510
North West Datsun Enthusiasts Forum : Datsun : 510
Topic: ?carb?
Author Message
jon morse
Groupie
Groupie


Joined: 01 December 2004
Location: United States
Posts: 50
bullet Topic: ?carb?
    Posted: 02 December 2004 at 1:00pm

getting ready to get her running again. Stock carb on it is shot. Trying to figure out the best set up.  If i get a single down draft carb (weber 32/36?) will it work on stock manifold? then in the future will i be able to use that same carb in a dual carb set up? Also, is the manifold the same on all L series motors? My old 510 had a SSS L18 with dual mikuni side drafts set up on it, will dual down draft carbs fit under the hood? thanks for your help

IP IP Logged
datsunaholic
Moderator Group
Moderator Group
Avatar

Joined: 05 December 2002
Posts: 4079
bullet Posted: 02 December 2004 at 1:31pm
Originally posted by jon morse

getting ready to get her running again. Stock carb on it is shot. Trying to figure out the best set up.  If i get a single down draft carb (weber 32/36?) will it work on stock manifold?



It needs an adaptor, which is available as part of the standard Datsun Weber 32/36 kit.


Originally posted by jon morse

then in the future will i be able to use that same carb in a dual carb set up?



I've never seen a dual 32/36 mani for a 4-cyl. Seen double and triple for 6-cyls though.


Originally posted by jon morse

Also, is the manifold the same on all L series motors?



No. There are at least 4 different stock 4-cyl downdraft type as well as SU sidedraft type and the EFI type. The downdraft ones were the '67-73 L16, the '74 L18 (added EGR), the '75-77 L20B (heat riser type, non-water heated) and the '77-80 L20B (water heated type, large EGR port)

Then there are aftermarket Edelbrock and Offenhauser manis. Both are NLA but they appear on eBay. The edelbrock I saw was for a 4bbl conversion, the offy was a dual-plane set up to use a weber directly. Probably more. There were aftermarket sidedraft manis (single, dual, maybe more).

Originally posted by jon morse

My old 510 had a SSS L18 with dual mikuni side drafts set up on it, will dual down draft carbs fit under the hood? thanks for your help



I don't think fitting it under the hood is the issue, fitting it by the brake booster is always an issue.
'64 320
'68 520
'72 521 V6
'74,75,79 620s
'76,78 4X4
'76 KC
'72 510 Wgn
'78 B210
'78,81 510 Wgn
2X '78 510 Coupes
'83 720 KC

IP IP Logged