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Subject:Re: engine swap (ignorant questions) -> EV piston slap
From:"L-Soft list server at Vanagon List (1.8c)"
Date:Thu, 11 Dec 1997 09:58:38 -0800

> barwise@TUXEDO.ENET.DEC.COM wrote:
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>>
>> Well, you don't have to believe EV "piston slap", but is is a true,
>> unfortunate occurance with some EV 5 cyl. motors, including mine.
>> Afterall, they're not the *exact* same engine as used in the cars anyway,
>> though they are very similar.  There are many variations of I-5 engines
>> in use.  I only know of piston slap in the EV variation.
>>
>> I examined my 5 cyl. EV engine with its head off.   I could actually wiggle
>> 2 of the pistons in the block so you could hear them hit the side of the cyl.
>> wall, and the bores had been worn out-of-round.
>>

> Chris Wrote this:
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>> yes, they are all Audi 5 bangers.
>> i think the "piston slap" thing is all HYPE  yes.. HYPE

> I don't believe "Piston Slap" is HYPE, as it was claimed.  I have a
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> question about the angle of the inline 5 as it is used in the Audi; do
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> the pistons travel vertically, or is there some angle set from
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> vertical?  I know from my EV that the engine is on an angle and if the
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> engine was designed to run upright, there is a very good chance of
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> piston slap.
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> How?  For cylinders that run at an angle to vertical (at least on
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> Mitsubishi V6 engines), there is a piston pin offset that allows the
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