PFW 337V

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gtcse8
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Post by gtcse8 » Tue Mar 13, 2018 10:14 pm

That timing gear is a Phenolic Resin type which is slightly more safer than the Nylon type.

The Nylon ones are an Ivory colour.

There were actually THREE original Ford types.

Early ones were TUFNEL with a steel centre, identified by wood like pattern showing on the teeth and large brown outer disc.
Then there were Yellow Nylon outer ring and the Brown Phenolic Resin outer ring types, both using a larger centre casting with the teeth area bonded to it.

The TUFNEL type used to wear the teeth away and then they broke off at the root.
Both the Nylon and Phenolic type just cracked and then shattered the outer Tooth ring away from the cast centre disc.


See the Beast on youtube under" RELIANT SCIMITAR CONVERSION LOL.,Se5,Se5a, Se6a, Two Se6b`s, GTC, SST 1800Ti & not a lot of sense

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Post by Captain Beke » Tue Mar 13, 2018 10:30 pm

Thanks gtcse8

Not heard of Phenolic Resin type before, don t suppose there are any tell tell sighs as to when they will let go,


1979 Red GTE 6A, Manual, overdrive, manual steering, power windows

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Post by gtcse8 » Tue Mar 13, 2018 11:02 pm

The only type you can tell is going to Let Go is the very early Tufnel type, the teeth wear away and obviously get thinner before snapping off.

The later types can Let Go at any point.

The Three that I have had Let Go on me all went at very low revs or actually on starting.

But I have rebuilt probably Ten other engines that have failed and the owners have told me that they went bang at differing times.

I would have thought that thoroughly cleaning and checking with a magnifying glass would show any stress cracks appearing, but this would involve stripping and removing the wheel which would be a BIG pita.
If rebuilding or doing any work on an engine would be an ideal time to check out the condition of the teeth.


See the Beast on youtube under" RELIANT SCIMITAR CONVERSION LOL.,Se5,Se5a, Se6a, Two Se6b`s, GTC, SST 1800Ti & not a lot of sense

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Post by Roger Pennington » Tue Mar 13, 2018 11:53 pm

Personally, as Mark says, given the amount of dismantling you need to do to inspect the teeth is so great (effectively half the job), I'd just go ahead and replace the gear (with either a steel or preferably alloy one), and be done with it. Then you *know* it's sound :)


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Post by gtcse8 » Wed Mar 14, 2018 12:00 am

Phil Andrews is coordinating the import of new wheels for the Essex.

There are a few companies out there also supplying them, you pays your money and its up to you who you go with.


See the Beast on youtube under" RELIANT SCIMITAR CONVERSION LOL.,Se5,Se5a, Se6a, Two Se6b`s, GTC, SST 1800Ti & not a lot of sense

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Post by Captain Beke » Wed Mar 14, 2018 12:30 am

You are both very knowledgeable thanks guys

Will be looking into replacing / rebuilding sooner rather than later once I have costed it.
I may find someone to do this work for me as I don't have

1: A garage
2: All the tools for this sort of work
3: knowledge

or though both can be bought or learnt from this forum


1979 Red GTE 6A, Manual, overdrive, manual steering, power windows

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Post by gtcse8 » Wed Mar 14, 2018 12:36 am

Most of the work can be done by yourself if your prepared to be methodic and research what needs doing and how,


See the Beast on youtube under" RELIANT SCIMITAR CONVERSION LOL.,Se5,Se5a, Se6a, Two Se6b`s, GTC, SST 1800Ti & not a lot of sense

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Post by Captain Beke » Sat Apr 07, 2018 12:57 am

Ok still not got this sorted,

Have take plugs out and would like an opinion on condition.
Plugs are in order cylinders 1 to 6
1 seams to be white and its opposite 4 very dark
Did a compression tests and all about 125 to 130 DRY
Tried to do a wet compression but couldn't get oil in the plug hole without poring half of it all over the engine
Also a weep from the corner of the head thought it was oil from the rocker cover but its water may be the core plug behind the alternator bracket will look tomorrow
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1979 Red GTE 6A, Manual, overdrive, manual steering, power windows

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Post by Captain Beke » Fri Apr 20, 2018 6:51 pm

Ok the time has come to take the heads off and see what is happening to my coolant
First photo is compression tester just take out of No 1 piston , few droplets of water on end
Second photo water vapour out of right hand bank on start up
Third photo head gasket next to piston No 1
Result Burton Gasket set arrived last Friday and started today to strip down got the head back on and will take off the second head tomorrow
then its just a question of putting it back together
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1979 Red GTE 6A, Manual, overdrive, manual steering, power windows

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Post by Old and Slow » Fri Apr 20, 2018 8:41 pm

Looks like you've found the problem! Well done.
This might help with the spark plugs - the colour of the porcelain "nose" that holds the central electrode seems to be the important bit.
If the engine wasn't run up to temperature the plugs might look "sooty" being on the choke and running rich.
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diagnosis by colour
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Post by Captain Beke » Mon Apr 23, 2018 7:54 pm

All most back together.
Had a bit of a clean while it was apart , now its all blinged up it makes the rest of the car look dull

Still got to set the tappets which is new to me, so any advice would be good and there are so many of them
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1979 Red GTE 6A, Manual, overdrive, manual steering, power windows

gtcse8
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Post by gtcse8 » Mon Apr 23, 2018 8:50 pm

Hi

Noticed you have the rocker covers on the opposite side to normal and you have a piece of tube for the AGR valve, please note it works on a vacuum principal and if the pipe closes up it will alter the breathing and running of the car.


See the Beast on youtube under" RELIANT SCIMITAR CONVERSION LOL.,Se5,Se5a, Se6a, Two Se6b`s, GTC, SST 1800Ti & not a lot of sense

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Post by Captain Beke » Mon Apr 23, 2018 9:52 pm

Thanks gtcse8 for your advice , thats how it came ,
The rocker covers are the same way round as Roger Penningtons ( I have seen his photo )
The piece of tube will be replace soon when I find one ,didn't realised it was under a vacuum, and yes it does seem to be closing up.

Have been reading up on tappets / rocker clearance , but how do you set them to start , doo just realised the engine will not be running till they are all done , and will be turning the engine over buy hand first


1979 Red GTE 6A, Manual, overdrive, manual steering, power windows

gtcse8
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Post by gtcse8 » Mon Apr 23, 2018 10:13 pm

Tappet/rocker valve clearance is well covered in the service manual.
The engine does not need to be running.


See the Beast on youtube under" RELIANT SCIMITAR CONVERSION LOL.,Se5,Se5a, Se6a, Two Se6b`s, GTC, SST 1800Ti & not a lot of sense

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Post by rebel alliance » Mon Apr 23, 2018 10:29 pm

I thought the cover with the oil filler always went on that side ?



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