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DaveM · 07-22-08, 08:09 PM

Wanted to know from other SPF owners what oil pressure they get with a Roush engine? My new 427SR is 55psi cold, but drops to 45psi at 80 degree C. The 45 psi is from above idle to 3500rpm when it slowly moves up to 50psi. I'm using conventional 10-30 Pennzoil as recommended by Roush for break in.

07-22-08, 08:09 PM	#1 (permalink)
DaveM SwiftDB4 Rookie Join Date: Jun 2007 Location: WA,USA GT40: SPF P2226 Posts: 70 Rep Power: 2	Roush oil pressure Wanted to know from other SPF owners what oil pressure they get with a Roush engine? My new 427SR is 55psi cold, but drops to 45psi at 80 degree C. The 45 psi is from above idle to 3500rpm when it slowly moves up to 50psi. I'm using conventional 10-30 Pennzoil as recommended by Roush for break in.