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> ME vs. Dellorto: I WIN! +advice, 36's suck!
914ghost
post Dec 30 2003, 04:59 PM
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BOB
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Joined: 25-November 03
From: Wenatchee Washington
Member No.: 1,387



I've been wrestling with a set of 40 DRLA's I bought off Ebay from ALFA1750 a couple months (seems like years) ago.
first: He's First Rate! I would definitely buy from him again- After I got the carbs he even boxed up and sent me different venturis, jets, and gaskets for practically nothing! AND emailed me several times with advice on getting these right.
Anyhow, the carbs are in very good condition, but had a problem running- VERY bad backfiring, no power from one carb...etc etc... AFTER installing 34mm vents/135 mains/.2 emulsion/55pump jets/60 Idles AND replacing the bent mixture screw and o-rings to the 2ndary vents I eventually pulled out the plugs that HIDE the air-correction screw. Turned the screw OUT 1/2 turn- whammo! I guess that was it. Back on the road sand this thing rips!
If anyone ever has a chance, my vote is UPGRADE from 36mm dell's to the 40's- VERY big difference. Also a decent difference from 30mm vents to 34mm.
I had to pick the brains of some experts out there and want to say thanks too!
Regards,
Robert O


P.s. 914's RULE in the snow! If only it was this slick out in the summer!!


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914ghost
post Dec 30 2003, 06:03 PM
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BOB
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Group: Members
Posts: 406
Joined: 25-November 03
From: Wenatchee Washington
Member No.: 1,387



I will send a picture next time I take the carbs off...(hopefully never!), My 36's have the 7mm nut/screw setup, but the 40's came with freeze plugs where the screws SHOULD have been. I was told the screws are factory set and they dont want you messing wid'em.
I figure the carbs originally came off a Fiat or (were they downdraft?) ...?

And I dont mean 36's suck, theyre great on my VW truck, but the 40's (w/34mm vents) are a surprisingly big improvement, its rev's real REAL smooth up past 6000 rpm- I honestly think I can hear the cam now at Idle- I may not need to tear the engine down to swap the cam. I think its already been done.
I hope I dont jinx myself w/ all the happiness!
R O
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