Mike,
I read up on the early 1098s, which the factory recommended folks not
use for competition purposes. According to David Vizard's book (Tuning
the A Series), the "small rod" 1098s are perfectly fine for additional
speed tuning, as long as you don't try to make more power at higher
revs.
Bottom line is: for normal, "spirited" driving, where you're not running
sustained high revs, or constant, full throttle settings, a "small rod"
1098 should be just fine.
Since my MK 1 1/2 Midget came to me with original everything, I will
probably stick with the original, "small rod" 1098, with minor upgrades
for improved low to mid-range grunt.
My MK 1 Midget, however, will end up with either a modified 2" journal
1098, or a modified 1275. Right now, I'm leaning toward the 1098.
Bud Osbourne
-----Original Message-----
From: spridgets-bounces+abcoz=hky.com@autox.team.net
[mailto:spridgets-bounces+abcoz=hky.com@autox.team.net] On Behalf Of
Mike Rivers
Sent: Saturday, September 13, 2008 11:38 PM
To: spridgets@autox.team.net
Subject: Re: [Spridgets] 948--1098---1275---Bigger?
I have a stock 1275. I understand that the early 1098's (10CG) throw
rods because they have smaller mains. The later 1098's (10CC) are
improved and are great. If you have the later 1098, I'd leave it. I
hear they rev very nice, even better than a 1275 in that aspect. Also,
keep the stock transmission setup, not worth the trouble and
non-reversible destructive mods to the car. The only real benefit is
gaining a little more driveablility at freeway speeds.
Mike Rivers
1961 MG Midget 1275
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