Quote Originally Posted by hondapop View Post
It may also be that the cap you're using is not matched to the radiator. Check the diameter of the washer and whether it is contacting it's seat. You should have to push it down slightly against it's spring before turning.
yeh im getting one this weekend, its funny coz when i put the rad cap in it just slips in smoothly without any force .... doesnt seem right ..but yet again ..was working ok when i had my b16 ...

Quote Originally Posted by stndrd View Post
By the sounds of it, the radiator cap is faulty. Replace the cap and see how you go
getting one on the weekend ... hopefully someone's got one that matches the diameter of my rad ...