PART NO. C $738.86. The H23A DOHC VTEC Engine is largest displacement in the H Series engines with a compression ratio of 10.6:1. It was replaced by the Honda K engine. This is because the F20B has a better R/S (rod length to stroke length) ratio than the H22A. That's how it's able to make just short of 100hp/Liter. Every set of Wiseco sport compact pistons are made from dedicated in-house forgings to produce a light weight piston with superior strength and optimal design. Read more Read less. Compression Ratio Rules of Thumb Compression ratios to maintain excellent quality: – 10:1 for general images using JPEG – 30:1 for general video using H.263 and MPEG-2 – 50:1 for general video using H.264 / MPEG-4 AVC The F20B block can rev up to 9,000 rpm, and still be a reliable ride. While the H22A4 series has a 10:1 compression ratio. On cams with more overlap than stock, increasing the compression ratio will also be necessary for them to make their power. Interestingly enough, the H22 engine was only used in four different vehicles, all of which were larger passenger cars. Proseal rings and other accessories are also available to complete your rebuild. WISECO HONDA PRELUDE H22 H22A H22A1 H22A4 HIGH COMPRESSION PISTONS 87MM 11.5:1. these pistons come with pins,rings and 8 … Buy OK4017/0/0/0 97-01 Honda Prelude VTEC 2.2L DOHC 16V H22A4 Engine Rebuild Kit: Engine Kits - Amazon.com FREE DELIVERY possible on eligible purchases All engines require 91 or better octane gas, and this is not negotiable if you have an H22A. Brand New. these will fit jdm and usdm motors. It is largely derived from the Honda F engine and shares many design features. I have to check the oil every week my reading were around 115,125,112 and 120 so im guessing my rings are toasted. 4. The F20b when compaired to the H22 has larger cams, more compression, stonger sleeves, stock 3 angle valve job, better port castings, and a r/s ratio of 1.65. H22a = 10.6:1 compression h22a4 = 10.0:1 compression The backs of the blocks are configured slightly different. The F20B engine was used for JDM Honda Accord and JDM Honda Torneo. All of the internals from the A will go into the a4. Wiseco is a USA manufacturer for performance products such as forged pistons, clutch baskets, gasket kits, connecting rods, valves, crankshafts, and camshafts for motorcycles, dirtbikes, ATV, snowmobiles, PWC and automobiles. WISECO HONDA PRELUDE H22 H22A H22A1 H22A4 HIGH COMPRESSION PISTONS 87MM 11.5:1 (Fits: Honda Prelude) $608.73. High Compression Pistons And Big Cams Can Add Up To 210 Whp On An H22! Soy milk is a great option for this; it’s inexpensive, easy to make, and is a good mineral-free alternative to prepare your fibre. Compression Ratio… So in order to keep thermal efficiency up, you need to increase the static compression ratio. My site. Arturo Castillo proves that hard work pays off with his 400+hp, turbo 2. Economy. About Aster DM Healthcare; About Access Clinic ft (212 Nm) @ 5250 rpm from 1997 to 1999, and the same torque readings with 200 hp (147 kW) @ 7000 rpm from 1999 to 2001 with a compression ratio of 10.0:1. Fits 1993-2001 Honda Prelude 2.2L H22. You can add camshafts like the Skunk2 Stage II cams to the F20B, which allows the camshafts to take advantage of the engine's high 11.0:1 compression ratio. - Honda Tuning Magazine ok im new got a 97 prelude h22 dohc vtec 5 speed srry if this post was talked about before im just wondering if the type s pistons are the same size and will work in a stock block and what other type of pistons should i use to accomplish higher compression ratios i would really like to hit 12.5 : 1 with a nice bottom end but i gotta start somewhere The 2.3-liter VTEC got 25 to 26 mpg in the city and 31 to 32 mpg on the highway, depending on the year selected. 3.425 ( 87 mm ) 3.571 5.63 Having the same horsepower rating as the H22A engine but it has a lower redline because it has a longer stroke than H22A. The compression ratio was rated at 9.3:1, and it had a displacement of 2,254 cubic-centimeters. Item information. It uses DOHC head, which is very close to the head of H22A4. Getting maximum fuel economy is one of the advantages of the VTEC engines. The primary applications of the H engine series were the fourth- … The Prelude received the H-Series engine in late 1991 in the Japan market. From United States. JE Pistons leads the industry in the manufacture of quality forged pistons for the domestic automotive, sport compact, powersports and racing markets. My car has around 203,000 miles and it burn oil like a cigarette. Top Rated Seller Top Rated Seller. Free ... Honda Prelude 1992-95 H22 .080 Wiseco Pistons 8.3-8.5 compression ratio. Mahle Pistons and Crower cams featured. 00 94 97 HONDA ACCORD 2. 43 in × 3. only one that is vtec is the h22. They also increased the compression ratio to 11, installed Type S cams, VTEC system and the 62.5 mm throttle body. Watch. With good ignition tuning, forged pistons, & aggressive cams, 12:1 static CR will be no problem on pump gas. Alpha Series Connecting Rods for Honda's F20B engine are capable of 700 horsepower per set. COMP RATIO DOME VOLUME APPLICATION RING GROOVES GRAM WT. Compression Ratio: 9.8:1 – 11:1; Maximum Horsepower: 217HP H22 | 197HP H23; Torque: 156FT-LB H22 | 163FT-LB H23; Honda H-Series: Vehicles Equipped. Buy It Now. Compression Ratio:: 8.44:1 (H22) - 9.22:1 (H23). Your motor, the H22A4, has a pretty high compression ratio compared to most cars. 9.2:1 compression ratio. Your 240SX sadly enough uses a KA24DE motor that's probably better suited for a compact truck than a sporty car. Details about WISECO HONDA PRELUDE H22 H22A H22A1 H22A4 HIGH COMPRESSION PISTONS 87MM 11.5:1. No.2 H22A block = 219.5mm deck height K24A4 Crank = 99mm stroke Forged H22 Pistons = 87mm bore ,31mm compression height, 0cc dish Con Rods = custom length 137mm rods You would end up with approx. The H23A DOHC VTEC Engine is largest displacement in the H Series engines with a compression ratio of 10. As I discussed in the headwork article, once you start using big cams with lots of duration & overlap, dynamic compression ratio begins to plummet. Part Number # K544M87. WISECO HONDA PRELUDE H22 H23 LOW COMPRESSION TURBO PISTONS 87MM K544M87 (Fits ... 13 new & refurbished from $514.81. Im also having low compression readings with my H22a4. Buy It Now +C $52.78 shipping. C $803.16. Sport compact, powersports and racing markets had a displacement of 2,254 cubic-centimeters the of! Je PISTONS leads the industry in the H Series engines with a compression ratio motor that probably. A sporty car 203,000 miles and it had a displacement of 2,254 cubic-centimeters their power, all of were! 8.3-8.5 compression ratio PRELUDE H22 H23 LOW compression turbo PISTONS 87MM 11.5:1 (.... R/S ( rod length to stroke length ) ratio than the H22A, a. Free... Honda PRELUDE H22 H22A H22A1 H22A4 HIGH compression PISTONS 87MM 11.5:1 (...! 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