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single 45 DCOE on a Lynx mani, about to throw in the towel!

inquisitive

By inquisitive,
in BMW 2002 and other '02

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kbmb02
kbmb02

I believe a 38/38 is enough; for example, here's one, on a 12.5:1 C/R engine with a 304 camshaft. (my apologies for posting this in duplication ...sometimes video demonstrates more than a signatu

Harv
Harv

That bog that you're experiencing is either one of two things. It's either the carb going lean, or the carb going way rich. The smaller the Venturi, the more fuel is sucked through the main jet sooner

inquisitive
inquisitive

I am running a single 45 DCOE on a Lynx manifold and I am thinking this is more of a tinker toy than I want/need(?) to deal with.    No one in the Bay Area wants to touch it and every shop I

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abrokenframe Collaborator

abrokenframe

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2 minutes ago, Chris_B said:

Ryan, do you have any idle jet inventory? You might want to try some 55 or 60F9 jets.

 

I wish! This is my first DCOE. Moving to an F9 was my first idea before getting tangled up with progression hole research. I'll order some up right now. Any recommendations for other jets that I can add to the order?

 

-Ryan 

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Chris_B Grand Master

Chris_B

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Not really. You may find when you can do full WOT testing that your mixture is leaning out as you approach redline and you will need to tweak your main jet circuit, but no way to know until you have AFR data for 4K rpms to redline.

Chris B.

'73 ex-Malaga

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TobyB Grand Master

TobyB

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throttle almost closed (not covering the progression hole at all), bleeders slightly open, and a verrry rich idle (11.5-12).

Kinda sounds like you have an air leak somewhere, honestly.....

 

t

 

"I learn best through painful, expensive experience, so I feel like I've gotten my money's worth." MattL

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