would these carbs be good for a type 4 2.0 build bigger crank and cam set up ,they are asking for 350.00 OBO,..Thanks
I have 40 Dellorto’s on my 2056 and think they’re a perfect set up!
That’s I believe a good deal if you’re talking about $350 for both. I paid more and had them rebuilt.
questions to ask...
what condition are they in...
do they need a rebuild...
are all parts there...etc
I dont know yet but I will ask them,..If they need rebuilt whwere is the ( Place ) to send them. Thanks Frank
Wes, Whats the largest displacement can you go with those carbs. ?? TIA,..Frank
DHLA or DRLA? DHLA are side drafts...
If we're talking Rs, then the biggest venturi for the 40 DRLA is 34mm.
However, CB Performance offers a kit to convert the DRLA to 36mm venturis and changing the design of the discharge tubes:
You can get 36mm venturi's from folks other than CB.
I did have to trim about 1mm off of them for my carbs. Apparently there are quality control issues...
That's good to know.
I converted the 40s on my racer to the CB Performance kit and they may also have some quality issues. Primarily I don't think the discharge tube is properly seating. Contacted their technical support and they never got back to me so I stopped trying.
I ran it like that last Fall a couple of times and it seems to work fine, AFRs come in OK after re-jetting, but I'm getting some inconsistencies in smoothness and light backfiring on throttle off. Gonna have Chris Foley go through them and see what he thinks.
Thanks GregAmy,.. DRLA the pic shows ,this is also a build for general street use also,.??
The 40 DRLA will suit you just fine. Make sure you grab the CB Performance book on them and double check that the jets and floats are in the ballpark. I have TONS of parts for them, so let me know if you need anything.
I found the Del book from CB lacking. Severely. Nothing at all like the Weber book.
If you want to farm the carb work out, try Blackline Racing in Murray Utah.
Thanks Guys,..which Carbs are the better ones,...weber or dellor
Visit Eurocarb for your genuine Dellorto parts. Someoneo on the forum here suggested it and I've made a few purchases through them to rebuild my DRLA 40's. There in England but ship fast and cheap to the U.S. !!!!!
I bought all of my rebuild parts and vents from this guy:
He is in Italy but he ships pretty fast. He recommended 34mm vents for my 2056 which is what I am running. My carbs came with 28's and the 34's made a huge difference.
LOL...Sorry GregAmy I just dont know carbs..but I do like these he wants 300.00 for the pair..
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