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25neo Awd To Rwd - Baffle Question

nicr4wks

By nicr4wks,
in Engines & Forced Induction

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nicr4wks Experienced

nicr4wks

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Heya guys,

I'm converting a 25det neo from a Stagea to RWD so it can be used in a 33, using the sump from a S2 25det.

The NEO has 2 baffle plates attached to the main girdle, the rear plate needs to be removed to fit the 33 sump as this has baffles attached in the sump where as the awd sump was just a flat surface. I imagine this will be OK as the 33 sump looks to have a very similar baffle layout to that of the removed plate, or is it a better idea to remove the sump baffles so the neo baffle plate can still be used?

When removing the baffle plate the bolt holes on the main girdle are left empty, should the bolts go back in to maintain rigidity? Otherwise I'd probably leave them out to prevent the chances of one coming lose down the track.

Cheers!

post-63773-0-78265000-1437452780_thumb.jpg post-63773-0-77741600-1437452719_thumb.jpg

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https://www.sau.com.au/forums/topic/458384-25neo-awd-to-rwd-baffle-question/
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nicr4wks Experienced

nicr4wks

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Pretty sure we removed those baffles on mine.

What are you going to do with the oil pickup?

TBH I hadn't looked at the pickup yet to realise it's different! Went to work on it tonight and saw the problem..

Baffles have been cut out of the 33 sump and the original plates put back on the girdle, this will hopefully fix both problems. Waiting for the sump to dry 100% after cleaning out the shavings from cutting and will test fit everything again.

  • 3 weeks later...
nicr4wks Experienced

nicr4wks

Posted
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Just a bit of closure for if anyone searches this in the future.

An R33 sump will not fit the NEO block, even though the block was drilled to accept the 2wd 33 sump there is no way it will fit without some serious modification to the pickup, or to the sump (cutting and welding type modification). Fitting a 33 pickup does not solve the problem either.

I ended up getting a neo 2wd sump and bolting that on instead. To make it fit in an R33 the power steering lines need to be un bolted from the front cross member and held out of the way as the engine is lowered in, if you don't do this the fins on the neo sump will crush the lines. Once the engine is on the mounts you can clearly see how to re-route the powersteer lines around the fins.

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