Search found 4 matches

by Neknadroj
Sat Jul 28, 2018 10:15 pm
Forum: Spring guns and tuning
Topic: tuning kit for my pro sport
Replies: 6
Views: 3816

Re: tuning kit for my pro sport

Hi Just fitted the TBT kit to mine. Not a lot of improvement so far but no twang at all. I have heard people saying pack it with grease but I don’t believe that to be the best way to go A nice snug fitting spring on Delrin spring guide and top hat and not a peep from the spring. Having said that A f...
by Neknadroj
Sat Jul 28, 2018 9:40 pm
Forum: Spring guns and tuning
Topic: Prosport piston
Replies: 5
Views: 3344

Re: Prosport piston

Hi thanks for all the help. I have now sorted the problem I think someone in the past has forced a very tight fitting washer. That was never ment to be in the piston down to the end of the cylinder. At first I tried the brake cleaner and alcohol but noting was going to shift it. So I removed the pis...
by Neknadroj
Sat Jul 28, 2018 3:23 pm
Forum: Spring guns and tuning
Topic: Prosport piston
Replies: 5
Views: 3344

Re: Prosport piston

Hi
Thanks so much for the reply
That confirms my problem I can only measure 97mm to the bottom of the internal piston.
And thanks for the great idea for removing the offending packing, I will give it a go.
Cheers
All the very best
Ken
by Neknadroj
Fri Jul 27, 2018 5:07 pm
Forum: Spring guns and tuning
Topic: Prosport piston
Replies: 5
Views: 3344

Prosport piston

Hi newbie here I am after some technical info I have just purchased a 4 year old prosport and I have had some troubles fitting a Tim bum kit My question is how deep is the piston with the top hat and any packing removed I am not sure if there is something stuck at the bottom of the piston were the s...