[Spridgets] A 1275 competition pan

derf derf247 at gmail.com
Sat Feb 1 13:39:03 MST 2020

Is that current filter head symmetrical?  Will it bolt on "upside down"?
Just curious.

On Sat, Feb 1, 2020 at 2:35 PM derf <derf247 at gmail.com> wrote:

> Run a shorter filter or a remote filter head.
> On Sat, Feb 1, 2020 at 2:32 PM crusaderchuck55--- via Spridgets <
> spridgets at autox.team.net> wrote:
>> A VERY GENEROUS list member sent me a competition oil pan.   It needed a
>> little work as time had done it's "thing".  Well I fixed and fabricated a
>> bit or two. Then I went to test fit it and UH-OH...houston we have a
>> problem!   It would not fit over the rear main cap on my core 1275 block.
>> It took a little homework to figure this pan was intended for a 948 or 1098
>> with small journals.  Ok I did all the other work I might as well make it
>> fit a 1275.  I had 1 1275 stock oil pan and 5 948 ones!   Yup I cut up a
>> perfectly good 1275 pan and grafted the piece in the rear that fit the 1275
>> rear main cap. .BTW, the fronts fitment is the same 948-1275.
>>  So...yesterday I was running taps through every threaded hole in the block
>> a spin on oil filter fitment came to mind....yeah, it is an interference
>> fit!   As in the filter I have (& I have 4 or 5 more ! So I intend to use
>> them!) Is just long enough the end up literally into the top edge of the
>> extended sump.  Guess what I'm doing today?   YES!  Cutting that edge to
>> allow about 1/2"-3/4" clearance around the filter and between 3/4"-1"
>> bottom of filter to the oil pan.  That will allow the use of a tool to
>> loosen ( if needed) and enough room to drop off the threaded piece in the
>> factory spin on filter housing.  Now I had considered doing a remote filter
>> ( I have a remote filter casting) , but I do not possess the plate for a
>> fitting that many sell for a remote filter set up.  Or I would leave the
>> pan alone .
>> This has been a huge challenge to make the pan fit , right down to a
>> custom sump pickup assembly for it and a partial windage tray it was
>> missing.
>> Whew!   I DEFINITLY am using this pan!
>> ( talk about determined!)
>> Now back to porting a 1275 head!
>> Chuck.
>> Attached : Image is the interference fit....
>> *Sent from my LG Mobile*
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