Re: Hose C14991/1 to C17421 .... C12630 etc - just more Crap Parts ?

[rfs1957]

Can someone throw some light on the heater hose diameters ?



All the copper bulkhead pipes on my car are sort of 1/2" - 13mm diameter.

However, the stub on the rear end of the inlet manifold water rail is C17421, which is the same as the stub adapter on the back of the water-pump, and the diameter of these parts is more like 5/8 -16mm.





The same quandry exists over hose C14999/1, which goes from the back of the water pump at 5/8" and drops to 1/2" for the water rail that runs under the carbs.

The hose shown above is C18987, which SNGB currently supply as a bit of 1/2" hose.

Where is the inconsistency, please ? Sure, with sweat and swearing you can sometimes get a 1/2" hose on a 5/8" stub, but this was never designed to be done.

Were C18987 and C14999/1 originally stepped hoses, or have I got a part that's wrong ?

[Gfhug]

Rory, FWIW my S2 has a new set of silicone hoses from Fosseway and that hose goes from smaller to larger diameter to accommodate what you’ve found. I was advised to get these by a respected person on here as they fit and work well

Geoff

[265bhp]

+1 for the Fosseway moulded hoses..probably not the cheapest but the tapered fit on that one is perfect
Mine needed a bit of trimming but they look superb


Jonathan

[AshM]

Another thumbs up for the Fosseway silicon hose kit. Love all of their stuff and the hose kit is no exception.

I agree that a bit of trimming is required on the smaller bore hoses. I like that so you can get the precise tension on each hose.

But another strong recommendation from me.

Cheers
Ash

[abowie]

The ones I get from SNGB in hose kits are fatter at one end than the other.

[Jerryslinn]

in trying to remove a rusty adaptor (C17421) it has sheared off leaving the threaded part in the inlet manifold.
It will not move with an extractor and I don't want to use too much force and crack the alloy. Anyone had this problem and found a solution

[abowie]

in trying to remove a rusty adaptor (C17421) it has sheared off leaving the threaded part in the inlet manifold.
It will not move with an extractor and I don't want to use too much force and crack the alloy. Anyone had this problem and found a solution

Unfortunately all too common.

I drill them out trying to damage the threads as little as possible. Once you've removed as much material as possible without getting into the allow you can use pliers etc to pull the last bits apart and out of the hole.

It is also possible to get them removed professionally with spark erosion.

You could try migging a steel rod into the ID of the stump you have and removing it that way, but I've never tried this.

[rfs1957]

The ones I get from SNGB in hose kits are fatter at one end than the other.

Not at the moment, they aren't.

I have asked them to compare the spec with the parts they have in stock.

[Jeremy]

+1 for the Fosseway hoses Rory. V good quality. I have found all his stuff to be good - tho' not cheap, which makes complete sense.

[Jerryslinn]

Many thanks Andrew - bit of drilling and a bit of filing and it came out in four pieces eventually. New adaptor in now - a great relief

[rfs1957]

Now regretting not going with Fosseway right from the start, as even things as simple as hoses have now been rendered complicated and unsatisfactory, by SNGB and Robey at least.

I couldn't see why anyone would bother to market their own hoses (Wilkinson does too) but I'm beginning to understand.



My C18987 and C14999/1 hoses from SNGB were recently supplied as a bits of parallel hose ; they don't fit the 5/8" water-pump stub C17421.

I queried this and never got a reply from them ; their in-tray must be so full of queries about parts that are incorrect, you end up feeling sorry for the staff.

So I ordered the same C14999/1 reference, but from Martin Robey this time.

Aside from the fact they sent my stuff to the wrong address, ignored emails, and incurred quite unnecessary expense (£27.60 to ship 500 grs to France ? Either they're getting stung, or I am), the hose is a joke.



It needs to be about 100 to 120mm long and taper from 5/8" to 1/2".

Theirs is 220 mm long, and tapers from 5/8" to 3/8", so you pay £6 for a hose and have to chuck away half of it whilst guessing where to make two cuts to get a best-fit on your pipes.



At the same time I ordered from Robey the C12630 hose between the lower water-pump and the elbow towards the bottom radiator, which has been out of stock for months with SNGB.

Both ends of this hose should be circa 42mm so as to be a tight push over both the water pump and the steel elbow ; in fact they are a swimmingly-sloppy 45mm and 44mm, and as there is no "spring" in the material you get a horrible Wellington-boot effect where the circlip is destined to go.





Now, I know that these can be made to work, but WTF could they not just make parts that fit ?!



Maybe they could just make stickers that say "This One Fits" ?

They wouldn't need to print so many.



Could somebody measure their heater-rail pipe (under the carbs) and tell me it's not my car - mine was remade in stainless but to copy from an original part ?

[Polse7317]

Here you are Rory

[rfs1957]

Thanks Yves, that's obviously up at the bulkhead end, right ?

That's bigger than the 1/2" I was expecting.

Could you measure it it down at the water-pump end too ?

Or is it the same diameter along the whole length ?

Perhaps not so easy to get at .......

I take it this is a remanufactured part ?

Anyone know for sure what the original sizes were ?

[rfs1957]

Sadly, you can only buy the 3.8 Fosseway set with both types of header-tank top hose.

http://www.fossewayperformance.co.uk/wp ... 285105.jpg

So you pay £222, and then chuck away the top hose you don't need, which you've probably paid £35 for.

Money and raw materials are free ?

People are mad.

Update - "cheaper and more expedient" I am told.

Read "lazy and wasteful".

[288gto]

Sadly, you can only buy the 3.8 Fosseway set with both types of header-tank top hose.

http://www.fossewayperformance.co.uk/wp ... 285105.jpg

So you pay £222, and then chuck away the top hose you don't need, which you've probably paid £35 for.

Money and raw materials are free ?

People are mad.

Update - "cheaper and more expedient" I am told.

Read "lazy and wasteful".

But at least they fit Rory . Having wasted heaven knows how many hours, days, weekends with stuff that sadly isn't fit for purpose I've reluctantly come to the conclusion it is sometimes worth the extra. I've just received 2 , I ordered 2 just incase, washer bottle caps from a well known supplier that don't fit. They can't even get a simple plastic cap right for heaven's sake.

Keep calm and carry on, all part of the rich tapestry that is restoring an E type, if not you'll just become a grumpy, curmudgeonly, cynical old misery like me!

Simon

[Polse7317]

Hi rory sorry i am not at home now i.ll confirm my measures on the 24 th any way i took as you say at the bulkhead end it.s the more easy way . But i.ll take the measure at the front end but its quite tricky but ithink its the same diameter all along if i remember .....