2.3 Oil pump swap with pictures - Page 2 - Performance Forum

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Re: 2.3 Oil pump swap **sticky** with pictures
Thursday, May 03, 2007 9:30 AM
ok, where is everyone getting their 2.3 oil pump. i went to a GM dealer and they listed JUST the pump at $505.00...guy's friggen retarded.



Re: 2.3 Oil pump swap **sticky** with pictures
Thursday, May 03, 2007 9:46 AM
www.gmpp.com

I ordered mine from a local machine shop for $185-200 IIRC


HP Tuners | Garrett T3/T04B | 2.5" Charge Pipes | 2.5" Downpipe | 650 Injectors | HO Manifold | Addco front/rear | Motor Mounts | HKS SSQV | Spec stage 3 | AEM UEGO Wideband | Team Green LSD | FMIC | 2.3 cams | 2.3 oil pump swap | 280WHP | Now ECOTECED

Re: 2.3 Oil pump swap **sticky** with pictures
Thursday, May 03, 2007 10:24 AM
Melling oil pump # M-136 Autozone $109.99


From page 1






Edited 1 time(s). Last edited Thursday, May 03, 2007 10:26 AM


"The FACTS are always subject to CHANGE once the TRUTH is applied"
"In the entire history of man the only stupid questions are the ones that don't get asked"
Re: 2.3 Oil pump swap **sticky** with pictures
Thursday, May 03, 2007 10:26 AM
Also, i got the oil flow diagrams for both 2.3 and the 2.4 that I will post up in this post sometime, but, scanner isnt hooked up, if somebody wants them, I will get on that.
Re: 2.3 Oil pump swap **sticky** with pictures
Thursday, May 03, 2007 10:49 AM
You Gotta get on that. LOL




Re: 2.3 Oil pump swap **sticky** with pictures
Saturday, May 05, 2007 9:07 AM
ok, i'm now the proud new owner of a M-136 Milling oil pump. and appearently the guy at GM also said that the crak gear to pump is discontinued...where the hell do they get these kids? i'd be happy with a used one. but it looks like gmpartsdirect FTW.


Re: 2.3 Oil pump swap **sticky** with pictures
Saturday, May 05, 2007 11:17 AM
ok i asked in noobs section so i dindt jsut sound liek a tard in this post but no one answered... what are the pro's and cons of this?



Re: 2.3 Oil pump swap **sticky** with pictures
Saturday, May 05, 2007 11:27 AM
essentially, only real need for this is if you have a higher horsepowered LD9. This pump just flows more oil so you have better preassure and you get rid of the balance shaft which weighs about 10-15 lbs. keeps things lubricated more thouroughly basicly.


Re: 2.3 Oil pump swap **sticky** with pictures
Saturday, May 05, 2007 11:48 AM
actually the only real reason to get this swap is if you ever want to run safely above 5800rpm. There has been about 10-15 arguments about this (i have been in a couple) and the end result we all pretty much agreed on.. when GM designed the engine and the 2000-2002 GM s/c kit, on the engine dyno the engine started loosing oil pressure with a stock pump. The reason being was the smaller 2.4 (compaired to the 2.3) spins too fast and cavitates (aerates, foams) the oil and cause air to flow with the oil.

Having said that, people have successfully ported (have read about) 2.4 oil pump systems, and balanced the shafts and will argue that the 2.4 pump can be just as good, this may be the case.. but if you are reading this far, you know why you want to do the swap, and have decided whether or not you are going to do the swap.

I think I went over the reasons that I did it. 1)turbo charged, so I run a larger pan with 5.5 liters instead of 4.4.. to decrease oil duty cycle 2)proven to not loose oil pressure to my set redline 3)oil pump sits almost 1" lower than stock 4)complete windage tray 5) less rotational mass. Could I have the same horsepower with the 2.4 pump??? I would say very likely.


HP Tuners | Garrett T3/T04B | 2.5" Charge Pipes | 2.5" Downpipe | 650 Injectors | HO Manifold | Addco front/rear | Motor Mounts | HKS SSQV | Spec stage 3 | AEM UEGO Wideband | Team Green LSD | FMIC | 2.3 cams | 2.3 oil pump swap | 280WHP | Now ECOTECED

Re: 2.3 Oil pump swap **sticky** with pictures
Saturday, May 05, 2007 12:31 PM
thanks alot for filling me on on this



Re: 2.3 Oil pump swap **sticky** with pictures
Wednesday, May 09, 2007 4:00 AM
Fst Cavy wrote:

Also, i got the oil flow diagrams for both 2.3 and the 2.4 that I will post up in this post sometime, but, scanner isnt hooked up, if somebody wants them, I will get on that.

Well?





Re: 2.3 Oil pump swap **sticky** with pictures
Wednesday, May 09, 2007 6:43 AM
ok, for the pick-up and assembly, did everyopne use GM parts or did anyone think of using Melling parts for that as well. i get free overnight shipping so i can get that faster then GM parts.....so...Melling pick- up and assembly.... anyone?


Re: 2.3 Oil pump swap **sticky** with pictures
Wednesday, May 09, 2007 6:45 AM
that is a really good question, I can't see why it would not work, as long as it is the same as the GM stuff.


HP Tuners | Garrett T3/T04B | 2.5" Charge Pipes | 2.5" Downpipe | 650 Injectors | HO Manifold | Addco front/rear | Motor Mounts | HKS SSQV | Spec stage 3 | AEM UEGO Wideband | Team Green LSD | FMIC | 2.3 cams | 2.3 oil pump swap | 280WHP | Now ECOTECED

Re: 2.3 Oil pump swap **sticky** with pictures
Wednesday, May 09, 2007 9:25 AM
well i guess technically it would have to be since it matches the pump right? and it's made for a similar block..well i guess i can order it and if it's not correct i can always get my money back.


Re: 2.3 Oil pump swap **sticky** with pictures
Monday, May 14, 2007 8:13 PM
why dont you sell it for those of us who are not to experienced in that line of work just yet. Can you combine the 2.3block with a 2.4crank and have a 2.3oi pump? This line of work does not fit my schema just yet but asking to get a know how, thankz


GMR has got nothing on this
Re: 2.3 Oil pump swap **sticky** with pictures
Monday, May 14, 2007 9:11 PM
Awesome work, thanks a lot for posting this! I have one question.

Wouldn't it be easier to weld the flange from the 2.4L pan to the 2.3L pan?


- Paul

Re: 2.3 Oil pump swap **sticky** with pictures
Tuesday, May 15, 2007 6:42 AM
you ever welded cast?.....how about cast aluminium?....theres your answer. it's not easy. i'm no welder so machine shops are the best choice unless you know what you're doing. that or buy the Miller performance oil pan


Re: 2.3 Oil pump swap **sticky** with pictures
Tuesday, May 15, 2007 2:30 PM
Well don't you have to weld on an extention to the pan anyways?


- Paul

Re: 2.3 Oil pump swap **sticky** with pictures
Tuesday, May 15, 2007 3:09 PM
yah, any shop that can weld, ca TIG weld, so that is a small deal really.


HP Tuners | Garrett T3/T04B | 2.5" Charge Pipes | 2.5" Downpipe | 650 Injectors | HO Manifold | Addco front/rear | Motor Mounts | HKS SSQV | Spec stage 3 | AEM UEGO Wideband | Team Green LSD | FMIC | 2.3 cams | 2.3 oil pump swap | 280WHP | Now ECOTECED

Re: 2.3 Oil pump swap **sticky** with pictures
Tuesday, May 15, 2007 4:17 PM
What is the part number for the Melling 2.3 pickup tube???




Jason
99 Z24
157hp/171tq
wheres my boost??
Re: 2.3 Oil pump swap **sticky** with pictures
Tuesday, May 15, 2007 4:25 PM
GM PN # 22539133

Chris


'02 Z-24 Supercharged
13.7 @102.45 MPH Third Place, 2007 GMSC Bash SOLD AS OF 01MAR08


Re: 2.3 Oil pump swap **sticky** with pictures
Wednesday, May 16, 2007 9:09 AM
Quote:

What is the part number for the Melling 2.3 pickup tube???


the part number is 255S from the Melling website. i was searching around for pictures of what the Melling pick-up looks like in comparioson to the GM one and i couldn't find anything. so i'm just hoping for the best of if it'll work.


Re: 2.3 Oil pump swap **sticky** with pictures
Wednesday, May 30, 2007 6:34 AM
bump. oh and i keep forgetting to post this. the Melling 255S oil pump screen is identical to the GM one, so you can just order one straight from Melling if you have any difficulties getting ur hands on the GM replacement one. I went and picked mine up a while ago, i'll put up some pictures if anyone wants to compare them.


Re: 2.3 Oil pump swap **sticky** with pictures
Monday, June 11, 2007 6:30 AM
2.3L Pump:
Crank Gear for the pump: <<<What is the part number for this?
Windage Tray: 22536409
Baffle Stud: 22542521 x2
Baffle Bolt: 22540299 x2
Oil Pick Assembly: 22539133
Brace: 24570677
Bolt To Screen: 11516802 x2
Nut For Brace: 22535081 x2
Bolt Flange Head: 11516061 x2
Oil Pump Bolts To Block: 14050422 x2
Locator Pins For Pump: 22531530 x2


BTW, sticky this already











~2014 New Z under the knife, same heart different body~
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Re: 2.3 Oil pump swap **sticky** with pictures
Monday, June 11, 2007 6:38 AM
22531309 I think, but p/n does not work.






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