Philip's thread of 660XYB stuff

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Old and Slow
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Re: Prop Shaft UJs

Post by Old and Slow » Tue Nov 10, 2015 3:46 pm

Hi Philip,
As you rightly say, one "L" of a guy!
Mine are fairly clean and there are no visible blanking screws, so I think I need to change them to be on the safe side. Le Mans is a bit further than the Silverstone Classic so I'm prepping everything I can think of.
I don't suppose you measured the outer diameter of the needle roller casings on your old or your new ones?
I think I'll go ahead and get the ones off eBay anyway. Thanks for the link.
Cheers,
Philip


Philip Needham
Ashley-bodied TR3; '54 Ford Consul; '55 AC 2-Litre Saloon;'65 850 Mini; '70 Ford Zodiac MkIV; XR3i
'81 911SC Targa, '64 Sabre Six

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Re: Prop Shaft UJs

Post by toomanysabres » Thu Nov 12, 2015 9:22 am

Check for any sign of play on both axes of the joint and if none there is no need to change in my opinion. Not broke don't fix etc etc etc.... :D
The joints will be a BRD 33 series and according to my guru are readily available in plain and re-greasable type. Give them a spray grease to help keep out water and just keep taking the tablets :lol:
They can't fall apart and if wear starts you will get plenty of warning of some noise and vibration.
My Sabre Six had some slight play and nothing got worse going to France, Ireland, Wales and Congleton in the last two years and we have only just changed both ends.


Now: '62 Sabre 4, '63 Sabre Six, '65 SE4, '00 BMW E38 740i sport.
Prev: '53 ZephyrZodiac, '64 Sabra GT, '68 Elan S3SE, Mk3 Cortina 2000GXL, Mk4 Cortina 2000 Est, 3 SE6a's, 2 SE5a, SE4a Turbo, 1800Ti.
Company: Cav SRi, Cav SRi 130, Honda Concerto 1.6 (yuk)

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Diff pinion oil seal

Post by Old and Slow » Mon Nov 16, 2015 4:37 pm

Can anyone recommend a source for the pinion oil seal - I think the Sabre Six is fitted with a 7HA diff (ignoring the axle shaft fixings etc, how can I tell whether the diff is a 7HA and not 5HA?)
Philip


Philip Needham
Ashley-bodied TR3; '54 Ford Consul; '55 AC 2-Litre Saloon;'65 850 Mini; '70 Ford Zodiac MkIV; XR3i
'81 911SC Targa, '64 Sabre Six

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Re: Diff pinion oil seal

Post by philhoward » Mon Nov 16, 2015 5:52 pm

Picture of the backplate will probably confirm..

Either way, probably easiest to speak to Nigel at QRG?


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Re: Diff pinion oil seal

Post by gtcse8 » Mon Nov 16, 2015 6:47 pm

Hi Philip

I keep most oil seals in stock, do I take it you need a seal for a Straight 6 7HA ?.

It don`t say that in the subject heading?

Mark


Mark Wilson. Garage sale everything must go. :cry:1 SE6b, 1 GTC Shell &1 SE6a shell & a Triumph Daytona. Also on YouTube :wink: lookup V8 Chevy https://youtu.be/lbpvDGAMY6g https://youtu.be/7xTrbr0ETSA https://youtu.be/K7HfYVd5Flo

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Re: Diff pinion oil seal

Post by toomanysabres » Mon Nov 16, 2015 7:56 pm

Old and Slow wrote:Can anyone recommend a source for the pinion oil seal - I think the Sabre Six is fitted with a 7HA diff (ignoring the axle shaft fixings etc, how can I tell whether the diff is a 7HA and not 5HA?)
Philip
I think you mean 4HA not 5HA? 5HA never used on our Reliants to my knowledge and unless its been changed your Sabre Six will have a 7HA.

Anyway
Easy way to tell – there are 2 bolts either side of the centre line on each side (4) fixing the axle cover. On a 7HA these are about 18.5 cm apart and on a 4HA about 22 cm.
I am pretty sure QRG have the 7HA ones. (hopeso as my Sabre 4 is leaking)


Now: '62 Sabre 4, '63 Sabre Six, '65 SE4, '00 BMW E38 740i sport.
Prev: '53 ZephyrZodiac, '64 Sabra GT, '68 Elan S3SE, Mk3 Cortina 2000GXL, Mk4 Cortina 2000 Est, 3 SE6a's, 2 SE5a, SE4a Turbo, 1800Ti.
Company: Cav SRi, Cav SRi 130, Honda Concerto 1.6 (yuk)

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Re: Diff pinion oil seal

Post by Old and Slow » Tue Nov 17, 2015 4:55 pm

Thanks for all the feedback: excuse my fat fingers, the "4" on my keyboard is next to the "5" for some reason!
Next step - get underneath again, with the tape measure, thanks for the very useful info.
Lastly, yes it is a straight six, Mark, but I'll measure the diff first, just to be on the safe side, and then get back to you.
Philip


Philip Needham
Ashley-bodied TR3; '54 Ford Consul; '55 AC 2-Litre Saloon;'65 850 Mini; '70 Ford Zodiac MkIV; XR3i
'81 911SC Targa, '64 Sabre Six

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Re: Diff pinion oil seal

Post by Old and Slow » Wed Nov 18, 2015 3:27 pm

The distance between bolt heads is approx 19cm, certainly not as wide as 22cm, so it's safe to say it is a 7HA; I'll follow up with Mark to get a new seal. Thanks everyone for helping.
Philip


Philip Needham
Ashley-bodied TR3; '54 Ford Consul; '55 AC 2-Litre Saloon;'65 850 Mini; '70 Ford Zodiac MkIV; XR3i
'81 911SC Targa, '64 Sabre Six

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Jetting for Straight Six Triple Weber 40DCOE

Post by Old and Slow » Mon Dec 07, 2015 9:33 pm

For the record, the triple 40DCOE on 660XYB have the following jets:
Idle 45F9, Air Corrector 155, Emulsion Tube F11, Main Jet 120.
However I haven't cured the flat spot at 1500-2000rpm yet (cammy engine issue?)
Philip


Philip Needham
Ashley-bodied TR3; '54 Ford Consul; '55 AC 2-Litre Saloon;'65 850 Mini; '70 Ford Zodiac MkIV; XR3i
'81 911SC Targa, '64 Sabre Six

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Re: Carb Jet Sizes

Post by toomanysabres » Mon Dec 07, 2015 9:40 pm

What choke size is fitted. Mine was miles better after replacing 32mm with 30mm. It would 'sneeze' quite frequently when opening the throttle. ie a small backfire. Assumed problem was insufficient vapourisation due to a slower air speed through the choke.

Another consideration is the carb sub type. Mine are 151. I think this refers to the number of progression holes by the butterflies. I think there are five in mine and are more for road use.
A race car may only have one hole as its throttle is meant to be all or nothing.


Now: '62 Sabre 4, '63 Sabre Six, '65 SE4, '00 BMW E38 740i sport.
Prev: '53 ZephyrZodiac, '64 Sabra GT, '68 Elan S3SE, Mk3 Cortina 2000GXL, Mk4 Cortina 2000 Est, 3 SE6a's, 2 SE5a, SE4a Turbo, 1800Ti.
Company: Cav SRi, Cav SRi 130, Honda Concerto 1.6 (yuk)

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Re: Carb Jet Sizes

Post by Old and Slow » Mon Dec 07, 2015 9:53 pm

I don't know the choke size on the 40DCOEs, I'll have a look tomorrow. I get "sneezes" when the throttle is feathered (i.e cruising), but they perform to spec when accelerating, and a few pops from unburnt fuel in the exhaust on over-run.


Philip Needham
Ashley-bodied TR3; '54 Ford Consul; '55 AC 2-Litre Saloon;'65 850 Mini; '70 Ford Zodiac MkIV; XR3i
'81 911SC Targa, '64 Sabre Six

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Re: Carb Jet Sizes

Post by Old and Slow » Mon Dec 07, 2015 10:04 pm

I've just checked (paper record indoors) and the Webers are 18's (well, 2 of them are, the third is a 31) but the progression holes are identical in both types. The difference is in the stroke length of the accelerator pumps, and I haven't checked these yet (hopefully the 31 has been modded to match the 18s).
The butterflies are identical, a single hole in each. The progression holes (either 2 or 3, can't remember) are visible if you take out the blanking plug, and then it is practical to make sure they all get exposed simultaneously as the butterflies move/throttle opens.
Anyone out there with a 40DCOE18 in good nick to swap for a 40DCOE31?
Philip


Philip Needham
Ashley-bodied TR3; '54 Ford Consul; '55 AC 2-Litre Saloon;'65 850 Mini; '70 Ford Zodiac MkIV; XR3i
'81 911SC Targa, '64 Sabre Six

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Re: Carb Jet Sizes

Post by toomanysabres » Mon Dec 07, 2015 10:14 pm



Now: '62 Sabre 4, '63 Sabre Six, '65 SE4, '00 BMW E38 740i sport.
Prev: '53 ZephyrZodiac, '64 Sabra GT, '68 Elan S3SE, Mk3 Cortina 2000GXL, Mk4 Cortina 2000 Est, 3 SE6a's, 2 SE5a, SE4a Turbo, 1800Ti.
Company: Cav SRi, Cav SRi 130, Honda Concerto 1.6 (yuk)

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Re: Carb Jet Sizes

Post by Old and Slow » Tue Dec 08, 2015 12:02 pm

Thanks for the link - very interesting.
To see the stamp on the chokes I'd need to dismantle the carbs; the paperwork on the rolling road test from 1989 says the chokes are 32mm, so I'll go with that.
Having checked this morning, two carbs are -31 and one is -18, The copy of the Weber Service Manual I have only goes up to 40DCOE28, but the Cortina data from your link suggests the bodies and accelerator pumps are the same with only the slow running jet changed.
Perhaps I need 6 new 30mm chokes, then.
Philip


Philip Needham
Ashley-bodied TR3; '54 Ford Consul; '55 AC 2-Litre Saloon;'65 850 Mini; '70 Ford Zodiac MkIV; XR3i
'81 911SC Targa, '64 Sabre Six

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Re: Carb Jet Sizes

Post by Old and Slow » Tue Dec 08, 2015 1:27 pm

Here's some conflicting information on accelerator pump stroke length, can anyone produce Weber-sourced definitive data on this?
http://www.hottr6.com/triumph/tr6weber.html
It is in Section 4, mid-range hesitation etc.
Philip


Philip Needham
Ashley-bodied TR3; '54 Ford Consul; '55 AC 2-Litre Saloon;'65 850 Mini; '70 Ford Zodiac MkIV; XR3i
'81 911SC Targa, '64 Sabre Six

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