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Old 01-21-2009, 11:15 AM
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dlampe dlampe is offline
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Join Date: May 2004
Location: centralia, IL
Cobra Make, Engine: B&B cobra (sold), Hurricane HMS1002 (sold), Kirkham 289 FIA, (sold) RCR GT 40(sold) SPF GT40 2122(sold) Hurricane HMS2002, (sold) RCR SLC (sold) GTR on the way!
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Sorry, I am just catching up with this thread. The point I want to make is that I don't spend a lot of time at WOT, although I do spend a lot of accelerating to that point then back down then up again etc. I ran the Weber's on the track and they felt good. Rodknock is right, they were tuned pretty good. I want to say that this is not up for debate. This is fact as it relates to MY car. The Weber's with 40mm chokes couldn't keep up with my engine over about 5200rpms. I switched to 45mm chokes and I lost everything under 4000. Thats not good coming out of a tight corner but it really ran on the top end. In that case, the Weber's probably gave me everything the EFI did at high rpms. You just couldn't drive on the street or at low rpms. The FACT is that a 48 IDA doesn't have the range needed to function at optimum levels with moderate to large cubic inch engines at all rpms from 0 to 8000. The Weber's had almost identical numbers up to 5000 rpms as the EFI but that is were the EFI kept climbing and the Weber's died. In the end, they look identical and run smoother with more range. A four barrel isn't part of my option list. As for cost, The Weber's made in Mexico with manifold are about $3000 plus a few sets of chokes at $30 bucks each (you need 8 at a time), emulsion tubes at $17 each and every jet change takes 8 at between $8 and $12 each and there are at least 32 jets in the set up. The price isn't that different.
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