Noisy lifters (sr20det)

I have a 91 gtir (sr redtop) with 92,000 on the clock. The engine runs smoothe, pulls hard, but the damn lifters are noise as shit. Is this something common with sr’s? Can my valves be adjusted? Im also second guessing my self and thinking the noise is from the timing chain?

Im a noob with sr’s.

Havent heard problems with noisy lifters on these engines. They are hydraulic so they really shouldnt be noisy and there isnt a way to adjust them because of that.

The noise is probably something else.

if it is the lifter you could try some thicker weight or better quality oil. i’ve had good sucess getting rid of lifter tick with Motul oil.

The “lifter” noise generally heard on SR motors is USUALLY the injectors. They can be a tad noisy.

actually that peticular engine(GTi-R) came whith a solid lifter setup. could just need some adjustment. pop the valve cover and grab a feeler gauge :slight_smile:

i thought you were a rotary guy. didn’t you have a black rx-7 on the track at dunville last summer?

peace

edit: took this off a website

Pulsar GTi-R
The Nissan Pulsar (aka Sunny) GTi-R employs the most sophisticated version of the SR20DET. The GTi-R engine is also built more strongly so that it can withstand the abuse of Group A rallying.

The standout feature of the GTi-R engine is its quad-throttle induction system. This improves throttle response compared to lesser models which survive with just a single 60mm throttle. Larger 444cc injectors are also aimed into the GTi-R combustion chambers.

Inside, the GTi-R engine has numerous improvements over conventional SR20DETs. The bottom-end boasts piston oil jets, a larger capacity oil pump with a water-to-oil cooler as well as stronger main cap bolts and conrods. The top-end features beefier head bolts, sodium filled exhaust valves, a revised exhaust cam profile, solid lifters, an improved head design and different piston crowns providing a static compression ratio of 8.3:1 (down from 8.5:1). A large T28 turbocharger delivers a claimed boost pressure of 10.5 psi – but we’ve seen a stock example peak at around 13.5 psi… A large top-mount air-to-air intercooler is also employed.

But despite it’s big ‘cooler, upsize turbo, quad throttles and other good bits, the GTi-R engine is not the most powerful SR20DET to roll out of the factory. That is, if you can believe Nissan’s claims…

On Japanese high octane fuel, the GTi-R engine is rated at 169kW at a relatively high 6400 rpm. This runs second to the Japanese S15 Silvia 6-speed manual. But, interestingly, the GTi-R’s peak torque is the highest of any mass produced SR – there’s a very healthy 284Nm at 4800 rpm.

Released in August 1990, the GTi-R SR20DET engine is transversely mounted and comes mated to a 5-speed manual gearbox – there was never an auto trans version.

These are relatively rare engines that fetch a high price at the Japanese import wreckers. But they are bullet-proof little buggers that are well suited for any motorsport application.

peace

Thanks tosh, im gonna try some 10w50 oil and if that doesnt do anything im gonna crack open the valve cover.

I sold my rx7 a few months ago but there are some future plans involving a 3 rotor and a maserati :slight_smile:

you really don’t like reliabilty, do you? haha.

lol
its possible to have a reliable rotary, it all depends on the builder and the driver.

Reliable And Rotory Dont Belong In The Same Sentence Lol. I’ll Probably See You At A Track Day This Year. Look Out For A Old Red Corolla :wink:

Peace

This unreliable rotary engine won the 24h of daytona 2007 http://youtube.com/watch?v=faXldpWlGtg&feature=related :cool: watch that mazda pull on the porsche!

Tosh, I see your into the old school toyota’s, man i love the old rollas and celicas.
My dad is a hardcore toyota guy, he had a 71 celica race car back in the day.