Dyno Testing

Escape · Post by **Escape** » Tue Feb 28, 2017 3:42 pm

Hi All,

I am considering putting a snorkel on my FJ and I have heard from quite a few people that there is a risk of power loss (I have also heard directly from a company in Australia that they got a power increase when they put on a snorkel).

If it is not too expensive, I thought I would do a 'before' and 'after' dyno test.

Can anyone tell me where I can get this done and roughly how much it costs?

Cheers, Al

Luaymikkawi · Post by **Luaymikkawi** » Tue Feb 28, 2017 4:01 pm

I cant help you with that, but I will be really interested with the results. Please do share once you have them.

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scotchyl · Post by **scotchyl** » Tue Feb 28, 2017 5:29 pm

Speak to hubiheau he has a dyno I think and can help, but it's in AD.

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Gladiator · Post by **Gladiator** » Tue Feb 28, 2017 6:20 pm

scotchyl wrote:Speak to hubiheau he has a dyno I think and can help, but it's in AD.

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yes agree with Scotchyl, Marshal Hubihea aka Oliver is the one..

i did same test on my JK.. plus he should be able to advice on power loss / gain..

MURAD · Post by **MURAD** » Wed Mar 01, 2017 12:21 pm

Quoting some online articles I had read. There will be some effect to fresh air flow as it would be with longer cycle with the snorkel on and if the inner surface is not smooth would also cuse unperfect air flow. However, the effect in either ways is not major effect to the car horsepower. Also the positive sides are cleaner colder air and almost sand free air filter.

I do recommend the snorkel option and it would be interesting to see the results of the dyno test

Regards

Violetta21 · Post by **Violetta21** » Wed Mar 01, 2017 3:25 pm

Escapee wrote:Hi All,

I am considering putting a snorkel on my FJ and I have heard from quite a few people that there is a risk of power loss (I have also heard directly from a company in Australia that they got a power increase when they put on a snorkel).

If it is not too expensive, I thought I would do a 'before' and 'after' dyno test.

Can anyone tell me where I can get this done and roughly how much it costs?

Cheers, Al

Al,

I wont go through technicalities.
I had a Safari snorkel on my FJ and I noticed the below:

1. No loss of power (the horsepower you ll lose is unnoticeable trust me)
2. I had to clean the air filter box every 3 months and I barely found sand in it

Go for it!

hubiheu · Post by **hubiheu** » Wed Mar 01, 2017 8:04 pm

so fare all cars with snorkel show less power on dyno doesn’t matter witch brand because an extended intake never improve flow of air
any corner make trouble for flow and create turbulence = resistant usual i see -15 to -24 hp on dyno up to car ....
if the inner fender liner properly fixed in Nissan or Toyota not much sand will come ...but any way the original filter boxes are designed to get sand inside and if is gcc spec filter element inside (no china copy)can handle sand with no issue if you stop the engine the sand will go down from filter in the filter box there are vents were the sand can go out i run my stock Toyota filter 1 10.000km and no issues with power drop and i never clean it this s worst thing what you can do ......
but if you plan to go under water there is no way around snorkel

Better invest in shawarma or sand tire ......

Zeebzog · Post by **Zeebzog** » Wed Mar 01, 2017 8:42 pm

Hi Oliver, a slightly different question then, how about putting the TRD CAI onto the FJ, no snorkel just to the inner fender?

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hubiheu · Post by **hubiheu** » Wed Mar 01, 2017 9:44 pm

the work nice...make good power but if it wiht sport filter need an flies around the filter to avoid that sand pass the filter

Zeebzog · Post by **Zeebzog** » Wed Mar 01, 2017 9:52 pm

Sorry Oliver. What do you mean by an flies around filter?

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hubiheu · Post by **hubiheu** » Wed Mar 01, 2017 10:15 pm

is like pre filter to keep sand away ....

Gunner · Post by **Gunner** » Thu Mar 02, 2017 11:02 am

Hi guys,

thanks for sharing your opinions. I was actually planning to do the same thing but now I will probably go for the CAI + pre-filter option. I never really liked the idea of drilling into my fender anyway.

Have fun!

Luaymikkawi · Post by **Luaymikkawi** » Thu Mar 02, 2017 12:07 pm

Thanks Oliver for great information, i have a question, on an FJ is it better to have a TRD CAI or a bigger filter box. I saw some FJs replaced their filter boxes with Land cruiser's one claiming it will increase air flow magnificently!!

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hubiheu · Post by **hubiheu** » Thu Mar 02, 2017 1:03 pm

hi the Land cruiser box better the have large filterelement for dessert
the made to supply up to 5.7l or 580 hp.....

Luaymikkawi · Post by **Luaymikkawi** » Thu Mar 02, 2017 1:11 pm

So Land cruiser box is better than TRD CAI?

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