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Author Topic: WHICH SUMP TO USE ON 304  (Read 820 times)
Mal W
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« on: May 15, 2020, 06:26:55 PM »
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To those in the know,

Which sump do you use on a 304 when fitting into a FC. I also have a rod shop IFS front end with front mounted power rack.

Thanks

Mal
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Malcolm WHITTAKER
NES304
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« Reply #1 on: May 15, 2020, 09:29:50 PM »
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I used a pre injection 308 sump as the hum is reversed but the front crossmember needed notching. So I modified the sumo anyway.
253 sump is also a great start.
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Mal W
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« Reply #2 on: May 15, 2020, 10:51:59 PM »
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Thanks for that, the rear section of my cross member is angled so do you think the sump will still need modifying


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Malcolm WHITTAKER
FireKraka
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« Reply #3 on: May 16, 2020, 09:31:07 AM »
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Should be ok mal that is very similar to what they used to do to HR crossmembers.
When I do my V6 mock ups for engine mounts I put the crossmember on the floor and lower the engine on to it without it in the subchassis if you did similar with a sump fitted you would be able to check clearance maybe.
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Neil
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NES304
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« Reply #4 on: May 16, 2020, 11:28:29 AM »
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Depends on where you want the engine to sit. With a 253/308 sump and the engine back enough you might get away with it.
You’ll have to fit to check.
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Mal W
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« Reply #5 on: May 16, 2020, 06:18:52 PM »
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Thanks a lot guys
Mal
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Malcolm WHITTAKER
Dr_Terry
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« Reply #6 on: May 18, 2020, 11:03:51 AM »
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There are really 3 differently shaped sumps to suit the Holden V8 HT-HG, HQ-WB (Incl. LH-LX) & the finally the Commodore style.

The Commodore has the 'hump" at the front, so won't suit that crossmember.

I think the HQ-WB style will be the better fit.

The sumps from 253, 308, 304 (carby or EFI) & the 350 stroker will interchange. It is the chassis of the car that determines which sump suits, not the engine size

Dr Terry
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