LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

finishing up the 355...which oil pump to get?

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Old Jan 22, 2004 | 04:31 PM
  #1  
xxsaint69x's Avatar
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finishing up the 355...which oil pump to get?

Which oil pump/pick up to go with?
part numbers would be great.

Thanks
Marcin
Old Jan 22, 2004 | 04:52 PM
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J96Z's Avatar
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A Melling stock replacemet pump should be fine. Should be the same as any other sbc just the pickup could be different but its probably the same too.
Old Jan 22, 2004 | 05:00 PM
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Thats what I got..High volume Meiling Oil pump,shaft,and Pick-up,etc.
Old Jan 22, 2004 | 06:38 PM
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Why'd you get the high-volume pump?

Lingenfelter's book on rebuliding LT1's specifically addresses this issue and swears by the stock pump for every street machine. High volumes and excessive pressures just bleed more hp from the engine.

If it's street duty most of the time, get a GM pump and be happy our oil systems are one of the best designs around.

...but that's just what I've read, and what will be in my 383.
Old Jan 23, 2004 | 11:41 AM
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Re: finishing up the 355...which oil pump to get?

Originally posted by xxsaint69x
Which oil pump/pick up to go with?
part numbers would be great.

Thanks
Marcin
good luck with the new motor.im also lookin for a 355lt-1,who did yours?
Old Jan 23, 2004 | 02:50 PM
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I sorta like more oil pressure so I went with a Mellings unit.

But I ran for years on a stock pump.
Old Jan 23, 2004 | 04:36 PM
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I currently am using the Mellings 10555 Hi-volume Race pump. I dont remember the part number for the pickup, but the guys at Combination Motorsports set me up with one. Just give them a call and I am sure they have the pumps and pickups in stock. I paid like $58 for the pump and another 10 or so for the pickup.

FYI, this pump might try to suck the stock pan dry under hard acceleration. To fix this you might want to get a Canton Oil pan. My car will have one in a few weeks.

Brian
Old Jan 23, 2004 | 09:06 PM
  #8  
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Originally posted by Steve in Seattle
Why'd you get the high-volume pump?

Lingenfelter's book on rebuliding LT1's specifically addresses this issue and swears by the stock pump for every street machine. High volumes and excessive pressures just bleed more hp from the engine.

If it's street duty most of the time, get a GM pump and be happy our oil systems are one of the best designs around.

...but that's just what I've read, and what will be in my 383.
I'll gladly sacrafice a few ponies for superior oiling
Old Jan 23, 2004 | 09:14 PM
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I'm running a blueprinted speed pro 224-100R high volume pump rated @ 65psi with the stock pan and have had no problems under hard acceleration with oil pressure. There's no way I would run the stock pump with my motor.

Last edited by RCF925; Jan 25, 2004 at 01:59 PM.
Old Jan 23, 2004 | 09:21 PM
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I just bought another stocker for $50 and reused the pickup.....be sure and tack weld the pickup to the pump.
Old Jan 24, 2004 | 12:09 AM
  #11  
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Originally posted by RCF925
There's no way I would run the stock pump with my motor.
Same here...I would rather have more than enough pump, than not enough.
Old Jan 24, 2004 | 01:46 AM
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" get a Canton Oil pan"
.. where can you get one of those and what other pans are avaliable for our cars??
Old Jan 24, 2004 | 11:42 AM
  #13  
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I would think that Speed Inc, or Thunder Racing would carry the Canton Pan's...
Old Jan 24, 2004 | 01:47 PM
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I will be seeing how a new stock pump with the white higher pressure spring does in a week or two.
Old Jan 24, 2004 | 04:21 PM
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Also forgot to mention....be sure and upgrade to the all metal shaft and sleve.



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