The 18R-GTE reference manual ...

[YelloRolla]

Well I have a new machine shop vying for our business. The guy delivered the first batch of parts yesterday and was staring at the oil pump drum and rotor on my desk. The quick version is; he's a racer, has a degree in Automotive engineering, has wire EDM, is proficient at CAD, and wants my business. He took the pump and is going to create drawings, develop tolerances, etc. So I will be getting a prototoype in the near future and he thinks he can hit $150US for the two parts and the spacer for 10 mm longer pump than 18RC at 25 sets.

Talk about the stars aligning.

If we are going to do a group buy, I am very interested in buying a few sets.

[MnToyGuy]

Once we do the prototype, we'll have a good idea on cost. Then I'll post for interest in a GB. I figure between 1GC, here and CC we can get about 15 commitments. The rest I'll e-bay. I may need someone to volunteer to test the prototype.

[roadkill]

Hi,

If everything goes to plan i think that doing a 15mm or 20mm spacer plate and matching internals would be a good idea for the turbo boys - they need more oil flow! Apparently there was a trd one that was 5mm longer than the rg (i think...)

Nice work though - looking forward to results!

bEn

[MnToyGuy]

The TRD version was in fact 5 mm longer than the RG, so 17% better oil flow than the RG and 40% better than the RC. We plan on going as long as we can with one pass of the wire EDM. A second pass will basically double the price. Can anyone provide the max length we can go without hitting the oil pan with the pickup?

[JustenGT8]

I'm down for one for sure.

I had the TRD one in my 18RGT and highly recommend the upgrade along with a well baffled sump. A 10mm spacer will be plenty for all

[MnToyGuy]

My engine builder CC's the oil pan and marked a safe max level. I'll have to check notes, but it was something close to 6 quarts (without the oil pump in). I'm going to transfer that mark onto the dipstick and let you know once the engine is assembled what the total is.

I ported the oil return galleys in the head as well. Do you think additional baffling in the oil pan is needed as well. I'm aware of the long right hand sweeper achilles heel of the RG. Does anyone have any pics of a well baffled oil pan??

[YelloRolla]

The prollem with the 18RG, as I see it, is the pick up - it is a dead set abortion! The pick up should be wider and shrouded better. The 18RG's that I have had apart recently, the mesh of the pick up is very close to the pan, and with a slight biff of the sump, they actually touch.

So, IMO, 5.0mm longer per TRD spec will be adequate (even for the turbo boys), BUT revising the pick up is more important than baffling.

[JustenGT8]

The prollem with the 18RG, as I see it, is the pick up - it is a dead set abortion! The pick up should be wider and shrouded better. The 18RG's that I have had apart recently, the mesh of the pick up is very close to the pan, and with a slight biff, of the sump, they actually touch.

So, IMO, 5.0mm longer per TRD spec will be adequate (even for the turbo boys), BUT revising the pick up is more important than baffling.

I'm not disagreeing Jase but a custom sump with decent baffling fixed all my surge issues even with the stock pickup....hanging off the TRD pump though.

My sump was 'winged' with swing gates in each wing. A simpler and just as effective baffle is to have and X set of plates welded in with the pickup at the insection....that way all the oil has to flow past the pickup no matter which way it's sloshing.

[YelloRolla]

Now that ^ is a good idea - the cross that is. I would still manufacture a better shroud for the pick up. The stock set up will suck air once the level gets blow the top of the screen, so, if you keep the stock set up and don't have baffles OR if you baffle the sump, you should still shroud the screen and pick up better.

I would like to see one on it like the 1-UZ or even the 3T-G or 2T-G shroud and screen. The 3T-GTE has the same size oil pump gears as the 18R-C, but does not suffer from oil surge.

Shrouding the screen on the 18RG is a bit difficult too, because the shroud easily hits the side of the pan and the sump plug bung. The best way to knock one together for it is to have it spun so that it tapers inwards toward the bottom away from the bung and the edge of the pan.

[o_man_ra23]

MnToyGuy, count me in for one... as long as possible (have extended my sump down around an inch)

As for shrouding the pickup, that's a fantastic idea, and I'll do that to mine when I pull the sump back off after run in.

[MnToyGuy]

Wow, based on the PM's and responses here, there should be no problem moving 25 units, we may even be able to up that, which would only help the price.

Anyone interested in designing shroud pickups and do a group of those at the same time??

[o_man_ra23]

I have a splutter!!! This is indeed an 18R-GTE trying to fire!! Sorted my ignition issues, now to tune the fuel well enough to run...

[river]

Hi,

A splutter!!!!!

Awww, 18R-GTE baby steps.

Good work sunshine. Let us know when you get it sorted.. and maybe a youtube clip so we can see and hear this wonder of the modern age in action.

seeyuzz
river

[o_man_ra23]

Yeah, I want to get it running and put up a Youtube clip before I finish the exhaust

[Steve M]

MnToyGuy,
I would be interested in two sets of oil pump internals if that price ends up being correct.