Duntov 30-30 camshaft specs
WebMay 28, 2024 · The legendary Duntov SBC solid lifter cam was referred to as the 30-30 cam because that was the cold valve lash spec, .30" on both intake and exhaust valves. … WebMar 11, 2013 · Dec 2, 2009. #8. You guys are mixing cams here, if not metaphors. The "Duntov" cam was the 3736097 (cast 3736098) solid lifter cam used in the 57-63 Corvettes and the cars with the solid lifter Corvette engine. The 30-30 cam 3849346 (cast 3849347) came out in 64 and was the chevy sb solid lifter Corvette and 302 Z-28 cam until the LT …
Duntov 30-30 camshaft specs
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WebJul 16, 2024 · Comp Cams Extreme solid flat tappet cams #12-676-4 and #12-677-4 You can google these for specs. All these cams will outperform the OEM 097 cam in your lil 325 cid sbc. These are all street solids. Must use correct springs Must use a motor oil with zinc and a hair of moly in it for best cam- lifter life. Again can play with rocker ratio for effect. WebAug 2, 2014 · I believe the duration at .050" lift for the 30-30 cam is around 225º or so. With the long gentle ramps it has (it has 300º+ seat duration), it will rev very high without valve float even with a stock 85 pound on the seat spring. And excessive wear is not a problem.
WebAug 1, 2006 · Standard 302 (30-30) cam, P/N 3849346 Casting #3849347 254 duration @ .050" (intake & exhaust).485" lift (with 1.5 rockers) 114 deg. lobe separation Exhaust … WebNov 1, 2013 · Bigger 2.02 valves weren't used until 1964. 340 HP engines had forged small dome pistons (about 11.25 to 1). The 340HP engines were the same as the 360HP engines except for the carburetor versus fuel injection. The 30-30 solid lifter camshaft was first available in 1964 with the bigger valve engines.
WebRough idle, near duplicate of the famous Duntov 30-30, cam (GM #3849346). In Stock: $179.95. HRC117422-12: Howards Cams, American Muscle Mechanical Flat Tappet Camshaft, Chevy Small Block, 257/269 @ .050, .495/.515 112 LS: Chevrolet Small Block 262-400 Cam Series: American Muscle Webclearance specs may also assume the published 1.5:1 Chevrolet rocker arm ratio (which only exists at full-open position, if at all). Check with the cam manufacturer’s Tech line to …
WebCam Style: Mechanical Flat Tappet Basic RPM Range: 2200-5400 Manufacturers Description: 327-365HP/Z28, Duntov 30-30 (GM #3849346). Intake Duration @ .050": 254 Exhaust Duration @ .050": 254 Advertised Intake Duration (@ .006"): 314 Advertised Exhaust Duration (@ .006"): 314 Intake Valve Lift with OE Rocker Ratio (1.50): .485"
WebOriginal style 1964-1965 327/365 & 375hp solid lifter camshaft. Often referred to as the Duntov "30-30" design. All camshafts meet original Corvette specifications. Made in … can chiggers live inside your houseWebOct 18, 2024 · Joined Nov 14, 2008. 7,195 Posts. #6 · Dec 7, 2010 (Edited) I had my machine shop guy order 1 last week from Sealed Power CS113R its a solid replacement for 57-61 hipo 283 for $88. The cam card shows specs for 1.5 or 1.6 rockers. I have not picked it up yet, plan on going there today. mr55/56. can chiggers spread over bodyWebJul 29, 2006 · Re: anyone found that moderns cams work better with stock OE exhaust manifolds. i agree, i was expecting to pick up serious torque though. the Duntov 30-30 is a high rpm cam and itrs hard to beat that thing from 4000-7000 in a small motor. but i was expecting this new cam to make much more torque down low, but it simply doesn't.... can chiggers live in your homeWebApr 10, 2024 · I did great with a 30-30 camshaft and GM edge orifice solid lifters. I was running AHRA F1-D/MP in a 1959 Chevrolet Impala, B-W T-10 4-speed, 327 CI, Hedman tri-y headers, Crane valve springs, 1967 FI heads by the late Joe Mondello, 3-2 bbl Rochester carburetors, 4.56:1 posi with 8.00x15 Atlas Buchrons. I won my class in the 1968 AHRA … can chihuahua be shaved downWebFeb 5, 2008 · Go with the 30-30 it'll run very well in the 350 The compression with the proper quench of .040"-ish will be much better than a thick gasket and quench with the slightly lower compression. 10 gallons of 93 octane premium, and 2 gallons of 101 or 110 race fuel is way more than enough octane. Feb 5, 2008 #9 fmarullo Veteran Member Mar 29, … can chiggers live on furnitureWeb1966 chevelle project 1969 355ciSteel crank/scat rods12-1 pistons291 heads 2.02/1.6030 30 duntov camHarland sharp roller rockersVictor jr intake with holley ... can chiggers live on your furnitureWebFeb 3, 2024 · While the 30-30 cam does use recommended lash settings upward of .030-inch for both intake and exhaust, the Duntov camshaft uses a much tighter recommended lash of 0.012-inch and 0.018-inch for … can chiggers spread in the house