Isky 280 with 11-1 compression ratio

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Witryna25 maj 2006 · 64cc heads with flat top pistons is what I have. You will have to get your exact measurements. You can't just say .025" down in the hole and expect any kind of accurate results. Off hand, a ballpark guess is that you are between 10.5:1 and 11.5:1. Last edited by a moderator: May 25, 2006. May 25, 2006. #6. Witryna6 lip 2024 · The compression ratio drops from 9.6:1 with the 58cc chambers to 8.9:1—a loss of almost 0.75:1. That’s huge. These little motors really like compression so with a mild 292 with good …

327 compression ratio - Team Camaro Tech

Witryna19 lut 2004 · 11:1 your looking more toward race gas, your engine might run fine at idle, but above that the overlap gets less and your looking at a pinging nightmare. A driveable street engine would be more like 9.5:1 and duration at about 280, or 290 adv. max. A more useable cam would be in the 260 range. But even at 9.5:1 your looking at … Witryna22 gru 2008 · I've heard the Isky 280 is a pretty good cam my other choice would have been something from comp though, possibly a split pattern. currently restoring my '67, 327, T-10,3.73 10 bolt ... #11 · Oct 8, 2008 (Edited ... Using Pat Kelly's calculator your dynamic compression ratio is a little over 7.0:1 with the .039 gaskets and a little over … trad catholic reddit

Isky 280 Megacam idle - YouTube

WitrynaFind Isky Racing Cams Camshafts 280 int./280 exh. Advertised Duration and get Free Shipping on Orders Over $109 at Summit Racing! ... $100-$250 (11) $250-$500 (1) … Witryna5 wrz 2006 · Isky has offered this cam in both a 108* and 110* LSA. Lift is .565" at the valve and duration is 232*@.050". How well it works in your engine depends greatly … Witryna19 lut 2004 · 11:1 your looking more toward race gas, your engine might run fine at idle, but above that the overlap gets less and your looking at a pinging nightmare. A … the rubbleman cc

64cc heads on a flattop sbc 400??? - NastyZ28.com

isky mega-cams the latest and most powerful hydraulic cams

Witryna20 lis 2008 · ISKY CAMS 264-MEGA HYDRAULIC Valve Lift - INT.450 ... I believe the listed compression ratio for 67-68 camaro with 210 hp 327 was 8.75:1 (1.72/1.5 valves, 75 cc chamber). The listed compression ratio for the 275 hp version was 10:1 (1.95/1.5 valves, 63 cc chamber). ... #16 · Aug 11, 2006. Only show this user. Yes, should be … Witryna9 wrz 2016 · I like the Isky 270/280's as well, this cam would be closer to a 280, with a bump in lift & lobe intensity, though not in the same intensity level as a Voodoo or an Xtreme cam. I've never run one, and I didn't run the dynamic compression ratio, but in my humble opinion, I really like the specs for a low compression, manual trans street … tradchapWitryna12 sty 2013 · 1. los angeles. Hello everyone. This is my first post here in the forums. I wanted to get your opinions on the isky 280 mega flat tap cam (280 adv int duration, … tradcatknight 2019

"WitrynaIsky Hydraulic Flat Tappet Camshafts 20127128112. Write the First Review. Part Number: ISK-201271281-12. Image is a representation of this item. Actual item may … " - Isky 280 with 11-1 compression ratio

Isky 280 with 11-1 compression ratio

Choosing right cam for high compression 327 on pump gas

Witryna30 lip 2008 · Isky says to use a 3.23 to 3.70 gear and 9 to 10.5:1 cr. What is a 1980 vetter cr and gear ratio? 8.25:1cr and a 2.73 gear? That would be a good cam if you plan to add some compression and some gears I would use a smaller cam with more duration on the exhaust side as compared to the intake. Witryna14 kwi 2009 · The cam in my sig is 230/238/112 in a 400, 10.7-1 comp and is plenty big, and about the right compression ratio. 93 Camaro backhalf car, 3100lbs SBC406 (tow truck motor) AED 850DP,super victor, AFR210 elim, Flat tops, UD Harold SR 243/249/112LSA, 1-3/4 custom headers, T-400, 4500 stall 4.30, best ET/MPH 10.30 …

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Witryna6 mar 2024 · Isky Hydraulic Flat Tappet Camshafts 396281 ISK-396281. Not Yet Reviewed. Part Number: ISK-396281 Estimated Ship Date: Mar 6, 2024 Witryna21 gru 2016 · KB155 pistons will give you an 11.43:1 static compression ratio when used with a 0.025" piston deck height, a Fel-Pro 1094 head gasket and heads milled …

Witryna21 lip 2005 · 6,448 Posts. #7 · Jul 20, 2005 (Edited) Our L78, rated at 11-1, works fine. It's probably more like 10-1 in actual fact if it is like other engines that have been checked for actual compression ratio. We've put about 26K miles on the car since we bought it with no problems and it performs pretty well. Witryna13 paź 2016 · With a 1:1 tranny, I'd go with the 2.73 rear, I play with ODs a lot, and typically under 2.50:1 final gets limiting for a performance engine. You either need to drive very fast or you don't use 5th much. FWIW, my Ford engine, with 20+ more cubes, I ran at 2.36:1 for a while, and it's happier everywhere now at 2.63:1 final (with a 27 …

Witryna14 lip 2011 · Post Jul 14, 2011 #11 2011-07-14T23:07. Is the compression ratio measured at 10.5:1, or did you get pistons advertised as 10.5:1? or??? paulie. The … WitrynaIsky 280 Megacam with 1.6 ratio roller rockers. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works …

Witryna1 lis 2011 · I have a Comp Cams Magnum 280 Hydraulic Cam amd Lifter Set in my 327. The Compression Ratio is 10.25:1 and I am using 461 Double Hump Heads and a 461 Intake Manifold. The heads have 2.02 Intake and 1.60 exhaust valves. I am also using a MSD Pro Billet Ready to Run Distributor with Blaster 3 Coil and a Holley 670 Street …

Witryna21 lut 2013 · I am wondering how strongly we need to adhere to the camshaft manufacturer's suggested compression ratios. I am swapping cylinder heads and if I keep the same pistons, I will lose 0.85 of a point -from 12:1 to 11.15:1 due to the larger chambers of the new heads. trad catholic churchWitryna7 lip 2009 · Just wanted you to reread what pdq said about the 268. Too small for 11-1, You need to keep a very tight quench, no thicker head gaskets, I run the 280 Magnum in a 350, too small for 11-1 I run a 00024, Lunati , 292-230-.544-109 in a 10-1 454. Sounds good makes 12,13 vacuum. I run a Lunati 300-246-.515 in a 400 sbc,, 10-1 ,, less … trad catholic datingWitryna31 sie 2024 · 1957 Chrysler Fire Power Hemi Bore: 4.040-inch Stroke: 3.900-inch Displacement 398 cubic inches Compression ratio: 9.5:1 Camshaft: Isky 280 Mega hydraulic, flat-tappet Valve lift: ... trad catholic sitesWitryna1 lis 2013 · 304 Mega Hyd. Compression Ratio: 11:1 & Up Rough 3200-7500 Manual or Auto 4.33/4.88 700-850. Ultimate Hi-Performance Use/Bracket with 3000 RPM. … trad chansonWitryna12 mar 2012 · Mahle pistons 10.5 compression. Isky 560" lift 254°@.050 108° installed @ 103°. Ported #049 GM oval port heads, Ferrea valves, Smith bros pushrods, 1.7 ratio rockers. RPM Air Gap intake, 850 Holley=(4781), 35° degrees total timing, using 91 octane pump gas. This combination would easily push a full weight Chevelle well into … trad chairmanWitryna5 wrz 2006 · Isky has offered this cam in both a 108* and 110* LSA. Lift is .565" at the valve and duration is 232*@.050". How well it works in your engine depends greatly on your overall engine package, and what your engine is in. I've run one in a 466 jet boat engine with 10.7:1 compression ratio, Offy tunnel ram and two 660's flowing about … the rubble kingsWitryna280 12-14 900-1000 290 14-16 1000-1100 300 16-18 1100-1200 310+ 18-20 1100-1400 ... Notwithstanding the compression ratio and other factors, the characteristic that determines the maximum advance setting is the shape of the combustion chamber and the position of the spark plug. Below is a table indicating the desired maximum … the rub cda