Leonard,
If you go to the Turkey Rod Run in Daytona beach, there are usually a half
dozen or more companies there that do custom narrowed Ford 8" or 9" rear
ends. If you plan on building an insane monster horsepower car, a 9" Ford
is hard to beat. For many years, it was the "standard" rear end for a lot
of drag racers. If anyone can destroy a rear end, those boys and girls can
do it. The 9" held up to the abuse admirably - even with monster sticky
gumballs on the back.
Sid
(pushing for Roadster presence at the Rod Run already!)
>From: "Brian Hollands" <Brian_Hollands@adp.com>
>Reply-To: "Brian Hollands" <Brian_Hollands@adp.com>
>To: "Leonard Sprague" <sprague@ufl.edu>
>CC: "Datsun Roadster Mailing list" <datsun-roadsters@autox.team.net>
>Subject: RE: rear differential help needed
>Date: Wed, 21 Aug 2002 20:46:04 -0400
>
>Roadster diffs are called H-190's. They were used in the 510 wagon
>(WPL510)
>and pickups from the 520/521 through to the 720's and D21's. There are a
>couple of different variants. Some of the pickups used a cast iron third
>member - instead of aluminum - which has larger pinion shaft bearings. I
>don't know if it is "Stronger" than the stock H-190 type I diff. The late
>pickups used another variant that has a stronger cast third member and 12mm
>ring gear bolts. That unit should be stronger than the stock part. I
>believe that they all interchange as assemblies but I'm not positive. Some
>one on the list may know more. The internals do not all interchange. You
>could pick up a used one from a junk yard in almost any Datsun pickup
>through about 1986. You'd just need to be careful about the ratio and make
>sure it's not a type C (I think that's what they called it) which replaced
>the H-190 and as I remember had a removable rear cover like a GM diff.
>If you are making more than 200HP/Torque you may want to look into having a
>ford 8 or 9 inch narrowed. As Mike said, there easy to come by and lots of
>folks narrow them so it's not a real esoteric sort of thing. Pick up a Hot
>Rod magazine and you'll see ads for companies that do that sort of work.
>You should be able to find a shop locally that does it. Look in the yellow
>pages under drive shafts or axles.
>
>Brian '69 2000
>Tampa, FL
>http://web.tampabay.rr.com/oilleak/
>
>
>-----Original Message-----
>From: owner-datsun-roadsters@autox.team.net
>[mailto:owner-datsun-roadsters@autox.team.net]On Behalf Of Leonard Sprague
>Sent: Wednesday, August 21, 2002 6:37 PM
>To: datsun-roadsters@autox.team.net
>Subject: rear differential help needed
>
>Hello List,
>
>Please help. I've been reading about this all day (and not getting any work
>done either) and I'm even more confused than when I started.
>
>My roadster has been "upgraded" and now has a VG30 engine and transmission
>(from an '86 300zx). I'm thinking about the rear differential and wanted to
>know if anyone had any recommendations for alternatives to the 1600's stock
>differential.
>
>BTW, what IS the stock differential in a '69 1600 anyway?
>
>
>I'm trying to find out the following:
>
> - which differentials I can use?
> - what size would be optimal?
> - where to get one?
>
>Someone had mentioned Subaru diffs??
>
>How about an R-200? Will that fit?
>
>
>Oh, in case it matters, I have:
> 195/50ZR15 Bridgestone Potenza RE730 Gen. 2
>
>
>Any help would be greatly appreciated. Thank you everybody!
> (Thanks for the awesome pages Gordon... and others!)
>
>
>-Lenny
>'69 1600/VG30
>http://rabbit.circa.ufl.edu/gallery/roadster
>
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Sidney Raper
1964 1500
1967 SRL311 00060
1967 SRL311 00076
Jacksonville Florida
http://www.geocities.com/roadsternut/index.html
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