| Author |
Message |
    
chris kumerow
New member
Username: luhrs
Post Number: 1
Registered: 04-2008
| | Posted on Sunday, April 27, 2008 - 08:00 pm: | 
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I want to change my carters to edelbrocks.I have twin 318s.I belive the carters are 500s are the 600 edelbrocks ok? How do I change from the mechanical choke to electric?
Thanks |
Fastjeff
Senior Member
Username: fastjeff
Post Number: 4336
Registered: 09-2003
| | Posted on Monday, April 28, 2008 - 07:13 am: |
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Get the smaller one, the 600 MARINE carb. You'll need to find a 12 volt source that is ON with the ignition is ON to operate the chokes. Also, your flame arrestors will be too small in diameter to fit these carbs. Being a Cheapskate, I enlarged mine with a pencil grinder until it fit, but 'normal' people spring for new ones. THe throttle linkage works fine, but you'll need to drill and tap the body of the carb,, in front, for a vacuum fitting to operate the PVC valve--easier than it sounds. Use an 1/8 NPT pipe fitting with a 3/8 hose barb on the other end.
Jeff |
Carl Budde
Member
Username: penn_yan_lover
Post Number: 9
Registered: 07-2007
| | Posted on Monday, April 28, 2008 - 12:15 pm: |
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Hey Jeff,
I'm changing to an Edelbrock on my 318 as well and was wondering if you could possibly take a pictue of the location on the front of the carb where the fitting should go? Thanks.
Carl |
Conqueror
Member
Username: 300hb
Post Number: 16
Registered: 03-2008
| | Posted on Monday, April 28, 2008 - 08:21 pm: |
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Why would he need to have a PVC hook up...? |
eddie zuskin
Member
Username: ezuskin
Post Number: 4
Registered: 04-2008
| | Posted on Monday, April 28, 2008 - 11:38 pm: |
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I just finished switching the Carters to 750 Marine Edelbrocks on my M440/330hp motors. My "only" changes were the fuel inlets were on the opposite side of the carb from the Carters. My marina mechanic was in a good mood and told me to make a pattern with a coat hanger, buy some copper line and he bent and flared it for me. I guess it was the $2000 worth of work he did on my Searay this past winter.
I did need to cobble together a reducer adapter for the PCV outlet, the Edelbrock was a smaller fitting.
The motors started right up with 5 pumps on the throttle handle without the chokes wired up. I'm glad I ran back to check things out right away because fuel was gushing out of the inline filters that weren't tight enough. Mechanic says I can use the live side of the coil for the choke power but someone on one of the lists questioned that being a suitable power source. YMMV
Eddie Zuskin
82 Carver 33 Mariner Project
87 Searay 250 Sundancer, completed project? |
will c
Visitor
| | Posted on Tuesday, April 29, 2008 - 12:47 am: |
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is the coil uses a resistor it wont be getting a fll 12 volts but if not or if you wire it befire the resistor it would work. |
Fastjeff
Senior Member
Username: fastjeff
Post Number: 4344
Registered: 09-2003
| | Posted on Tuesday, April 29, 2008 - 06:37 am: |
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Will is correct, and that's not what the ECM needs to be handling in any case.
Why a PCV setup? It removes moisture from the oil so acid does not form (as quickly). If you want a motor clogged with sludge--think of that funny TV commercial--then don't bother hitching it up.
Where to drill... There's a cast-in hole in the front of the carb that only needs to be drilled. Use a tap drill for an 1/8 inch NPT, then tap it out. Easier to do than to describe!
Jeff |
Conqueror
Member
Username: 300hb
Post Number: 17
Registered: 03-2008
| | Posted on Tuesday, April 29, 2008 - 07:25 pm: |
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Oh...I thought they were just for emissions. Some marine AFB's I've seen have them and some don't. |
Fastjeff
Senior Member
Username: fastjeff
Post Number: 4353
Registered: 09-2003
| | Posted on Tuesday, April 29, 2008 - 09:10 pm: |
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All of them should since this is a marine environment--much worse than in a car.
Jeff |
Joe Singleton
Visitor
| | Posted on Wednesday, April 30, 2008 - 07:01 pm: |
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I need to replace Edelbrock auto carburetors with marine carburetors on a Trojan 34' houseboat with Chrysler 318's. How do I determine what carburetors I need? Another nearby boat with Chrysler M225 engines appears to have Carter carbs. Casting # is 946998, tag # 469981709. |
chris kumerow
New member
Username: luhrs
Post Number: 2
Registered: 04-2008
| | Posted on Wednesday, April 30, 2008 - 07:54 pm: |
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You want the edelbrock model 1409 marine carb the 600.I got mine from jegs.com free 2 day shipping and best price I could find. |
chris kumerow
New member
Username: luhrs
Post Number: 3
Registered: 04-2008
| | Posted on Wednesday, April 30, 2008 - 08:15 pm: |
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Hey jeff,I got my carbs today and there is a hole in the casting on both sides of the carb.Can I use either one for the pcv?One has to be drilled from the bottom and is between the two idle screws the other has to be drilled from the side and is on the back side. |
Fastjeff
Senior Member
Username: fastjeff
Post Number: 4364
Registered: 09-2003
| | Posted on Friday, May 02, 2008 - 04:23 pm: |
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Either one will work. I used the front one since that's where the hose was.
Jeff |
Captain Ed
Member
Username: captain_ed
Post Number: 20
Registered: 11-2007
| | Posted on Saturday, May 03, 2008 - 07:09 am: |
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Hi guys,
I have been looking into switching my AFB's to edelbrock 1410 on my Chrysler 440's. This is what Edelbrock suggested about the PVC hook up.
"Neither of our marine carburetors have a PCV provision. Instead of drilling the carburetor, I’d rather see you use a spacer plate with vacuum provisions, such as the ones available from TransDapt, phone# 562-921-0404. Thanks."
Ray Garcia
Technical Department
Edelbrock Corporation
Edelbrock FREE Chrome Air-Cleaner Promotion:
Mar 15 - May 1, 2008...Click here for details! |
Fastjeff
Senior Member
Username: fastjeff
Post Number: 4373
Registered: 09-2003
| | Posted on Saturday, May 03, 2008 - 09:01 am: |
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Forget about it! That spacer's a pain to find and install--al of the studs need lengthening--and the linkage can get screwed up on you.
Thanks for nothing Edelbrock! What a load of manure that recommendation is--especially when you look at their own street carb version--it's drilled and tapped on both sides for a PVC and power brakes! Wow. And they can't do that for the marine carbs as well? Sheesh!
Somebody ougthe wake those people up out there on the "left coast".
Jeff |
eddie zuskin
Member
Username: ezuskin
Post Number: 5
Registered: 04-2008
| | Posted on Saturday, May 03, 2008 - 09:39 am: |
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So what is that barbed tube near the fuel inlet? I assumed it was for the PCV connection. |
chris kumerow
Member
Username: luhrs
Post Number: 4
Registered: 04-2008
| | Posted on Saturday, May 03, 2008 - 06:29 pm: |
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(So what is that barbed tube near the fuel inlet? I assumed it was for the PCV connection.)
It is for a fuel pump vent line.
I drilled mine today it was really easy.Just drill through the hole in the casting from the bottom into the hole in the casting from the front and tap the front hole to 1/8.Get a hose barb and thread it in.Hardest part was finding the hose barb most places didnt have the 1/8 thread with the 3/8 barb finally found one at west marine. |
eddie zuskin
Member
Username: ezuskin
Post Number: 7
Registered: 04-2008
| | Posted on Saturday, May 03, 2008 - 08:09 pm: |
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How foolish do I feel. I connected it to the PCV valve. I will have to pull the carbs to make that change. What problems will I experience until I get that fixed?
Eddie |
Fastjeff
Senior Member
Username: fastjeff
Post Number: 4378
Registered: 09-2003
| | Posted on Sunday, May 04, 2008 - 07:35 pm: |
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We'll see!
Jeff |
