CV carb & intake upgrade

Well, I finally found a good used CV carb (PN 27039-92) It's got a 42 slow jet, a 160 main jet, 0140(i think) needle, & the vacuum hole in the slide appears to have been drilled. The guy I got it from said it had a "tuning kit" installed, but he didn't know which one. I found a lot of good tuning/jetting information on this site, but still have a couple questions. Got carb, intake, intake flanges, & air cleaner. Does anybody know if the intake (PN 27019-89) will bolt up to my '85 heads? Don't wanna use an adapter if I don't have to. Is there any way to tell what bike it came off of, or does that even matter? Also, does anybody recognize this air cleaner backing plate? If I use it on my bike I might need to know which filter it takes. It came with a stock Electra Glide chrome cover. Thanks everybody.

Looks like a backing plate of an early evo. Looks like parts are missing, K&N filter might work. I've got a used H-D filter kit complete off a mid 90's EVO, filter included. If your interested PM (private message) me.
check out this site.
CV Carburetor

Carb jetting could be California jetting....45 slow 185 main was stock on my '90. The manifold will bolt up fine and is a good upgrade from your 85 one with the compliance fittings, the backing plate looks like the older SE type, a K&N filter will work for that, just find a K&N for Evo SE breather kit. If you don't have the backing plate mounting hardware for your bottom breathing 85 you can get it from J&P Cycles(pg 459 in their '09 book, part #401-129)
If the slide was drilled prolly had a dyno junk kit in it, get rid of that, if you use a stock spring in the slide, it may not hunt or surge on you.
Hope this helps a bit:devil:

Thanks for the info. When I get it all together I'll let ya know how it works out.

One more dumb question for you CV gurus out there... Since my slide has been drilled, how 'bout if i fill in the hole with epoxy & redrill it to the proper size? Anybody know what size the hole is supposed to be?

No guru here, but if the slide was drilled there was prolly a lighter, shorter slide spring put in too(Dyno junk kit).First off I'd get a new stock spring and try it out, if you don't get any "hunting" or surging, you should be OK.
I don't think you could fill it and redrill it, but someone more in the know might be able to help you out.

Thanks guys. I think I'll try a stock spring & sportster needle first to see what happens. I can always buy a new slide if it doesn't work. Don't wanna spend money if I don't have to, ya know. And thanks for talkin me out of JB Weld-ing the hole shut chucktx, that might not be one of my brightest ideas...

In the older dyna jet kits they drilled out for the slide and put in a lighter spring so it would lift quicker in hopes of getting rid of that cough or stumble while starting to accelerate

I'm not really into high performance anymore. I just want snappier throttle response, faster warm-ups, easier to kick start in front of a bunch of rice riders, etc. I was gonna do the carb upgrade over the winter, but now I'm gettin anxious to see how it works out. Hopefully this weekend I can get to it. If the weathers not too crappy I'll be ridin instead of wrenchin though. I'll let you know how the drilled slide & stock spring works.

Keep us posted....a 42 slow jet is prolly a bit too lean for an 80"er especially with a SE Breather and pipes, if it was a dyno jet kit installed the stock CV jets won't fit(different thread pattern) Going back to stock CV jets and emulsion tube is the best way to go and I'd start with a 45 slow and 185 main, which was stock on my '90....42 slow and 165 main was stock on Cali models according to my 85-90 SM.

Went to the HD store yesterday- got a stock spring, sportster needle, 45 slow jet, intake seals, etc. Recently switched pipes to a Paughco 2-1 header with a long ass un-baffled fishtail, that's gonna make a difference in jetting too. On the stock butterfly carb, all I changed was a high volume accel pump & adjustable main jet. Left the stock slow jet in & richened up the idle mixture. Hopefully get the CV on this weekend & I'll let ya know how it works.

Didn't have time to put the carb & intake on, but I did get the carb apart & cleaned. The emulsion tube & main jet seems to be non-stock, must be a dynojet kit. I might have been better off to order the CVP kit, but I want to start with stock parts & go from there. Still waitin on the carb support bracket from Fog Hollow. That air cleaner is indeed an early Evo SE unit, and it is missing some parts, so I gotta have the aftermarket bracket. Also, the plastic fuel fitting was cracked so I got a new brass one. Getting the old one out was no problem, are there any tricks to putting the new one in? Do I need to warm up the aluminum , or just tap the new fitting in? Don't want any leaks, and there's no substitute for experience... Thanks guys.

The best advice I got on this forum was to put the new brass fuel fitting in the freezer for a few hours then it slides in with a little bit of a tap with a hammer if your fast. Make sure you know which way you want it pointed.

Do both....freeze the fitting and warm the aluminum it'll make it a lot easier to install. Like Tom said have the fitting pointed in the direction you want it facing, once you tap it in....its in.

Thanks for the tip. Sounds so easy even a biker could do it. Hopefully have time to wrench on the bike this weekend. I'll let ya know how it runs.

Got the fuel fitting in ok. Is there supposed to be a check ball in the accelerator pump somewhere? I checked the pump before I put the carb together & it seems to suck backwards through the squirter when I let off.
Thanks again.