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INEEDAIR Samba Member
Joined: November 03, 2020 Posts: 10 Location: new york 11542
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Posted: Fri Oct 15, 2021 9:21 am Post subject: Weber jet question |
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I need some advice on where to start. I have a 2332 bug with WEBER dual 48 IDF's. It's jetted for a much higher altitude than I am. I purchased the car from Colorado and now it's on Long Island. Basically at sea level. It's way to rich. It currently has 140 mains, 185 air corrections and 50 idle jets.
Zero bog or stumble. Just a sooty tailpipe. I'm thinking on going to a 190-195 air and a 130 or 135 main and leaving the idles at 50. Suggestions??
Thank you. |
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volksworld Samba Member
Joined: November 26, 2011 Posts: 2529 Location: formerly NY currently NC
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Posted: Fri Oct 15, 2021 9:42 am Post subject: Re: Weber jet question |
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ok just for starters colorado jetting would be much leaner than long island...density of air decreases the higher you go...so fewer 02 molecules per volume requires fewer gas molecules ....so if it is actually too rich(check with wideband etc) i'd first be looking for fuel pressure too high, floats that have become "waterlogged" and are floating too low, dirt that got down the jet stack and clogged the air correction jet etc....its been about 40 years but i think i ran about 160 in the 48's in my race car |
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INEEDAIR Samba Member
Joined: November 03, 2020 Posts: 10 Location: new york 11542
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Posted: Fri Oct 15, 2021 10:25 am Post subject: Re: Weber jet question |
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Fuel pump pressure is 3 psi. Both carbs have new orig floats, needles and seats set to 11 mm. |
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Starbucket Samba Member
Joined: April 30, 2007 Posts: 4025 Location: WA
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Posted: Fri Oct 15, 2021 1:49 pm Post subject: Re: Weber jet question |
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Post in the Performance Forum you will meet folks with set-ups like yours. I would buy a set of numbered drills and buy the 130's and drill as needed until you find the sweet spot. |
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INEEDAIR Samba Member
Joined: November 03, 2020 Posts: 10 Location: new york 11542
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Posted: Fri Oct 15, 2021 3:40 pm Post subject: Re: Weber jet question |
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Thanks- I will post there. |
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