4200 rear sump oil pans.
New tooling is in the works to ease the foundry issues. I'll update as I progress.
limequat wrote:If you're making design changes, I'd suggest making it a clean 5 qt sump. I read a few gripes about the 4.5 qt capacity.
ca434sbc4 wrote:limequat wrote:If you're making design changes, I'd suggest making it a clean 5 qt sump. I read a few gripes about the 4.5 qt capacity.
Ok I'll accept the comment. To adress it there are 3 possible ways of increasing volume:
1) make the sump deeper - disadvantage less ground clearance, advantage - no impact with potential crossmember interfreence, no impact to wrench access to the torque converter bolts (on the I4/I5 these are a real bitch to remove install - no wrench access). The sump is currently ~7" deep from the pan rail to the bottom side of the pan.
2) Extend the sump forward - disadvantage possible interference with crossmembers, advatage no change in pan depth, no impact to wrench access.
3) extend the sump rearward - disadvantage issues getting the torque converter bolts in/out, advantage - advatage no change in pan depth &no impact with potential crossmember interfreence.
What cannot be done is make the sump wider or kick out - this is a sand casting and it requires a certain draft angle. To add a kickout really increases the cost of the tooling and core set up and unless someone want to pay for it now I'm not doing it.
So which of the 3 choices would you pick?
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