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- Proper ignition timing for comp cams rv cam 350 chevy driver#
- Proper ignition timing for comp cams rv cam 350 chevy manual#
I put the dizzy in hook up a spark plug on #1 and battery charger to the hot and with the crank on the timing mark rotate the dizzy back and forth watching for spark. I put a big glob of hi temp wheel bearing grease (red not moly) on the lifters when I put them down the hole for cam break in partially opened secondaries on a 4 barrel will drink the gas. The 2 jet is bigger than the primaries on a 4 barrel and a carb is most efficient at or near WOT. Rochester 2 jet has a mileage advantage if your rochester 4 barrel setup or 650 edelbrock is spending alot of time just past the point where the secondaries open. Good mileage if you can keep your foot out of it. I'm also a fan of the Rochester quadrajet spreadbore Not enough for the dually but I'll use it on something. I myself have a Rochester 2jet and 2bbol intake I' won't throw away.
Proper ignition timing for comp cams rv cam 350 chevy manual#
My buddy had a 75 chevy c10 with a 3 speed manual and a 2bbl 305 that got nearly 20. I had a stock pontiac 350 that got 22 mpg with a rochester 2 jet and highway gears
Proper ignition timing for comp cams rv cam 350 chevy driver#
That elgin 350/300 horse cam I would pick for a daily driver 2 barrel econorod 550 lift on a 144 or 116 degree lobe center.īut if you work them hard they will drink the gas.
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My favorite performance cams for 1800- 6000 rpm are usually 320 degrees duration and. They make smaller cams that sound lumpy by tightening the lobe spread to increase overlap but that doesn t increase the area under the curve and it hurts mileage by sending unburned fuel out the exhaust I have not been really impressed with any performance cams until you strat getting over 300 degrees duration and over. Power pack heads and it ran as strong as a 350. I once put a CC 268h in a 305 with 283 194 I noticed ZERO difference between it and the stock cam in the GM Target tmaster engine. On disassembly it turned out I merely had some bad rocker nuts that had backed off I thought my cam went flat so I ordered a 268h comp cams kit They pulled one of the expensive kits off the shelf!īasically they sell the same timing set but at different prices depending on how you look it up I searched many applications and found 1966 chevelle ss 327 to be the cheapest AND it was adjustable for $25 !!! Oreillys had double roller timing sets with multiple keyways for around $50 and up It might be a factory RV cam as the G30 was a cutaway van RV conversion. I just made it 2 weeks on 20 gallons of gas- about 150% better than the 350 did It idles smooth as silk and has way more torque than the 350 did off idle but noticeably less upper rpm power. The 400 i don t know the specs but calculating for 1.5 rocker ratio It runs. It got 12 mpg city and highway but you put another truck in the tow dolly and it dropped to less than 4 mpg although it had bookoo power The 350 that overheated had the Edelbrock performer rpm I just installed a stock 400 from a 1977 G30 in my dually. Good low and mid-range.Įlgin, Hydraulic Flat Tappet Complete Cam Kit, Chev SB, 214/224, 288/298. 368/.398Įlgin, Hydraulic Flat Tappet Complete Cam Kit, Chev SB Thinking most about the bold onesĮlgin, Hyd. Anybody run any of these in a small cube motor? prices look good.