CAI vs IAT results

[to_the_darkside]

Just installed a JLT CAI with Lund tune and my min above ambient is 12 degrees. And max was 50 degrees. Average is 20 above.

Sponsored

 

[RaceRedGT]

I just installed just the Airraid intake tube on the stock box with factory filter and no tune. My only other mod so far is x-pipie.

Early yesterday the intake temp avgeraged 80 degrees with ambient at 75 degrees.

I was moving most of the time on local roads.

So far I like this option. I plan a Lund tune in the future.

 

[2015 Silver GT]

Just installed a JLT CAI and my min above ambient is 12 degrees. And max was 50 degrees. Average is 20 above.

Those numbers are much higher than the stock setup.

 

[to_the_darkside]

Those numbers are much higher than the stock setup.

Oh trust me I know. I was monitoring my Temps daily on the stock set up since I had made up my mind to get a CAI. since that original post I've seen a minimum of 7 degrees above ambient and a maximum of 66. It was 107 according to my amb temp reading and the IAT was up to 173. :(

 

[krahooligan]

2-4 degrees above ambient (consistently and while moving) for me on stock airbox. Grill delete helped with that

 

[Schu]

what the heck are those numbers OP... temperature?

 

[Blk2015GT]

This will never prove anything conclusively either way as speeds the car is at make a big difference to air flow and IAT temps.

The ONLY way to get accurate info is say have a highway test where every user goes the same mph for a certain amount of time (to even out the temps) and then report it. That would be the only accurate comparison. Say you must travel for 10 min at 60mpg consistently and then report the reading (and the car was not outside all day heat soaked from the sun already)

 

[madweazl]

This will never prove anything conclusively either way as speeds the car is at make a big difference to air flow and IAT temps.

The ONLY way to get accurate info is say have a highway test where every user goes the same mph for a certain amount of time (to even out the temps) and then report it. That would be the only accurate comparison. Say you must travel for 10 min at 60mpg consistently and then report the reading (and the car was not outside all day heat soaked from the sun already)

Sure, you can say that but that isnt what the post was here to demonstrate. It was clearly stated that it would show the various temps members have observed during various conditions of ownership. As more results are posted, trends will start to become apparent. The problem is that the data can be very subjective without data logs. Since I havent received any data logs and very little data in general, I've chose not to post it to the spreadsheet. "Accurate" is what individual users experience in the real world, not what is gonkulated from a specific temp, speed, climate, perfect condition of a lab. Provide the data and I'll update the spreadsheet. The more results that are captured, the more "accurate" the results will be.

 

[dubster99]

I saw pretty high temps in traffic with my stock intake as well. I just don't have any definite numbers, because it's in a box in the garage now. I think people are way too caught up when the intake air temp doesn't really matter that much, unless its extremely high. Once the air starts moving it'll cool down, and flow rate is much more important than temp anyways.

 

[madweazl]

I saw pretty high temps in traffic with my stock intake as well. I just don't have any definite numbers, because it's in a box in the garage now. I think people are way too caught up when the intake air temp doesn't really matter that much, unless its extremely high. Once the air starts moving it'll cool down, and flow rate is much more important than temp anyways.

When you're messing around street light to street light, it makes a difference. When you're sitting there pushing your car into the staging lanes to keep it cool, it makes a difference. Again though, not the purpose of this thread.

 

[Branman]

I'll throw this in here see if anyone has any ideas. I have a steeda intake and my IATs while cruising stayed about 5-6 degrees above ambient. I just loaded a Lund tune and now I can't get closer than 10-12 degrees above ambient. Now my fans are running like crazy so my current guess it's drawing hot air to my intake but just curious if anyone else noticed similar things. Thanks.

 

[dubster99]

When you're messing around street light to street light, it makes a difference. When you're sitting there pushing your car into the staging lanes to keep it cool, it makes a difference. Again though, not the purpose of this thread.

It's certainly not going to be as big a difference as flow rate between a JLT vs. stock intake. I'd like to see some dyno numbers vs intake temps.

 

[madweazl]

It's certainly not going to be as big a difference as flow rate between a JLT vs. stock intake. I'd like to see some dyno numbers vs intake temps.

Tough to say. I picked up 16hp (corrected to match environmentals from base line run) with the JLT and Lund tune. Who knows which item produced what results since they were installed and dyno at the same time. I cant remember what the temps were off the top of my head but I posted them in the other thread I started.

 

[dubster99]

Tough to say. I picked up 16hp (corrected to match environmentals from base line run) with the JLT and Lund tune. Who knows which item produced what results since they were installed and dyno at the same time. I cant remember what the temps were off the top of my head but I posted them in the other thread I started.

So you're confusing the shit out of me. It seemed to me you thought the hot air from the JLT was causing power to be down...now you don't think that? I've been supporting the JLT all along, but not the notion that the temp of the air has a ton to do with the power output. It's all about flow.

 

[madweazl]

On the dyno, the JLT was far cooler than it has been on the street (results are in that other tread but I'm in Korea right now and dont have the best internet access at the moment) so the results from the dyno should be far better than anyone would actually see on the street. The computer makes adjustments based on the IATs and one of the biggest to performance is the timing. Does the increase in volume over come the timing changes? When you're looking at a delta of 20-50° with the JLT during city driving (what I'm experiencing), I'd be beyond surprised.

Sponsored