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Dellorto Carbs & Tuning
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mergedown
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Joined: March 13, 2016
Posts: 290
Location: Columbus, OH
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PostPosted: Sun Jun 24, 2018 5:52 am    Post subject: Dellorto Carbs & Tuning Reply with quote

I own a 78 Beetle that Iíve done a decent about of work to over the last couple of years. A buddy of mine just bought a 73 Thing from Bring a Trailer. I took it for a drive last night and it lacks power under load until it hits a certain RPM. My guess is that itís running too rich.

Here is a description of his motor:
The stock Type K air-cooled 1,600cc dual port engine was stroked to 1,956cc by Morris Race Engines. The following modifications and upgrades were completed prior to 2015:

Forged 76 crank and 90.5 pistons
Flycut CB 4140 racing heads for 9.5:1 compression ratio
Dual HD 650 high-rev springs
CB 2213 camshaft
12.5-pound flywheel
Rebuilt/re-jetted double-barrel Dellorto 40 DLRA carburetors
Full-flow oil sytem with remote filter and deep-sump pan

What/where is the best resource for learning how to tune the carbs so itís not running rich, and what else could be causing this?

Hereís a link to the auction with photos and more description of the car.

https://bringatrailer.com/listing/1973-volkswagen-181-2/

Thanks!
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1978 Convertible Fuel Injected - Blue (originally white...wait...maybe red?)
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63single
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Joined: May 02, 2004
Posts: 115
Location: west coast of fla.
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PostPosted: Sun Jun 24, 2018 3:56 pm    Post subject: Re: Dellorto Carbs & Tuning Reply with quote

I'm sure this thread will cover the tuning for you. It has a lot of info.

https://www.thesamba.com/vw/forum/viewtopic.php?t=...mp;start=0
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mergedown
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Joined: March 13, 2016
Posts: 290
Location: Columbus, OH
mergedown is offline 

PostPosted: Mon Jun 25, 2018 6:42 am    Post subject: Re: Dellorto Carbs & Tuning Reply with quote

63single wrote:
I'm sure this thread will cover the tuning for you. It has a lot of info.

https://www.thesamba.com/vw/forum/viewtopic.php?t=...mp;start=0


Thank you!
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