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Rover 3.5 oil filler neck...

Posted: Fri Jul 15, 2011 4:35 am
by Jono FD3
Sorry for all the questions guys!! LOL

Does anyone know if the short extention tube for the oil fill unscrews fro the rocker box or is it part of the casting?? Reason being I would like to remove it and have it like the later p38 rockers with an after market flush oil cap as I'm going to doctor them a little to improve the looks of the engine!

Cheers
Jono

Posted: Fri Jul 15, 2011 7:28 am
by ChrisJC
They do unscrew. Can be a bit of a b*gger though.

Chris.

Re: Rover 3.5 oil filler neck...

Posted: Fri Jul 15, 2011 8:21 am
by DaveEFI
Jono FD3 wrote:Sorry for all the questions guys!! LOL

Does anyone know if the short extention tube for the oil fill unscrews fro the rocker box or is it part of the casting?? Reason being I would like to remove it and have it like the later p38 rockers with an after market flush oil cap as I'm going to doctor them a little to improve the looks of the engine!

Cheers
Jono
Yes. IIRC, it has the same thread as the opposite side on some versions which takes the flame trap.

Posted: Sat Jul 16, 2011 10:10 pm
by CastleMGBV8
Jono,

You can use the original oil cap and smarten it up by removing the plastic cover and polishing it, but you must grind off the area below the thread otherwise it will make contact with the rockers with resultant expensive damage.

you can get modified ones off e-bay but it's easy to do yourself.

Kevin

Posted: Sun Jul 17, 2011 1:58 pm
by Jono FD3
Sweet, that's what I wanted to know ;)
So the thread in the rocker box is the same as the stock cap? Makes my plan alot easyer!!

Jono

Posted: Mon Jan 02, 2017 9:25 am
by Vard66
Sorry to necro-post, but makes more sense than creating a new one.

Anybody any insightful tips for removing the oil filler neck? I'm having a mare, it's having absolutely none of it.

Posted: Mon Jan 02, 2017 9:26 am
by ChrisJC
Massive Stillsons.

Chris.

Posted: Mon Jan 02, 2017 9:27 am
by Vard66
That's crossed my mind. The catch here is I've already painted it with VHT, and don't want to have to redo it if possible. :-/

Posted: Mon Jan 02, 2017 10:01 am
by DaveEFI
The biggest strap wrench you can find?

Posted: Mon Jan 02, 2017 10:59 am
by unstable load
If you aren't going to use it again, drill 2 holes through it sideways and shove a Phillips screwdriver through it to turn it out.

Posted: Mon Jan 02, 2017 4:03 pm
by gelmonkey
Wrap the base with masking tape then cover it with a cloth before using slip pliers over the top of the cloth.
Hold the rocker box in a workmate or similar as everyone says they can be a pig and they are!
P

Posted: Mon Jan 02, 2017 5:12 pm
by ged
I've found gripping the neck in a vice & turning the cover works. If you're still struggling try tightening it slightly first before undoing it as this will help break the crud seal.

I do make filler caps & also filler necks so if you would like one of these pm me. I'll remove the part before the thread at no extra cost.

Best Regards

Ged

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