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Upgrading Racors and Ethanol

S

Sportsman

Member
Crusader came out a while back with a statement about ethanol. They suggested installing the large 10 micron Racor type water separators and bypassing the Oberg (hockey pucks) filters and the smaller Racors that are mounted on the engine near the obergs, pre-fuel pump. Has anyone done this? Sounds better for water separating and can mount on back wall for easier access to drain. These other 2 are a bitch to get to also on the port engine...

I have cleaned the Obergs and changed/drained small Racors many times in my troubleshooting on other thread (Power Loss). I did have a lot of bad or at least overtreated gas in my 450 gal tank...Not saying this would cure anything, but it is one thing I haven't done yet. I also have a drained tank with fresh 200 gal trying to beat this gremlin, and was thinking might be good time to do this.

The rep at Crusader (Pleasurecraft) I have been emailing with, likes the Obergs, and thinks they do well, but I have never found anything substantial in them when cleaning the screen out. I do like the idea of the larger Racors for ethanol, too.

Thoughts?

B
 
From my experience, a 10 micron separator is WAY too restrictive. (I prefer 25 to 30 micron.) All it takes is a tank of dirty gas from some marina and that sucker will plug, starving the motor for fuel. The filter AFTER the fuel pump needs to be 10 micron, to protect the carb (or injectors).

Jeff

PS: I'm surprised that Crusader recommends such a set up, but they still use single weight oil so...
 
have you read the crusader statement...i found one from 2006 that talks about adding a high flow rate 10 micron filter but doesn't say anything about bypassing the Obergs...

I believe their desired effect is to trap the crud that the ethanol frees due to its solvent like behavior...the added filter wont do anything if the fuel in the tank is already degraded...
 
Below is from the Crusader bulletin. I guess it its referring to the small racors on eng, not the obergs. Thought I read somewhere back that the larger racors should bypass both...



[COLOR=rgb(13.725000%, 12.157000%, 12.549000%)]Please see the attached Product Information Update regarding Ethanol blended fuel. As the product updatenotes, it is acceptable to use ethanol blended fuel (E-10) in Crusader engines. However, please note therecommendations below regarding fuel stabilization and fuel filtration.[/COLOR]

  1. Most OEM Boat Manufacturers will be installing a fuel filter (Crusader part# RA080033) with enginesmanufactured after 1/1/07.
  2. The replacement element for these filters (Crusader part# R080033) should be added to dealerinventory as there will be wide spread usage of this filter.
  3. TheRA080033filterassemblymeetsandexceedstherecommendationsintheproductupdate.
  4. The RA080033 filter assembly should be installed with the repower engines manufactured after1/1/07. Most engines manufactured prior to 1/1/07 have a small in-line filter mounted just before thefuel pump. For best results with ethanol blended fuels, the in-line filter should be removed and theRA080033 filter should be installed, per the product update.
  5. Crusader customers should be urged to use a commercially available fuel stabilizer, such as STA-BILwhen storing ethanol blended fuel for more than two weeks.
 
Don't know about ethanol but those Obergs work great on Mexican gasoline (full of bugs).

CaboJohn Oberg.jpg
 
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