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Rank: Dedicated Tin Star
Groups: Member
Joined: 9/11/2008
Posts: 99
Points: 109
Location: mebane,nc
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have to deside what carb to use .
i have an 84 set up with an angle plate and a quadtrajet.that i think is ok.but it won't match the other motor .
i also have a 70's set up with an afb and the angle bilt in the manifold "matchs the port engine".i have not ran the afb .but see them cheap on ebay all the time .but you don't know if there any good eather.
ps .jeff i know you will say a new e b.but my wallet is to light for that this year.
tim
72 32' express
"http://www.theboaters.com/boats/Powerboat_Express_Cruiser_marinette_1972_anticipation"
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Please Register : New members may not post until approved. An email is sent after approval. We do this to reduce those who use these forums for spamming.
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Rank: Top Rank Aluminum Star
Groups: Administration
, Member
Joined: 12/5/2007
Posts: 981
Points: 1,793
Location: New Tripoli, PA
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A GOOD Quadra Jet is hard to beat. Getting them rebuilt by a competant rebuilder would be my recommendation. Should they not be rebuildable, then an Edelbrock 1409 marine carb is your best choice. They now sell them with an adapter for that unique Quadra Jet configuration. Jeff PS: Just don't buy a used Edelbrock that looks like this one. Note the lead slug mistakenly left in the idle passage (one of two locations). No wonder I couldn't get that sucker to run right!
Fastjeff attached the following image(s):
I'm STILL waiting for my bailout!
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Rank: Dedicated Tin Star
Groups: Member
Joined: 9/11/2008
Posts: 99
Points: 109
Location: mebane,nc
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jeff ,would you try the 72 carter afb that matches the other one .or the 84 rochester quad .i wonder about throttle responce on diffrent type carbs. also found this reducer in the intake to water pump connector hose don't know if it came off the fresh water system of the raw system .going to use the fresh i guess ill put it in if no one says deffirent. tim
old32 attached the following image(s):
72 32' express "http://www.theboaters.com/boats/Powerboat_Express_Cruiser_marinette_1972_anticipation"
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Rank: Top Rank Aluminum Star
Groups: Administration
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Joined: 12/5/2007
Posts: 981
Points: 1,793
Location: New Tripoli, PA
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The Carter AFBs have an aluminum body that weeps gas after a few decades. This resembles flooding, but it can NOT be cured. The advent of "evil-nol" gas just makes this problem worse, so I'd toss the AFB. The Quadra Jet uses a pot metal body that's far better.
Assuming you have a twin engined boat (sorry; got lost), then you want identical everything. If not, the throttles will be all over the place and drive you nuts!
That restriction is, I believe, necessary with the dual pocket, raw water pump system AND a raw water cooled motor. I theorized that such a restriction had to be there, so I guess that's it.
Jeff
I'm STILL waiting for my bailout!
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Rank: Dedicated Tin Star
Groups: Member
Joined: 9/11/2008
Posts: 99
Points: 109
Location: mebane,nc
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thanks jeff
i'll stick with the afb untill i can get a set.
so i should leave it out for a fresh system.
tim
72 32' express
"http://www.theboaters.com/boats/Powerboat_Express_Cruiser_marinette_1972_anticipation"
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Rank: Top Rank Aluminum Star
Groups: Member
Joined: 12/10/2007
Posts: 185
Points: 567
Location: Lake Michigan
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Jeff:
Don't you see? That lead slug is the poor man's lead additive and fuel economizer.
Peter
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Rank: Top Rank Aluminum Star
Groups: Administration
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Joined: 12/5/2007
Posts: 981
Points: 1,793
Location: New Tripoli, PA
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Ah hah, hah! Edelbrock tech rep claim that's normal for their carbs, and that I shoved that piece of lead down from above when I drilled out the plug. So I still haven't found a reason for the horrendous off idle stumble that carb exhibits. Spring 09 project, I guess.
Jeff
I'm STILL waiting for my bailout!
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