspeed Member
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by matt dunn » Thu Jan 10, 2008 3:25 am
ChaosAD wrote:Just to swerve off topic a bit. Ive heard a lot of rattley subaru's, always thought it was the bigends or something else bot to fuk ot. Why the fuk are they so rattley??
From what I hear about the Sub's, it the lifters in the head,
which when they get bad enough means new heads are required.
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