Most of the old time racers did use the 3 main blocks. But here in Ohio,
there just aren't many flat dash roadsters willing to sacrifice their
engines.
Paul
-----Original Message-----
From: Jerry Krakauer [mailto:jsk977@optonline.net]
Sent: Sunday, August 03, 2008 10:16 AM
To: Paul; roadsterdude1600@yahoo.com; datsun-roadsters@autox.team.net;
'Charles Kyle'
Subject: Re: [Roadsters] What year is my car?
If I recall correctly, BSR always used the 3 main block because it produced
less friction a therefore a bit more power. Since the crank was short enough
and stiff enough, there was really no extra whip with only 3 bearings.
Jerry Krakauer
SRL311 00099
----- Original Message -----
From: "Paul" <9laser3@bright.net>
To: <roadsterdude1600@yahoo.com>; <datsun-roadsters@autox.team.net>;
"'Charles Kyle'" <chuckkyle@mac.com>
Sent: Sunday, August 03, 2008 8:23 AM
Subject: Re: [Roadsters] What year is my car?
> -----Original Message-----
> The 5 does apparently have an oil delivery issue to one of the bearings
> though, so I'd say you have the best of both worlds. Enjoy the ride!
>
> Mike SC
> ----------------------
>
> The 5 main does have poor oil flow to #3 rod bearing. We've toasted a
> few
> in the race roadsters. But then we started cross drilling the crank shaft
> to improve the oil flow to ALL the rod bearings. Not a problem anymore.
>
> Paul
> Sloan Racing
> Ohio
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