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#26 |
Registered User
Join Date: Oct 2003
Location: Carmichael, California
Posts: 3,006
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Re: holley 650 dp on 383
Look up the Quick Fuel Slayer 750cfm vacuum secondary carb. If you don't want the qjet I'd go with this carb. Similar to the 3310 but more adjustable.
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Anthony |
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#27 |
Registered User
Join Date: Sep 2015
Location: Toronto
Posts: 24
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Re: holley 650 dp on 383
Is this the one or the 600 ?
http://www.ebay.ca/itm/Quick-Fuel-Sl...cd4076&vxp=mtr |
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#28 | |
Registered User
Join Date: Oct 2003
Location: Carmichael, California
Posts: 3,006
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Re: holley 650 dp on 383
Quote:
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Anthony |
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#29 | |
Senior Member
![]() Join Date: Jul 2000
Location: North Texas
Posts: 3,486
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Re: holley 650 dp on 383
Quote:
BTW, back around 2002 I ran a 650 VC Holley modified by QFT on a mild 383 with a Crane cam (210/210; .470"/.470" lift with 1.6 rockers), Dart 180 heads, and Performer RPM intake. It worked well and let the engine rev to 5800 RPM or so, which was 600 RPM higher than with a Performer 2101 and Edelbrock 600 carb. However, I probably didn't rev it that high more than twice! To me the beauty of a 383 is low- and mid-range torque. So you don't have to rev it as much as a 350 to go fast.
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Mike 1969 C10 LWB -- owned for 35 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. 1982 C10 SWB -- sold 1981 C10 Silverado LWB -- sold, but wish I still had it! 1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming. Retired as a factory automation products salesman. Worked part-time over the years for an engine builder and a classic car repair shop. Member here for 24 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then! |
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#30 | |
Registered User
Join Date: Oct 2003
Location: Carmichael, California
Posts: 3,006
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Re: holley 650 dp on 383
Quote:
A 600 cfm carb will starve a 383 if it`s anything more than stock and you are trying to rev it, and 5800rpms isnt high. It all depends on how the engine is built as to what rpm it will need to turn. The same cam in a 350 and a 383 will have 2 different power bands. The bigger engine will be done sooner.
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Anthony |
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