How To Know A Wastegate Good Or Bad?

[Light]

hey mates

i have a wastegate (copy of trust) but i am afraid to install it on my car with the Greddy T78.. so what do you thing of the copy wastegates..are they any good?

will it work?

will it do any harm to the engine?

guys the price difference is huge i bought this for around 160 US$

need your help

[R31Nismoid]

Boost control is one of the most imporant things on a motor.

If you dont have that, you risk far too much.

Spend the money once and it'll save you in the long run

[Light]

thank you very much R31Nismoid for the advice.

[paulr33]

the gate is just as important as the manifold setup

so make sure you have a good manifold which adequate space from the exhaust outlet ports and isn't a big bottleneck

[tridentt150v]

Just Jap and others sell HKS 'replica' wastegates. The JJR is the same to lookat and in dimensions as the HKS 40mm standard wastegate. The price of a new HKS is $750, the JJR around $270. I didn't buy one [found a s/h HKS that needs a new diaphragm], but everyone that I had contact with that had a replica reckoned they were OK. I think its a bit of a gamble, but if Just Jap sell them [and stand by the product] then they must be value for money.

PS I notice that other companies sell them as well, I just used JJ as an example.

[Craved]

i have a replica HKS one on my car .. wasnt from Just Jap, but it was just horrible, it chose what ever boost it wanted and the lag was horribly affected by the gate sticking open.

wouldnt do it again, that said it didnt over boost, always under and by varying amounts .

got myself a new tial 38mm from Slide, and am in the process of modifying all the flanges etc on the exhaust and manifold to fit the new one ..

my advice, go genuine something

[Light]

thanks a lot guys for the replies

so is there a way to test the wastegate before installing it? or the only possible test is on the car?