[ROVERNET - UK] SU needle valve interchange MGC and P6 2000TC

[Slatskars]

HS-5???? A rare one!

Slats
----- Original Message ----- 
From: "Vern Klukas" <vern at inkspotco.com>
To: <rovernet at lyris.ccdata.com>
Sent: Tuesday, August 14, 2007 11:43 AM
Subject: Re: [ROVERNET - UK] SU needle valve interchange MGC and P6 2000TC


> HD carbs have free floats, but the needle valve is operated by a hinged 
> lever.
>
> HS carbs have hinged floats.
>
> Needle valves are the same for pretty much all HD and HS carbs, the one 
> proviso being that you check the bore of the seat. A valve from a HS5 carb 
> will have a smaller bore than a HS8 carbs, which leads to running the 
> bowls dry a highway speeds or sustained work.
>
> Yours
> Vern
>
>
>
>
>
>>69 TCs had HS8
>>Early TCs had HD8, like my 68.  The floats are hinged though.
>>
>>PVS
>>
>>----- Original Message ----- From: "Slatskars" <slatskars at comcast.net>
>>To: <rovernet at lyris.ccdata.com>
>>Sent: Tuesday, August 14, 2007 4:49 PM
>>Subject: Re: [ROVERNET - UK] SU needle valve interchange MGC and P6 2000TC
>>
>>>Nathan,
>>>
>>>I am thinking that you have "H" or "HD" type SU's rather than "HS" type. 
>>>The "H's" and "HD's" are the only ones with a free floating float. The 
>>>float needles should be the same no matter what the size. You really do 
>>>need to determine what type of carburetors that you do have. I have 
>>>vehicles with all four types of SU's and know them reasonably well.
>>>
>>>A single HD-8 is used on 3 liter P-5's. Some models of Jaguar use dual 
>>>HD-8's. A good source of information would be Moss motors as they stock 
>>>parts for Jaguars also. I personally have had good luck with gross jets. 
>>>I had a brand new set of H-4's that one of them would flood. I cleaned 
>>>and checked the float needle everyway possible, but could not get it to 
>>>function properly. Changed them over to Gross Jets and the problem went 
>>>away. The car never ran smoother.
>>>
>>>Slats
>>>----- Original Message ----- From: "Nathan Obuch" <nathanobuch at yahoo.com>
>>>To: <rovernet at lyris.ccdata.com>
>>>Sent: Monday, August 13, 2007 6:40 PM
>>>Subject: [ROVERNET - UK] SU needle valve interchange MGC and P6 2000TC
>>>
>>>>Greetings, Rovernetters,
>>>>
>>>>I have a '69 TC with HS8 carbs (AUD254.) I am having
>>>>trouble with my float bowls overflowing...the floats
>>>>haven't sunk, so I'm pretty sure I need new needle
>>>>valves. I noticed that the MGC also uses HS8's, so I
>>>>was just thinking of ordering needle valves from
>>>>Victoria British. I also noticed that in the
>>>>illustration for the MGC, the floats are hinged to the
>>>>float bowl lids, where as on my Rover, the floats are
>>>>free floating- so I'm concerned that the needle valves
>>>>might be different.
>>>>
>>>>Does anyone have a definitive answer?
>>>>
>>>>Nathan
>>>>
>>>>
>>>>
>>>>____________________________________________________________________________________
>>>>Need a vacation? Get great deals
>>>>to amazing places on Yahoo! Travel.
>>>>http://travel.yahoo.com/
>>>>
>>>>_______________________________________________
>>>>rovernet mailing list
>>>>rovernet at lyris.ccdata.com
>>>>To unsubscribe, go to this web page, look near the bottom and follow 
>>>>instructions:
>>>>http://mailman.nipltd.com/mailman/listinfo/rovernet
>>>>Back-up list and photos at:
>>>>http://autos.groups.yahoo.com/group/Rover_net/
>>>
>>>
>>>_______________________________________________
>>>rovernet mailing list
>>>rovernet at lyris.ccdata.com
>>>To unsubscribe, go to this web page, look near the bottom and follow 
>>>instructions:
>>>http://mailman.nipltd.com/mailman/listinfo/rovernet
>>>Back-up list and photos at:
>>>http://autos.groups.yahoo.com/group/Rover_net/
>>>
>>>
>>>--
>>>No virus found in this incoming message.
>>>Checked by AVG Free Edition. Version: 7.5.476 / Virus Database: 
>>>269.11.17/951 - Release Date: 13/08/2007 10:15 AM
>>>
>>
>>_______________________________________________
>>rovernet mailing list
>>rovernet at lyris.ccdata.com
>>To unsubscribe, go to this web page, look near the bottom and follow 
>>instructions:
>>http://mailman.nipltd.com/mailman/listinfo/rovernet
>>Back-up list and photos at:
>>http://autos.groups.yahoo.com/group/Rover_net/
>
>
> -- 
> Vern Klukas                             I'm a little . . .
> Inkspot Type & Design
> vern at inkspotco.com
>
> _______________________________________________
> rovernet mailing list
> rovernet at lyris.ccdata.com
> To unsubscribe, go to this web page, look near the bottom and follow 
> instructions:
> http://mailman.nipltd.com/mailman/listinfo/rovernet
> Back-up list and photos at:
> http://autos.groups.yahoo.com/group/Rover_net/