CSF manufactures the most advanced and efficient radiator cores in the industry by using innovative tube and fin technologies with industry leading testing methods to maximize airflow and heat dissipation. These techniques allow CSF to stay ahead of the pack when it comes to radiator technology!
B-Tube technology Unlike a regular oval shape O type radiator tube, CSF uses a specially engineered tube in a shape of a B. These B-tubes are carefully formed and then brazed over the seam to seal. CSF is able to use thinner and lighter aluminum material (better cooling efficiency) because this design is actually stronger than normal O shape tubes that are welded. The design (inlet in the middle of tube that is seam brazed) increases the heat transfer surface area of the tubes by approximately 15% over regular tubes. You get the efficiency of 2 smaller tubes vs. 1 large tube within the same space criteria. With B-tubes you are able to get dual liquid laminar flow.
High Efficiency Multi Louvered Fin CSF uses ultra efficient multi louvered fins that are carefully and precisely aligned to maximize airflow through each radiator core. Fin specifications are carefully measured and calculated for each application, and tested for maximum heat rejection efficiency in our wind-tunnel lab.
Reviewed by: Blake09/26/2016 02:59PM
Product ownership: Less than 1 month
Purchased from: 5X Racing
This is a beautiful, well-built radiator that substantially increased the cooling capacity of my '01 manual Miata. I am very pleased with the workmanship, but less pleased with the fit, particularly in relation to the fan shrouds. The threaded holes in the radiator for mounting the shrouds are too short and the bolts bottom out. I had to go purchase M8x12mm long bolts from the hardware store to fit. Then, with the shroud bolted in place, there is a large gap all around it - at least a half inch. This radiator doesn't have the same offset b/w the top/bottom and the actual radiator core, which is much wider than OEM. It's easy enough to seal the gap with aluminum tape, though. So all-in-all, I'm pleased. Just wish CSF would get the fitment details right, or at least include new fasteners if the OEM won't fit.
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