[tcb] Re: 88mm pistons
- From: "Will Wood" <evilscientistboo@xxxxxxxxxxxxx>
- To: <tcb@xxxxxxxxxxxxx>
- Date: Sun, 2 Apr 2006 20:36:30 -0500
The Slip ins, are 87s.. The 88s are as you point out much thicker. But if
you're going to machine the case, I'd go 90.5s in a heavy bus. I've done it
successfully in numerous engines. I've also run 94s in a bus as well. The
other fact about cams is that the 100 and the 110 grinds are great for
low-mid range power. I would point out that a since a stock bus has lower
gearing I go for a midrange, top end cam with a conservative valve size
to maintain port velocity. It may sound strange, but since you're in
the upper RPM range with a bus anyway it does work.
-----Original Message-----
From: tcb-bounce@xxxxxxxxxxxxx [mailto:tcb-bounce@xxxxxxxxxxxxx] On Behalf
Of Lonnie Bergman
Sent: Sunday, April 02, 2006 7:14 AM
To: tcb@xxxxxxxxxxxxx
Subject: [tcb] Re: 88mm pistons
I finally got my hands on three used 88 pistons for the motor I had in my
bus. So I am putting that one back together now. IMHO slip in 88 cylinder
walls are too thin. The machine in 88 walls are very thick. As for cams, My
favorite for a bus motor is a scat c25 or engle 100. After my last
experience with a 110, I will probably never put one in a street motor
again.
The guy I got the used 88s from also had a set of new forged 88s for a 78 mm
stroker crank. Pistons only for $50.
-----Original Message-----
From: tcb-bounce@xxxxxxxxxxxxx [mailto:tcb-bounce@xxxxxxxxxxxxx] On Behalf
Of singlecabboy
Sent: Saturday, April 01, 2006 11:42 PM
To: tcb
Subject: [tcb] 88mm pistons
I run 88mm Forged pistons with a 110 engle cam , the
88's are slip in, I haven't had any trouble ,butttt ,I
think I am extremly lucky , I also change my oil
almost after every trip , 200 miles or more, Bob says
that his theory is that the folks break the bottom of
the skirts as their installing them , butttt, I know I
wouldn't have used 88's if I had read all the horror
stories first. 1776 is what I 'll probably do next ,
with straight cut cam gear , . Good luck , 88's or
rearist of the rare at most shops
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