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11
Engine Related Items / Re: Carburetor confusion
« Last post by march2020 on April 02, 2020, 10:26:37 AM »
Get a Haynes manual, and the Moss Motors catalog. The American MGB Association has 4 Technical Sections with real life situations. Experience with MGs is golden.
The old SU carburetors are great. They're simple and bullet proof. But you'd need a new manifold, too.
The ZS carburettor is not optimal, but in good condition, it should be fine. Make sure the internal diaphragm is not leaking.
www.mossmotors.com

Philiipe Tusler
12
Engine Related Items / Re: Carburetor confusion
« Last post by march2020 on April 02, 2020, 10:24:38 AM »
I have a 76 B had a single carb - did a full engine rebuild and tried to rebuild the carb - it was some of the most frustrating work - I finally settled for a Weber aftermarket with auto choke - it has run problem free for 5 years - best money spent - starts every time. My research led me to the carb and wiring are the two headaches with these cars - best of luck!
David Rothermel
13
Engine Related Items / Re: Carburetor confusion
« Last post by march2020 on April 02, 2020, 10:23:15 AM »
Get a catalog from Moss Motors. Not only is it a great source for parts, it will give you lots of exploded views of your car and you can garner what years were equipped with what. Good luck!
Kevin Eminger
14
Engine Related Items / Re: Carburetor confusion
« Last post by march2020 on April 02, 2020, 10:22:02 AM »
The later models came with a single ZS carb...that tends to leak...on the hot catalytic converter...burning the car to the ground. Good luck!

Stuart Ferrieir
15
Engine Related Items / Carburetor confusion
« Last post by Dkalel on April 01, 2020, 08:08:15 PM »
I recently bought a 1977 MGB on ebay and I had a question about the carburetor. I noticed while looking through the repair manuals that the MGB cars have two carburetors but my car has only one. Also the previous owner must have installed an aftermarket air filter. The carb on my car is a Zenith 175 CD-2 and like I said only one. The car needs a lot of work done to it and I am capable of some. I replace the spark plugs, the valve gasket and cover, spark plug wires and ignition coil. I took the carb apart and cleaned it out and put some new parts in it. My question is, is this unusual or is it okay? I had the car shipped to my home and when it got here I could barely get the thing started to get it off the trailer. I thought I just bought a piece of crap that didn't run. The ad claimed it was a daily driver but after looking at the engine I could tell that oil was leaking from the valve cover and their was oil on the spark plugs. I didn't pay a lot for it, only $3500. The car had the interior redone and the paint is in good condition. Oh and I also replaced the battery. It has sat for about a month trying to get all the parts either bought at an auto store or an online store. I tried to start it and it isn't wanting to start. It is getting gas and I made sure the spark plug wires are in the right place. I will leave it at this for now. Any suggestions would be great. The odometer shows 60990 miles.
16
Cars for sale / 1971 MGB
« Last post by amgba on February 20, 2020, 01:04:49 PM »
1971 MGB. Complete mechanical restoration of very solid Texas car. Built for optimal performance & reliability. Performance engine rebuild w/1 " carbs. Stainless steel headers, exhaust. Suspension rebuilt, lowered 1" with stiffer springs, nylon bushings, camber adjusting A-Arms. New leather interior, weather gear, brakes, many electrical components. Lots of spares. $16,500. Have receipts for $24K. (910) 687-0211, jwheeler1947@yahoo.com .
17
Suspension Related Items / Re: Brake Fluid
« Last post by JohnTwist on February 14, 2020, 03:20:17 PM »
hose warnings about brake fluid were valid before about 1970.  My suggestion is to use DOT 4.  DOT 3 is OK, too, but DOT 4 removes paint a little slower.  Hope this helps.
John H. Twist
SAFETY FAST!
616-307-6737
johntwist@universitymotorsltd.com
www.universitymotorsltd.com
18
Suspension Related Items / Brake Fluid
« Last post by march2020 on February 14, 2020, 03:08:30 PM »
I purchased a NOS factory master cylinder for the '77-'80 MGB, made by Girling or Lucas i can't remember. It's not an aftermarket one. It is a new one the factory would have used back in the day.  It's also not recently made.I would guess it was made in the late 70's.  I bought it because I want original quality.  The question for you is which brake fluid should I use?   
I ask because I read of 'natural rubber' in older systems or even SBR type rubber from the 70's being not compatible with borate esters in DOT4.  I don't want to ruin a nice NOS master cylinder.  What do you think? 
Rick Lazio
19
Engine Related Items / Re: SU Linkage Parts
« Last post by JohnTwist on February 14, 2020, 03:21:29 PM »
That body shell is looking VERY nice!

The only two people in the USA that come to mind are:

Joe Curto who is the SU king in the country:  joecurto@aol.com and

Paul Dierschow of Sportscar Craftsmen in Denver, Colorado:  mowogman@comcast.net  CPaul has SO MANY used parts.

Maybe one of these guys has a clue or can point you to someone who can assist.
John H. Twist
SAFETY FAST!
616-307-6737
johntwist@universitymotorsltd.com
www.universitymotorsltd.com

20
Engine Related Items / SU Linkage Parts
« Last post by march2020 on February 14, 2020, 03:13:48 PM »
I am doing a bare metal up restoration of a 1980 MGB Roadster, converting it to chrome and installing an SD1 3500 V8, five speed box and a V8 back axle.  I have a modified SD1 plenum and a matching fabricated inlet adaptor to mount the two SD1 HIF6 carbs, See the photos.

What I am missing at this time is the original factory V8 linkages between the carburetors as these are no longer available.  I see on eBay some linkage bits which I may be able to adapt to suit the twin HIF6 set-up.

Do you know of any source in the USA of SU linkage pieces which I could buy to recreate the original factory V8 set up on the MGB GT V8 with the cast aluminium adaptor, part BHH988?
Jim Barin
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