Tomei Camshaft Poncam EJ25- Exhaust 254-10.30 (TA301E-SB02A)

Tomei Camshaft Poncam EJ25- Exhaust 254-10.30 (TA301E-SB02A)Tomei's PONCAM is built for high performance that can be gained by easy installation. They are drop in camshafts that are designed to suit the stock valve train and ECU. Valve timing is opening and closing timing of intake and exhaust valve that are linking to the piston movement,and it is expressed with the crankshaft angle from TDC or BDC of the piston. When installing new camshaft, idle stability or low mid range torque are dramatically charged by

Tomei's PONCAM is built for high performance that can be gained by easy installation. They are drop in camshafts that are designed to suit the stock valve train and ECU. Valve timing is opening and closing timing of intake and exhaust valve that are linking to the piston movement,and it is expressed with the crankshaft angle from TDC or BDC of the piston. When installing new camshaft, idle stability or low-mid range torque are dramatically charged by 1 degree of valve timing adjustment that controls overlap or valve closing timing. Valve timing is usually adjusted by engine-tuner who is working on with the test driver. So as PONCAM, the best duration timing and the valve lifts are decided from torque characteristic and acceleration data that is based on huge numbers of tests both on the bench actual running. Accordingly, dowel pin is shifted to the proper position at the same time. You'll get the best valve timing without any adjustment but just a replacement of the factory camshaft with PONCAM. In the profile design of a camshaft, we succeeded in reducing the burden to a valve spring sharply by enlarging the acceleration of opening valve, while compressing the acceleration of closing valve. There is no necessity for exchange of a valve spring, if stock spring is in a usable statement at the moment of cam installation.

The biggest development target of PONCAM was acquiring the high power in all stages. In the past, gaining power at high RPM might be too persisted though; we suggest that the real tuning car should run quickly and smoothly from low RPM to high RPM. In development of PONCAM, we have tested every each models of vehicles both or the bench and actual running for the best results. It is all based on the progress of technology when has not beer realized in the past. And it could already be called the new Performance rather than just the high quality. Usually, installation of bolt on turbine without changing camshaft will result in the reducing torque at low RPM since there is not enough combustion occurred at low RPM with stock camshaft. With PONCAM, on the other hand, it will send enough Exhaust gas to rotate turbine ever from low RPM. (And keeps delving power until rev-limit.)

Poncam Features:

• Valve Timing Adjusted
• Easy Installation
• Works with Standard Valve Springs
• New Perfomance in all Stages
• High Acceleration
• Stable Idle
• Uses NVCS
• Great with Drift Run
• Best with Bolt-On Turbine

The general purpose of engine tuning is to change the torque characteristics of the engine by changing the cams duration timing and cam lift amount for maximum torque and horse power. However tuning the engine is not only based on that. When going into finer details by maximizing the Valves efficiency is not just about timing and height lift but to also maximize the intake efficiency. The high valve lift allows huge amounts of air in but at the same time it mechanically damages the valve train and gains added friction loss. Longer cam durations and big cam lifts give deliver more power at higher engine speeds but it also gives a rough idle and at low engine speeds. Tomei engineers worked hard to produce camshafts that will deliver a well balanced profile at 1.3-1.5 times more than the stock camshaft.

Every camshaft is carefully built through these production processes. Plus, strict inspection will be given to them and only the highest quality products are shipped. Coating the surface of camshaft with manganese phosphate in order to protect from damage even when the camshaft has not lubricated yet. This has done by steeping press process that produces 0.5mm to 15 micromillimeter thin of manganese phosphate coating on its surface to prevent from direct contact with other metal parts while realizing smooth operation.