928SS

here ya go

BC

Thats all we need? Some heavy duty grating and the pan lowering piece?

What would be the best test to compare this to previous attempts?

928SS

the results he got w/a full 95mm stroker at fontana? keep in mind this is w/NA cars. not sure what'd happen w/a blower and 40 psi in the crankcase

BTW, that's not grating from home depot it's specifically designed windage material, iirc.

the port/head work he did is incredible too. last early 32V head stroker results I've seen were nearly 40rwhp less. comparing port jobs often gets the same comments - is that all he did?? sometimes little things make big diffs

Jim bailey - 928 International

The expanded metal is like a cheese grater it sticks up and cuts in one direction but not the other so it is hundreds of little louvers directing the oil down away from the crank plus drops of oil hitting the grating tend NOT to bounce back since they hit open areas, angled areas and disperse.

BC

Okay, spill the beans. What did the head work cost. Inquiring minds need to know.

928SS

prolly a whole lot less than converting an entire car from the firewall forward. ie, ECU/harnesses, intake, heads, front end stuff and.... damn!

H2

Worf,

Did anyone ever tell you that you have great taste? An engine by Greg. Wow. I'm envious. That should build confidence and add value to your car.

Harvey

worf928

Greg does good work. Iris' engine was rebuilt by Greg in 1996. 10+ years later the oil pan is still dry as a bone along with all the other gaskets. Can't say the same for the factory's efforts on my '91.

hacker-pschorr

Are the screens welded on?

Imo000

Yes to a steel plate and the plate is held on to the block by that bolt in the middle. It's easier to see all this on the first pic.

928SS

moroso, summit, et al do similar stuff for cheby's n ferds. seems to be pretty well established technology... I'd guess there will have to be 2 versions - 1 for stroker cranks, and for stock cranks, since clearances are everything. kinda cool to have this avail for 928's now. I wanted to have him make a deep sump pan too. but the clearance to the ground is kinda an issue for a street car, so the most that's feasable is just lowering it a bit.

dr. brown is a friggin artist when it comes to custom motor/fab work. I've seen some speed gt stuff he's done and it's incredible. imo, NASA would be happy with what he does.

BC

So with this working so well, and the crank scraper that Kevin Johnson made and some of us bought, where would a good middle ground be for a track car?

The johnson one has scrapers, a baffle, and a complex frame that lets the pan only see a bit of the rods.

GregBBRD

It's hard to compare stuff without doing back to back testing. The problems I've had before with crank scrapers on a 928 is that the oil tends to get trapped on top of them on the 1-4 side and then gets into a continuous loop of trying to get by the scraper and being pushed back up towards the head. The 928 engine is somewhat unique in that the fact that the oil returning from the heads and camshafts runs down the sides of the block. I really didn't want to interfere with this oil return path, so I skipped the scrapers. The side mount pieces on the screens were designed to block the "sloshing" of the oil when the car goes around corners, while allowing the oil to return without resistance, to the pan. This stuff is definately not some simple grating that is stuck down there and a spacer. There's a bit more there than meets the initial inspection.

gb

928SS

beats me, but if mine was a pure track car I'd go dry sump in a heartbeat. then I'd kiss oiling issues goodbye and get some vacume in that case for a few extra ponies. but that's just me.

since greg built my motor I figured he'd be the one to trust w/any mods, so it was kinda a no-brainer for me to go w/this setup.

Louie928

Do you have, and can you post, a picture of how the oil pickup assembly is attached?