Engine Rebuild Novice

Discuss and exchange views and technical information about our cars.

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Post by scimjim » Sun May 05, 2019 3:21 pm

I have a feeling I have one on the shelf? Will check on Tuesday,


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Post by IanC » Sun May 05, 2019 4:28 pm

Well if you do, that would be just great, thanks. Just to be on the safe side, I've posted a couple of photos of the plate, as it has 'motorseite' stamped onto it which while helpful, seems odd for something I would have thought originated from Dagenham (or even Bordeaux).
From the paperwork that came with the car, the conversion is described as an A4LD box with a standard C3 T/C, and after a further check I see that that a C3 drive plate was used.
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IMG_20190505_160603.jpg
engine side
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IMG_20190505_160522.jpg
gearbox side
IMG_20190505_160522.jpg (158.67 KiB) Viewed 897 times
Last edited by IanC on Mon May 06, 2019 8:37 am, edited 2 times in total.


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Post by Coupe Racing » Sun May 05, 2019 5:46 pm

I believe motorseite means engine side .
Did you have it the right way round

Similar markings are often found on clutches too


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Post by IanC » Sun May 05, 2019 6:34 pm

Hi, yes, definitely fitted the right way round! I didn't spot the 'motorseite' stamped into it initially, but used the rectangular imprint (photo 2) of the T/C mounting bracket as a guide as to which was the right way round.


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Post by IanC » Tue May 07, 2019 4:27 pm

Not so much a problem, more of a general query.... the fancy set of SS bolts that came with the car includes exhaust manifold bolts (photo). This isn't something I've come across before, I've only ever seen a manifold held on by studs and nuts. I would have thought that come exhaust removal time, it would be easier to get a nut off a stud, than a bolt out of the head/exhaust port. Any thoughts?
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IMG_20190507_160214(1).jpg
Exhaust manifold bolts
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Post by scimjim » Tue May 07, 2019 4:49 pm

The exposed ends of studs can corrode, which can make getting the nuts off difficult (which can lead to nuts being rounded etc).


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SECURE DRY STORAGE FOR YOUR SCIMITAR

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Post by Old and Slow » Tue May 07, 2019 4:50 pm

IMHO if you get a seized bolt it will be a nightmare to remove, whereas a nut on a stud won't be as difficult.
SS bolts are a nice idea, but in my opinion I wouldn't do it.


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Post by Coupe Racing » Tue May 07, 2019 5:01 pm

I've used SS bolts on the exhaust with no issues .
However getting an alien key into the last 2 it tricky , and then there is the issue of being able to tighten them sufficiently


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Post by philhoward » Tue May 07, 2019 5:18 pm

A suitable sized hex bit for 1/4" drive, and a 1/4" ring spanner normally does for me as you shouldn't need to torque them to oblivion?

From memory, a 5/16" cap head screw generally take a 1/4" Allen key anyway?


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Post by Old and Slow » Tue May 07, 2019 5:18 pm

BTW, in my past experience (the olden days) they fitted brass nuts on the exhaust studs; does any manufacturer still do this?
Just wondering, is all.


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Post by philhoward » Tue May 07, 2019 5:27 pm

Either brass or heavy copper plated?


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Post by TrevorG » Tue May 07, 2019 5:57 pm

I can remember that Robin Rew told me that he always used Allen bolts on his balanced headers as it was almost impossible to get the headers onto the ends of studs and bolts allowed you to slide the headers up into place. I've never had any problems taking them off countless cars and bikes and to answer the broken bolt scenario, when a stud breaks it always seems to go flush with the head anyway!



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Post by IanC » Tue May 07, 2019 8:02 pm

Thanks guys for your comments.


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Post by Old and Slow » Wed May 08, 2019 8:28 pm

Ian,
In spite of my comments above, I've just remembered that the Mays head on the straight six uses allen socket headed bolts! :oops:
I had to get a set of ball-ended allen keys to extract them, and being an alloy head they came out easily,


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Post by Rev Light » Thu May 09, 2019 7:37 am

I recently fitted a set of tubular headers and had to remove the new studs (with brass nuts) and fit bolts and I could not get the headers over the studs in the engine bay. SE5A. I believe they are allen key types.


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