hydraulic lifters

[Chadroper]

Does honda build any engines that use hydraulic lifters like general motors. What is so good about hydraulic lifters except that you dont have to adjust the valve clearences.

[2old_honda]

I know honda uses hydraulic lifters on some of its motorcycles. I dont think they use them on any of their cars though. Mainly because of the aggressive cam profiles honda uses.

[AccordEpicenter]

they dont use lifters, they just use rocker arms. You dont use lifters in OHC configuration engines, at least ive never seen it. I have seen them use roller rockers thoh

[DBMaster]

Actually, the Ford Escort used hydraulic "lifters" with an OHC. From what I understand the solid valve train gives you overall better performance and economy while the hydraulic valve train obviously requires less maintenance and generally runs a little quieter.

We have an old style Odyssey with the 2.3L VTEC engine (SOHC 16 valve) and the maintenance schedule says to adjust the valve lash only when the valve train is noisy. On the 3g it is supposed to be adjusted every 15K miles though I have found 20-25 is fine. Mine is rarely off by much even then. It's just a good excuse to check the timing belt and change the valve cover gasket.

[Chadroper]

i have seen one engine that is DOHC with hydraulic lifters. The GM quad 4 2.3L DOHC 16 valve had hydraulic lifters. The cam pushed on the lifters and they actuated the valves. No rocker arms or cam followers. It was an extremely simple engine.

[AccordEpicenter]

yeah but that engine has a horrible reputation. The honda configuration is more performance and precision oriented. Hydraulic lifters are much quieter tho and maint. free, until they wear out and start ticking (my moms chrysler van has a 135k on the 3.3l v6 and a lifter ticks).

[DBMaster]

My old 72 Pontiac with 400 V8 had ticking lifters for at least 100K miles of the 212K miles my family and I drove it. Since Pontiac used non-adjustable rockers (Chevy's at the time were adjustable) I just lived with it.

The solid valve train that Honda uses is more efficient giving some performance and economy gains. I was told back in 89 that Honda's street engines are derived from their racing engines, thus the solid valve train. It's nothing new, though. We had a 75 Toyota Corolla with the 2TC, 1.6L engine. It used push rods, but the valve train was still solid and required periodic lash adjustment.

[AccordEpicenter]

yea, hondas racing tech goes into almost every aspect of these engines. Fewer moving parts (ie solid valvetrain) lasts longer and is more performance oriented, the only tradeoffs are a little bit more noise and periodic valve lash adjustments.

[89T]

You know this thread is 7 years old right.

[carotman]

[Civic Accord Honda]

lol... and yes honda did on the c27

[cubert]

<3 JCwhitney bot.