The ka24 is a larger displacement fourcylinder motor. Crankshaft stroke crank stroke the pistons are designed to work with. This is more or less a reference post for those interested in high compression piston options. The nissan ka24e motor has a castiron cylinder block, cast steel connecting rods, a halfcounterweighted forged steel crankshaft.
On the ka24e engine the power steering pump mounts on the passenger side of the motor and bolts to the head. Theyre the only ones i could find that would give me the compression i wanted. Proseal rings and other accessories are also available to complete your rebuild. Pistons intended for the right bank will feature an r suffix. Je pistons leads the industry in the manufacture of quality forged pistons for the domestic automotive, sport compact, powersports and racing markets. Each piston is designed to withstand the intense heat and pressures of high compression normally aspirated and high boost turbocharged or. In addition to the increased power and torque, the ka24de has a higher redline than. O ur s14 ka24de wiseco pistons feature design characteristics based on our own specifications to make these pistons the best of the best in performance at a great price. Until the mahle pistons came along, you had to sleeve your h22 to install forged pistons. Ka24des use a knock sensor, and with an ecu tune you could use the 10. If you were to combine the two you would overload the engine in most cases and create to much stress and wear on internal engine parts. Arias pistons was brought to life in 1969 as a manufacturer and supplier of high performance, high quality pistons and related hardware. There is no good reason for using these wider rings.
Highcompression pistons work equally well on stock or modified motors with the same results, more power at. Nissan ka24de engine turbo, specs, performance upgrades. 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. Were taking a look at the powerplant which resides in the 240sx, as well as. Nissan 240sx performance modificationka24de and ka24e. Cp ka24de pistons and ka24e pistons campbell enterprises. This is why we are so happy to be able to offer these pistons to you. Todays high output engines put greater demands on piston. The ka engines were a series of fourstroke inlinefour gasoline piston engines manufactured. High compression pistons i been sleeping on this for a long long long time. If you didnt already know, the biggest power gains of any engine are found in the cylinder head. I measured 250s high comp pistons to have up to 1mm more material on squish depending on their base compression ratio values, could be up to 4.
Cp pistons nissan ka24de and ka24e forged pistons and ring set specs. Compared to cast pistons, forgings are tougher and more durable, and will stand up to the abuse that high performance motorsport applications require. Ive started a single cam na build, so im looking for any advice or tips. The heat transfer is poor in these machines due to the high frequency operation and the practical geometry requirements that dictate a poor surface area to volume. Exactly what is the benefit of a high comp piston kx450f.
Use the piston to square up the ring in the bore, and check the end gap by using a feeler gage. All applications are cnc machined with symmetrical valve pockets and feature pressure fed pin oiling with precision finished full floating pins. Cp pistons forged pistons acurahonda k24 wk20aa2 3. The ka24e was a single overhead cam engine with just three valves per cylinder, and the ka24de was a dual overhead cam engine with four valves per cylinder. Bore size cylinder bore size piston is designed to work in, listed in inches and millimeters. A turbo forces air into the combustion chamber, increasing the pressure.
It uses hitachi sequential electronic fuel injection, and features cast steel connecting rods, a halfcounterweighted forged steel crankshaft, and a cast aluminum cylinder head. Awhile ago i put together a parts list for an eco hybrid running some off the shelf high compression f22c honda s2000 pistons. The features you would normally find in a high quality set of wiseco pistons can be found at an affordable price with pro tru. This is why really big cams need a higher compression piston just to get the dynamic compression ratio back to where it is stock.
As evidenced by our rapid growth and our customers satisfaction, this. I was interested in bumping the compression up if i was going to invest in. By using a pro circuit highcompression piston you will gain both lowend torque and topend power. Ka24de forged pistons for the 240sx are much stronger and are more durable than your stock pistons. However, if you are going to turbo the car with anything around 1 bar of boost, then you might as well stay with the 10. Higher compression requires careful adjustment of the ignition timing and if temperatures get too high the compressed fuel is more likely to preignite knocking, pinking, detonation, whatever. Wiseco forged piston ka24de kit, performance oem and. Provided it receives regular service intervals, using highquality. Most older low compression pistons have a deep dish in the top of the piston, such as 40cc.
Ka24e is a single cam motor and ka24de is a dual overhead cam. A higher compression piston will have less of a dish or can even have a flat top, flat top with valve reliefs, or a domed piston. Cp pistons forged 2618 pistons for the acurahonda k24 wk20aa2 are designed for maximum performance and horsepower. Relative size denotes whether this bore size is stock standard size, or an oversize listed in millimeters. It also uses a long piston stroke to achieve its torque. Pistons are the backbone of any true hardcore racing engine and thats where cp carrillo excels. Understanding compression on a pump gas street motor. As with older oldsmobile engines, the only way they changed the compression ratio on their engines was to change the pistons. Our commitment to providing the best parts at the best prices is topped only by our dedication to providing the very best service to our clients. Forged out of the need for a better piston, our goal then was to offer a superior product that was competitively priced. Most castings are brittle, have no grain structure and tend to fail catastrophically when the material yield strength is exceeded.
Highcompression pistons work equally well on stock or modified motors giving you more power at ever. The jbody organization, is the worlds largest automotive enthusiast group exclusively geared towards the general motors gm jcar platform including the chevrolet cavalier, pontiac sunfire, pontiac sunbird, pontiac j 2000, oldsmobile firenza, buick skyhawk and cadillac cimarron. I have the kawasaki remapping tool but would not know what ig or fi adjustments should be used with a high comp piston. Cuminas high compression pdf hc pdf is technology which compresses a raster image pdf at a high compression ratio when created through scanners and multifunction printers. Wiseco manufactures high performance forged pistons. We use wiseco pistons exclusively in our own performance rebuilds due to their high level of quality control and their world renowned excellence as a performance piston manufacturer. Cp pistons nissan ka24 wturbo forged piston and ring set 3. Lower compression pistons are generally geared towards forced induction engines turbo or supercharged. Whether youre on or off of the street, you can depend on the maximum strength and minimum variance of wisecos aluminumforged pistons for your sport compact vehicle. The turbo or supercharger creates a higher compression ratio, eliminating the need for a higher comp piston.
The majority of these pistons still have 564inch compression rings. These pistons are available in high or low compression. Wiseco pistons professional series powered by rpmware. Vertex high compression piston product of the week. Basic na tuning can net you average increases out of your ka24de ka24e engine. A 116inch or even 43 thousandths wide rings are what you should go for. Liquid piston gas compression mechanical engineering.
Get a 41 header, test pipe, and a three inch catback exhaust system, that will probably give 15hp on the top end especially when matched with all the other components. Cp pistons forged piston set for nissan 240sx ss14. It was mostly the trucks that use the ka24e, but the 8990 240sx also used it. They have held up to the punishiment we have given it and never had any problems. Cuminas has applied djvus stateoftheart compression technology to hc pdf, so now anyone can enjoy the benefit of djvu without needing to install the djvu browser. On models for suv compression ratio is reduced to 9. For this weeks product we have the vertex high compression piston, it is a work of art and assuming you are mechanically minded to the point where you would take on the top end rebuild of your. We offer a full line of import and domestic pistons, piston rings, piston. Their extensive shelf catalog provides the user with many of the options that youd normally be resigned to going to a custom piston for. Available in low, stock and highcompression versions, you can now do a lot more with your stockblock. The car wont utilize any type of performance, but can infact use really high compression pistons on that fuel. Top end performance has been your source for the best prices on brand name, top quality car parts since 1994.
Its sort of the same effect as raising compression only without the drawbacks of lumpy low rpm etc. The tranmissions and alot of the accessories are the same. I am about due to change the piston in my 09, what are the gains from using a high comp piston like. Highcompression ecotec pistons performance forum j. With it tuned right you can also run a higher compression level, 10hp is easy to do, 20hp is ok, 30hp would require some good tuning and fuel probably. Compression ratio with a open chambered u67 head is 9. In contrast to ka24e, ka24de engines have new oil pan and oil jets, modified pistons and crankshaft with compression ratio 9. Ive been trolling europe for euro spechigh comp 1608 pistons, and the most trustworthy info in most of the postings seems to be the the label on the nos box of pistons designating 80mm andor 1608, and the pics of the pistons showing at least somewhat of a dome with fly cuts for the valves. Early ka24de till 1994 used camshafts with duration 240248 deg, lift 8. Innovations like high alloychrome silicon steel compression. These are the same cp pistons we use in our time attack car that took 2nd place overall in the redline time attack series. Understanding high compression pistons for 1608 page 2. The ka24e was a sohc 12valve engine produced from july 1988 through january 1997.
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