Roush 427r only made 400whp :(

[Ace23]

Originally Posted by DAVID GAGNARD

okee dokee, I understood it to be the pan number you had, no harm,no foul....

I have this pan on both my race car and street car (both 65 Mustangs):

https://www.cantonracingproducts.com...-14-GA-RR-PAN/

only difference is it is a little wider and holds 8 quarts....Canton makes a very good pan and I've been very satisfied with them....

Dipstick: could the dipstick tube be loose in the timing chain cover or possible sometimes your not pushing the dipstick all the way down???? I had one dipstick that was too long and would hang up on something in the engine before it bottomed out on the tube, I had to cut about an inch off the end of the dipstick to make it go down without a fight,once I filled the pan with the right amount of oil,I marked the dipstick and it has been like that since....

David

This dipstick tube goes directly into the oil pan. I think a few of the things you mentioned are possible. The plan is to drain the oil and refill the pan with 7 quarts. I will then see what type of indication I'm getting on the dip stick and start cutting down the dip stick tube if necessary. I local friend has the exact same block and oil pan and I can use his dipstick as a comparison as well. My guess is my dipstick has never been calibrated and may not be long enough or the dip stick tube may be too long. With 10 quarts my reading was at the add line and fluctuated a few times with back to back checking on a cold engine which makes me think the dipstick tube could be moving at some point