Champion Radiator Cap (Page 1/1)
Dennis LaGrua JAN 19, 12:11 PM
For those of you running the larger Champion Radiators (or similar) you will find that if you need a replacement the Fiero radiator cap will not fit. If you call Champion they will tell you to use only their cap and hit you with a $25 charge. After some research online, the Stant 10231 cap was recommended. Has anyone used this cap or another that fits?

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" THE BLACK PARALYZER" -87GT 3800SC Series III engine, custom ZZP /Frozen Boost Intercooler setup, 3.4" Pulley, Northstar TB, LS1 MAF, 3" Spintech/Hedman Exhaust, P-log Manifold, Autolite 104's, MSD wires, Custom CAI, 4T65eHD w. custom axles, Champion Radiator, S10 Brake Booster, HP Tuners VCM Suite.
"THE COLUSSUS"
87GT - ALL OUT 3.4L Turbocharged engine, Garrett Hybrid Turbo, MSD ign., modified TH125H
" ON THE LOOSE WITHOUT THE JUICE "

Vintage-Nut JAN 19, 03:11 PM
I think Stant 10231 is vented

I believe that the Fiero radiator cap needs to be non-vented...


quote
TheOgre:
The Stant xxx31 cap is what everyone has been calling a "vented" cap.
The xxx30 is what has been called a "non-vented" cap.



The Ogre's Fiero Cave / Radiator Cap
https://web.archive.org/web...erocave/coolcaps.htm

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Original Owner of a Silver '88 GT
Under 'Production Refurbishment' @ 136k Miles

[This message has been edited by Vintage-Nut (edited 01-19-2025).]