How about a single chain from the crankshaft to the camshaft and find
another way to turn the oil pump and distributor? I believe the one
supercharged car (who owns that car?) has crank triggered ignition and a
dry sump oil pump. How hard would it be to implement both of those with a
single chain? And would gears from an L-series be usable or adaptable,
since they must already have the proper crankshaft gear to camshaft gear ratio?
At 10:35 AM 5/9/2002 -0500, Hall, Phillip wrote:
>I wish I had a U20 in front of me, but how about using the lower chain to
>jackshaft and cover from a 1600, then use a belt up to the head with the
>crank pulley on the dry side. The head would have to have a plate/seal
>around the cam to block oil. Head to belt clearance still may be an issue.
>Just an idea - Ok, back to my real job.
>
>Phil
>SEROC
>
>-----Original Message-----
>From: Brian Hollands [mailto:Brian_Hollands@adp.com]
>Sent: Thursday, May 09, 2002 9:47 AM
>To: Datsun Roadster Mailing list
>Subject: RE: A crusty marine engineers armchair solution to U20 timeing
>chains
>
>
>If you do that, add pistons and a set a valves to your next order from the
>vendors. Belts soaked in oil don't work for long.
>Brian '69 2000
>Tampa, FL
>http://web.tampabay.rr.com/oilleak/
>
>
>
>-----Original Message-----
>Therefore, all someone has to do is find the right toothed pullys
>from the right donor car that will fit inside the U20 front cover
>and then arrange a spring loaded tensioner mounted to maintain
>tension on the back (smooth) side of the toothed belt.
>
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Adam Bradley
'70 Datsun 1600 Roadster SPL311-28181
'66 Datsun PL411 sedan PL411-022447
http://www.picturetrail.com/abend
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