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CJM Twin pump Install pix!!!

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Old 12-26-2007, 07:33 PM
  #21  
kevinapex
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Completed pump installation and line termination
#16
Attached Thumbnails CJM Twin pump Install pix!!!-16.jpg  
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Old 12-26-2007, 07:39 PM
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tig488
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ooooooooooh purdy!
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Old 12-26-2007, 07:40 PM
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Sorry no pix at this point but, the 2nd pump is controlled through 30amp relay with an independent ground. Charles supplied all the needed spade connectors to connect into moldex connectors. Very simple!
Kevin
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Old 12-26-2007, 07:41 PM
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kevinapex
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I have been plauged with fuel pressure issues before this point. Retune with Haltech in system to come!!!!
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Old 12-26-2007, 09:37 PM
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That pump looks sooo purtie!
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Old 12-26-2007, 09:40 PM
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kevinapex
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Burn, thanks for the help on pict. posts.!!
Kevin
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Old 12-26-2007, 10:48 PM
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looks good kevin... looking forward to seeing how everything goes during tuning!

thanks
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Old 12-27-2007, 05:06 AM
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oorx7
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Can't wait to here about tuning as well.

Nice thread BTW!
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Old 12-27-2007, 06:16 AM
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Kevin, nice "semi-writeup".. Hurry and get tuned.. When you need a host for the vids, let me know..

Ken
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Old 12-27-2007, 12:41 PM
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saw one in person at SGP...impressive. Can't wait to get mine in.
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Old 12-27-2007, 04:40 PM
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Your car has gotten just crazy perfect. I will be @ the dyno one way or another. As always, just beautiful top notch attention to detail. You seriously consider a change in profession bro!
S
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Old 12-29-2007, 04:37 AM
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are you... wearing chain mail?!!

https://my350z.com/forum/attachment....4&d=1198817386
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Old 12-29-2007, 06:07 AM
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Ha ha chain mail...You damn rockers and your Chrome Hearts "chain mail" and here's where it starts to go off topic.........
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Old 12-29-2007, 01:21 PM
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Where the 2 feed lines merge...Is that a third pump or some kind of surge tank?
What is that purple thing? (it looks a little like an in-line pump).
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Old 12-29-2007, 01:24 PM
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Originally Posted by kevinapex
Black and blue soldered to sending unit connections (center cone is the return defuser)

#7
When you say center cone are you referring to that cork looking thing? That is a diffuser? or does it cover the diffuser? Does it attach to anything?

Thank you for the pics. You definitely answered a lot of questions. Great job. Another DIY'er. A man after my own heart. Nice!
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Old 12-29-2007, 02:08 PM
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Originally Posted by rrmedicx
Where the 2 feed lines merge...Is that a third pump or some kind of surge tank?
What is that purple thing? (it looks a little like an in-line pump).
It is an inline filter
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Old 12-29-2007, 02:09 PM
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Originally Posted by rrmedicx
When you say center cone are you referring to that cork looking thing? That is a diffuser? or does it cover the diffuser? Does it attach to anything?

Thank you for the pics. You definitely answered a lot of questions. Great job. Another DIY'er. A man after my own heart. Nice!
The corkish looking piece is the diffuser. It makes the return fuel softly pour back into the canister. It looks like a running faucet when the fuel is flowing thru it on the test bench, really cool. Its purpose is to reduce cavitation.
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Old 12-29-2007, 02:23 PM
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Thanks Charles.
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Old 12-29-2007, 09:10 PM
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Great work guys. Nice to see and worth the wait. It's a very interesting design to say the least. I'm curious as to how the siphon works if the return terminates w/ a diffuser at the top of the unit. I see the holes at the bottom of the unit also...do these have something to do with the siphon? I also notice you're not using Walbro GSS342's or 341's...it's that funny one with the snap on sock filter. I hope I'm not prying into propriatary information. I just want to know how you addressed the saddle tank siphon issue.

Thanks. Great work again guys!
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Old 12-29-2007, 11:08 PM
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the pumps have integrated siphons so that a venturi on the return is no longer required. we played with the design of venturi based siphons, and with dual pumps its too sensitive to be reliable and consistent in our opinion.
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