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Title: WHICH SUMP TO USE ON 304 Post by: Mal W on May 15, 2020, 06:26:55 PM 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 Title: Re: WHICH SUMP TO USE ON 304 Post by: NES304 on May 15, 2020, 09:29:50 PM 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. Title: Re: WHICH SUMP TO USE ON 304 Post by: Mal W on May 15, 2020, 10:51:59 PM Thanks for that, the rear section of my cross member is angled so do you think the sump will still need modifying
(https://i61.photobucket.com/albums/h41/cop111car/IMG_2145_zpssszvi52y.jpg) Title: Re: WHICH SUMP TO USE ON 304 Post by: FireKraka on May 16, 2020, 09:31:07 AM 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. Regards Neil Title: Re: WHICH SUMP TO USE ON 304 Post by: NES304 on May 16, 2020, 11:28:29 AM 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. Title: Re: WHICH SUMP TO USE ON 304 Post by: Mal W on May 16, 2020, 06:18:52 PM Thanks a lot guys
Mal Title: Re: WHICH SUMP TO USE ON 304 Post by: Dr_Terry on May 18, 2020, 11:03:51 AM 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 |