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Message: [QUOTE="DZL JIM, post: 1488171, member: 153"] No oil cooler, it's a drag car, not needed. I thought about adding one, just not a lot of room to do so, and oil temps haven't been a factor yet. Yes and no. It's still pulling low pressure oil, but with the design of the reservoir and supply standpipe the way it is it can't pull any more low pressure oil down than once the psi of the reservoir drops to zero. At that point the low pressure system is trying to fill the res as fast as it can regardless of how fast the HPOP is spinning and moving oil (given that the HPOP is draining the reservoir at whatever pace it is.) There is no direct passage from the low pressure system to the HPOP that would cause it to 'pull' low pressure oil out of the low pressure system. Make sense? Exactly. I agree. I think that my main issue is in the external pressure regulator dumping pressure very quickly when I let off, but I am trying to cover all bases to figure this out. Yeah, that's a good idea, which I tried. But going 140 mph I'm kind of focused on stopping before I get to the corn field. And by the time I can switch focus and bump to neutral, it's already running poorly. [/QUOTE]

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