Fixing FL5 Civic Type R Limp Mode with a CSF Radiator!
If you own an FL5 Civic Type R and do track days, you know of its tendency to run hot. On hot days it is relatively easy to get it…
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Cooling and Heat Management
65 posts
Project 718 Cayman T: Part 6 – Third Radiator, Center Grill, and GT3 Vent Installation
I did say I was going to tackle the suspension next in order to optimize tire usage, but life threw me a bit of a curveball. So, I decided to…
CSF Releases Porsche 911/930 Performance Retromod OEM Oil Cooler Replacement
If you have a classic air-cooled Porsche 911/930 made from 1965 to 1989, CSF Cooling has THE oil cooler for you! With the current popularity of restoring and modifying these…
3D Printing an Oil Cooler Duct With BD Engineering
With a huge heatwave hitting California, we found when doing a track day at Willow Springs raceway in over 100-degree heat that our car was starting to run a little…
Project GD STI, Adding an Intercooler Sprayer to a Front Mount Intercooler
Subaru STIs have a water intercooler sprayer as factory equipment. There is an intercooler spray button on the dash with a large water reservoir in the truck with a pump. …
Testing the CSF BMW S58 G8X Intake Manifold
The BMW S58 engine is pretty impressive, directly based on BMW’s sturdy diesel engines, it is capable of producing over 1000 hp with just bolt-on mods. One of the bolt-on…
Adding an Easy to Install Heavy Duty Power Steering Cooler to the E39 BMW M5
When changing the radiator on Project E39 M5 to a CSF Racing performance part, we noticed that our power steering system was suffering from age-deteriorated lines and was leaking fluid. …
Project E39 M5, Improving Cooling With CSF
Even though our E39 M5 has been well maintained and is in excellent shape, it is still a 20-year-old car and some components were starting to show their age. In…
Project S2000: Part 35 –Dyno Tuning, Finding Problems, Retuning, and Math
If you have been following the progress of Project AP2 S2000, to prove my motor and turbo combination, I drove the car around for a while avoiding boost to test…
The Mystery of the Round Subaru Radiator Cap
Having an incorrect radiator cap on a turbo EJ Subaru is a critical mistake that even seasoned Subaru builders, including us have made. In fact, one of our sharp-eyed readers…
Rodger Clark Motorsports Subaru EJ Low Temperature Opening Thermostat
We had noticed that the coolant temperature of Project STI was pretty hot considering that the car had a big CSF radiator and a Greddy oil cooler, in fact, the…
Project GD STI, Fixing all the Details!
There are a lot of small details involved with swapping an engine, especially when upgrading all of the system parts for higher performance. These make the difference in the reliability…
The Best of 2021, #4: Testing The CSF VF Engineering A90 A91 Supra Intake Manifold Intercooler
CSF Radiators in collaboration with VF Engineering is about to launch a new intake manifold for the A90 and A91 Toyota Supra with both the B58B30C and B58M30O1 engines –…
WATCH: Our Lexus IS-F Gets a Koyo Radiator and B&M Transmission Cooler!
Our Project Lexus IS-F has been a great high performance daily driver for more than 10 years already but like all cars that are getting older, things break! Our…
Resurrecting Project FR-S: Greddy Oil Cooler
We had dusted off Project FR-S for an industry track day at Buttonwillow Raceway last month. While we had run the car in the winter on small courses like Streets…
WATCH: BMW E46 330ci Gets a CSF Radiator Upgrade!
Friend of MotoIQ Rachard Johnson, of FrshMedia, came by the shop to continue the restoration of his BMW E46 330ci. This time we get rid of the old plastic…
Project DBA R35 Nissan GT-R, Adding a Radium Coolant Tank
As we prepare our max effort bolt on GT-R engine for tuning we decided to use Radium Engineering’s Coolant tank as a final touch to clean up our engine compartment. …
Project 987.2 Cayman S: Cooling for the Track Part 2 with Bilt Racing Service
In our last segment of Project 987.2 Cayman, to prevent the dreaded on track overheating engine and transmission limp mode, we greatly increased our engine’s cooling capability by switching over…
Project 987.2 Cayman S: Cooling for the Track Part I with CSF Radiators
The 987 Porsche is known to have heating problems when driven on the track hard, especially ones that have the PDK transmission. PDK equipped cars can go into limp mode…
Project DBA R35 Nissan GT-R, Keeping Limp Mode Away With More Cooling
So the Achilles heel of the mighty R35 GT-R is one that plagues most Japanese high performance cars, an inadequate cooling system. We are not sure why this seems to…
Project S2000: Part 28 – Test Fitting Cooling Components For The Air-To-Water Intercooler
I had some concepts in my head on how the parts for the air-to-water intercooler setup would fit. As is often the case, things don’t quite work out the way…
Project DBA R35 Nissan GT-R, Bolt On Power Mods Part 1
Our last work on our project R35 GT-R was to do the suspension and brakes to bring them up to a high level and address some of the R35’s shortcomings…
Garrett Advancing Motion Honda Civic Si Intercooler Test!
Getting something for nothing is always a good thing. When modding a car, usually every modification has drawbacks. Get more power? Usually more power means more stress on things, more…
Project VIPER GTS: Part 11 – Understanding the Factory Temp Gauge
The Viper has an active water temperature gauge that is far more useful than the dummy gauges in most modern cars that only move when there is a massive problem.…
Putting CSF’s E46 M3 Oil Cooler Kit to the Test With Data!
It’s certainly no secret that the BMW S54 engine in the E46 M3 is special. For its time, it achieved a very high specific power output (105-110HP/L depending on model)…
Getting the Most From 91 Octane Pump Gas with a Honda K Motor, Part Four
In our last articles, we gathered the parts and assembled out low octane Honda K motors for our sleeper DC5 RSX Type S project car. Our engine was intended to…
Project F-150 Ecoboost – Making Serious Power with Garrett’s Powermax Twin Turbo and Intercooler Upgrade
The stock Ford F-150 intercooler and turbos are decent at their intended boost levels, but when tuning the stock ECU and turning up the wick is when their shortcomings becoming…
WATCH: Track Testing the New CSF Radiator on Project C7 Corvette!
We brought our Project C7 Corvette Stingray back to Buttonwillow Raceway for more testing! While we’ve upgraded the Vette’s transverse leaf springs and Chevrolet Performance’s T1 dampers to…
Project C7 Corvette Stingray, Keeping It Track Cool With CSF
Corvettes always seem to run hot. From our experience, they have run hot since the C4. Heck maybe even before that but we are not old enough to have experienced…
Project STurdteen, Plumbing the Motor and Getting Her Ready to Run!
So we have rebuilt the engine and the transmission for Rathyna’s Turd. Now came the job of putting the engine back in the car and undoing the clusterfuck of plumbing…
WATCH: Our V8 RX-7 Gets a Samberg Radiator and Intake Upgrade!
While the old radiator and intake on Project V8 RX-7 was indeed functional and served us well it needed shrouding and certainly lacked a certain amount of “form”. …
Project SR E30: Part 6 – Catch Can, Plumbing and Throttle Cable
We’re back! After a short break, the SR E30 saga continues! In the last episode, we painted the engine bay and installed the SR20 back into the car… through the…