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I am looking at investing in a sump extension. From what I gather Micks Metal Craft ones hold the most oil in them and seem to be praised as the best on the market. But, they cost a fortune and the engine needs to be out to install them.

What about the Trust ones? Is it true that they poke out the bottom and reduce the clearance of the car?

I know mods need to be done to the sump to fit them but can it be done on a hoist or is it s motor out job?

Are there any inherit faults with the unit?

Any help will be welcome.

thank you all in advance.

Edited by khezz
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https://www.sau.com.au/forums/topic/172042-trust-sump-extension/
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We run the trust extended sumps and are happy with how they perform, haven't had any surge issues with it on.

It is pretty much an engine out job, you need to take the sump off, cut a hole in it and weld the extension on. Also comes with an extended pickup.

Hangs about 10cm lower than the standard sump but we have never hit it, even on tarmac rallies.

No real faults, they and the Micks ones are pretty much the same.

You still have a stock bottom end dude, and to this day, i still dont see the point when its only a band aid fix to a bigger problem with the RB's.

Also no point if your having the motor out, you might as well rebuild it if your doing that.

Just put 1 litre overfill into the sump before a track day or whatever, and you will be fine.

:P

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