cornish6544 Posted May 27, 2017 Share Posted May 27, 2017 When i got my car it already had a blitz dump valve fitted which doesn't make a bad sound but after a while i found it seized up and wouldn't open so i took it apart and cleaned it but now just a month later its happened again and while it is seized the air seems to come from the air filter instead of the dump valve. So im most likely going to be buying a new one but which brand? i think its fair to say everyone recommends HKS for sound but which model are people using on classics? Quote Link to comment Share on other sites More sharing options...
kershaw-330s Posted May 28, 2017 Share Posted May 28, 2017 Think there is only one hks and that's the ssq but you can change the blades inside to make different noises I think Sent from my iphone using Tapatalk Quote Link to comment Share on other sites More sharing options...
stants Posted May 28, 2017 Share Posted May 28, 2017 Forge stuffs pretty good and people on here rate the GFB Valves too Sent from my SM-G930F using Tapatalk Quote Link to comment Share on other sites More sharing options...
Rps Posted May 29, 2017 Share Posted May 29, 2017 Ive got gfb mach 1 and its really good Previously i had a gfb hybrid but when i changed to a fmic its a flanged version so i couldnt use it so i bought the above. Very resonably priced too Quote Link to comment Share on other sites More sharing options...
Shaqs77 Posted June 17, 2017 Share Posted June 17, 2017 http://scoobyworld.co.uk/catalog/product_info.php?cPath=47_61_606&products_id=4003 I bought the gfb fully adjustable one and very happy with it. Quote Link to comment Share on other sites More sharing options...
Sandals Posted June 17, 2017 Share Posted June 17, 2017 3 hours ago, Shaqs77 said: http://scoobyworld.co.uk/catalog/product_info.php?cPath=47_61_606&products_id=4003 I bought the gfb fully adjustable one and very happy with it. Same one I've got... good choice :D 1 Quote Link to comment Share on other sites More sharing options...
Amz-P Posted July 7, 2017 Share Posted July 7, 2017 Stick to the factory recirc valve, it's the best one for the car, unless you're running 350+ bhp Quote Link to comment Share on other sites More sharing options...
savage bulldogs Posted July 7, 2017 Share Posted July 7, 2017 I run a old skool Bailey's with a uprated piston spring on my classic with a fmic. I assume that you've got your current d.v fitted to the fmic pipework ? If so any of the "generic" fmic d.v will work even if its a different size . If you check the Dia of your fmic pipework dump valve "take off" . Then buy a silicone reducer, to suit that Dia and the new dump valve entrance Dia . Some where like a.s.h (auto silicone hoses) will probably have them on the shelf .[emoji6] Quote Link to comment Share on other sites More sharing options...
Turner1990 Posted September 3, 2017 Share Posted September 3, 2017 On 07/07/2017 at 8:01 AM, Amz-P said: Stick to the factory recirc valve, it's the best one for the car, unless you're running 350+ bhp What would you recommend if running over 350bhp? Quote Link to comment Share on other sites More sharing options...
Amz-P Posted September 8, 2017 Share Posted September 8, 2017 On 9/3/2017 at 7:00 PM, Turner1990 said: What would you recommend if running over 350bhp? HKS SSQV or Blitz, Greddy Tial etc are all great valves. 1 Quote Link to comment Share on other sites More sharing options...
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