44 IDF help
03-25-10, 07:36 PM
#1
44 IDF help
Well, since I'm stalled on my 48 DHLA, I'm going to start working on my other setup till I get it worked out. I've got an IDF manifold for a 12a and a 44 IDF to go on it. Now before everyone starts telling me I need an IDA etc., etc., etc., The IDA is on the list, but right now I already have the IDF. Sooooo ...... The carb was supposedly jetted for a stock port 12a, but who knows if it even ran or ran well. My first ? is - Would using the same jetting as I am on my 45 dcoe be a good baseline for the 44 IDF? My motor has a large street port. I realise I'm not going to get the top end on the IDF I can from my dcoe, but the diameter is close and the chokes are too. If anyone here actually has experience with this setup, I'd appreciate some pointers, maybe a known workable baseline.
Last edited by installer67; 03-25-10 at 07:38 PM.
03-26-10, 01:15 PM
#2
Well, since I'm stalled on my 48 DHLA, I'm going to start working on my other setup till I get it worked out. I've got an IDF manifold for a 12a and a 44 IDF to go on it. Now before everyone starts telling me I need an IDA etc., etc., etc., The IDA is on the list, but right now I already have the IDF. Sooooo ...... The carb was supposedly jetted for a stock port 12a, but who knows if it even ran or ran well. My first ? is - Would using the same jetting as I am on my 45 dcoe be a good baseline for the 44 IDF? My motor has a large street port. I realise I'm not going to get the top end on the IDF I can from my dcoe, but the diameter is close and the chokes are too. If anyone here actually has experience with this setup, I'd appreciate some pointers, maybe a known workable baseline.
03-28-10, 10:29 PM
#6
i really have no idea, the carb was given to me from a guy who use to race GT3 in SCCA. And i haven't touched it because it's just flawless.
As far as idle jets go, you should be fine just getting the idle mixture itself right with your idle mixture screws.
hmm... i think it has 40mm chokes, but i'm not sure, they're quite massive thought. I make NO bottom end power whatsover. (and i dont think that's only due do to my massive ports either)
You should be fine, i wouldn't overthink anything. You shouldn't have to, the weber carb is just an amazing carb. Especially the IDF, it's no different then the IDA, it's only more streetable..
As far as idle jets go, you should be fine just getting the idle mixture itself right with your idle mixture screws.
hmm... i think it has 40mm chokes, but i'm not sure, they're quite massive thought. I make NO bottom end power whatsover. (and i dont think that's only due do to my massive ports either)
You should be fine, i wouldn't overthink anything. You shouldn't have to, the weber carb is just an amazing carb. Especially the IDF, it's no different then the IDA, it's only more streetable..
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