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Data Logging and a Steeper Learning Curve


xcarguy

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Z,

 

Depending on the size of the tank (dry sump reservoir or Accusump accumulator), you could mount the tank in the most forward part of the passenger foot well. I haven't finished the install yet, but I added a few photos to Gallery that show where I mounted the Accusump accumulator; see link below. The 'accumulator only' (3 qt) is 16" x 4.25".

 

If you decided to go with an Accusump (and do a foot well mount) you may want to consider remote-mounting the air pressure gauge and the Schrader valve for access.

 

http://www471.pair.com/stalkerv/gallery2/main.php?g2_itemId=25339

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You know X. I have an accusump system in the garage from my previous project. I was holding off on installing it just to avoid clutter and complication. Now I think I have changed my mind.

 

I'm not going to be able to mount my accumulator the same way as my shelf is crowded with air filter now. I may need to give up the passenger foot well for battery and Accusump...

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You know X. I have an accusump system in the garage from my previous project. I was holding off on installing it just to avoid clutter and complication. Now I think I have changed my mind.

 

I'm not going to be able to mount my accumulator the same way as my shelf is crowded with air filter now. I may need to give up the passenger foot well for battery and Accusump...

 

Z,

 

As for battery, you could always go behind the pax seat (mine is there):

 

http://www471.pair.com/stalkerv/gallery2/main.php?g2_itemId=22732

 

As for air intake, if you wanted to change the design, you could plumb to a) the other side of the fire wall:

 

http://www471.pair.com/stalkerv/gallery2/main.php?g2_itemId=18776

 

b) up to the fire wall:

 

http://www471.pair.com/stalkerv/gallery2/main.php?g2_itemId=23102

 

or c) recess the fire wall (sorry, no photo) :hat:

 

I know I'm stating the obvious (you're familiar), but the oil end of the accumulator needs to sit slightly higher than the air end to help purge the accumulation of air bubbles (from foam in the oil) during pre-oiling. If the accumulator is vertical, pretty much ALL the air will purge.

 

Both are just ideas, but relocating the battery and air intake would allow for the vertical mount on the accumulator and still give you plenty of pax leg room in the foot well.

 

Regardless of which direction you go, definitely take measures to protect the engine; there's no way you are NOT going to drive your car to the edge of it's limits. :jester:

Edited by xcarguy
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Just keep in mind that most people end up hurting their power when "modding" their engine intake system. or just increase high end power at the expense of low end power.

 

 

 

I think we're just a tiny bit past modding; 'modified' L92 in a kit car? :ack: What I'm suggesting to subtlez28 is simply a reroute of his existing air filter in order to make room for either a dry sump reservoir or an Accusump accumulator. With the amount of power his L92 has on tap, I'm pretty sure it'll be okay.

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Great videos! Your low oil pressure has me thinking now...I'm eager to see the difference after adding the Accusump.

 

On paper, I'm leaning toward just going the dry sump route from the beginning instead of adding it later, but maybe one of those hybrid/less expensive approaches that keeps the stock pump for pressure and uses an external scavenge pump w/a modified pan to eliminate the issues at the pickup tube. Admittedly, I don't fully understand why one would require an external pump for pressure, unless the system to provide more pressure than the stock pump was capable of. Obviously, I'm quite new to the world of dry sumps and am still researching/learning.

 

toedrag,

 

I should have the install finished up in a day or two. :smash: However, other than purging the accumulator, I won't have any real opportunity to properly test the system until I get the car back out on a track. I'm planning on NJMP in July. Not sure if I'll be able to squeeze in another Cresson event before then. :cheers:

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toedrag,

 

I should have the install finished up in a day or two. :smash: However, other than purging the accumulator, I won't have any real opportunity to properly test the system until I get the car back out on a track. I'm planning on NJMP in July. Not sure if I'll be able to squeeze in another Cresson event before then. :cheers:

 

Sounds good!

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The Accusump install is complete. :smash: I've placed a link to the install in the Stalker #85 headed back to Arkansas thread under Member Rides.

 

FWIW, here is a link since it's been discussed in this thread. :cheers:

 

 

http://www471.pair.com/stalkerv/gallery2/main.php?g2_itemId=25339

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I was just pointing out that people often. Ale their cars slower when using non-oem intakes. For us kit car peeps, we simply must use the same logic that manufacturers use.

 

 

Manshoon11,

 

Went back and reread my post; it did sound condescending. My apologies and thanks for your input. :cheers:

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The Accusump install is complete. :smash:

 

This week, I tested Accusump operation for the first time and all went pretty much as expected. Testing consisted of:

 

a) the accumulator’s ability to ‘rapid fill’,

 

b) the accumulator’s ability to pre-oil the engine, and

 

c) a drive of about 30 miles to ensure no leaks.

 

During a cold start (oil temperature at ambient) the oil pressure of my LS6 is 55-60 psi at idle. After warm up, idle oil pressure is approximately 50 psi. With an engine oil pressure of 50 psi and an accumulator pre-charge of 10 psi, the accumulator filled with approximately 2.5 qts. During accumulator engine oiling (engine off/simulated loss of oil pressure below 35-40 psi), the Accusump system kept the 20 psi low oil pressure warning light out for approximately 58 seconds. Rapid refilling of the accumulator back to 50 psi took around 8 seconds. While I'm satisfied with the results, the ultimate test will be on track.

 

. . . . . . :lurk:

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  • 4 months later...

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