Jellybean Posted January 14, 2013 Share Posted January 14, 2013 (edited) Hey I have a TRD rad cap (12b is etched on the rad cap) on an unknown radiator on my car; I am not 100% sure what rad cap dimensions refer to (what it is a measurement of) I am referencing the Rad cap to a blue print 1.1 bar I got off Fensport (I asked them for a stock cap) But the Rad cap on the car is about 3-4mm larger than standard stock rad cap, I went to a motor factors the weekend and they only had a 1.1 bar rad cap, do I need a 1.2 bar? All the rad caps are referenced by car model, I don't have a clue how to measure the cap to ensure it will fit. Motor factors I went to was one of the biggest here with Largest stock. I even asked him what car would the rad cap fit but he said the one he had was just universal. any idea's, other than trying to match it to universal rad caps? Ideally I would just like to by one online at this stage but I don't know what size to get What is the diameter on the stock rad? Edited January 14, 2013 by Jellybean (see edit history) Quote Link to comment Share on other sites More sharing options...
Westy Posted January 14, 2013 Share Posted January 14, 2013 Stock is 1.1 and is generally what recommended...I fitted the HKS one as its also 1.1 but looks better. If its good enough for Infernos car it's good enough for me! Quote Link to comment Share on other sites More sharing options...
Jellybean Posted January 14, 2013 Author Share Posted January 14, 2013 (edited) Stock is 1.1 and is generally what recommended...I fitted the HKS one as its also 1.1 but looks better. If its good enough for Infernos car it's good enough for me! Thanks, I taught it was 1.2 for some reason! The TRD one is 1.5 bar; what is the stock rad diameter (inlet -- rad cap sits on) 33.3mm/1.3" sound correct?) I will measure mine and see if I can get something to fit it Edited January 14, 2013 by Jellybean (see edit history) Quote Link to comment Share on other sites More sharing options...
Jellybean Posted January 21, 2013 Author Share Posted January 21, 2013 I think I know what Rad cap is on mine, Supra MA70 Is the MA70 Radiator inlet diameter slightly larger than a JZA80? Quote Link to comment Share on other sites More sharing options...
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