Scottoj18 Posted April 17, 2012 Report Share Posted April 17, 2012 I have 3 air rifels. 2 need a little work can any1 help. Smk th78d.. This takes 2 12g co2 tanks. it being a smk it's a bit ruff around the edges... Changing the seals? What would it bring to the gun? also is it posable to up the power to full power at home? BSA Lighting Xl... Witch sounds a tad thuddy. I think it needs a new main spring.... Is this possible to do at home.. Also can any 1 recommend a spring ? The 3rd is a umarex perfecta 55 22 ... The cheapest one out the three but .. By far the best (at the mo!) and my favourite Cheers Quote Link to comment Share on other sites More sharing options...
carpcrazy Posted April 17, 2012 Report Share Posted April 17, 2012 http://www.trobb.f9.co.uk/Kits%20Page.html#XS there ya go pal take a look at that site for ur 78 £60 to tune the 78 an you get a dvd to show you wot to do with it Quote Link to comment Share on other sites More sharing options...
the big shot Posted April 17, 2012 Report Share Posted April 17, 2012 I have 3 air rifels. 2 need a little work can any1 help. Smk th78d.. This takes 2 12g co2 tanks. it being a smk it's a bit ruff around the edges... Changing the seals? What would it bring to the gun? also is it posable to up the power to full power at home? BSA Lighting Xl... Witch sounds a tad thuddy. I think it needs a new main spring.... Is this possible to do at home.. Also can any 1 recommend a spring ? The 3rd is a umarex perfecta 55 22 ... The cheapest one out the three but .. By far the best (at the mo!) and my favourite Cheers Quote Link to comment Share on other sites More sharing options...
the big shot Posted April 17, 2012 Report Share Posted April 17, 2012 Try woodfield.gcp.co.uk springer tuning kits £55 and also tuning kits for qb/xs 78&79 Quote Link to comment Share on other sites More sharing options...
amateur Posted April 17, 2012 Report Share Posted April 17, 2012 Smk th78d.. This takes 2 12g co2 tanks. it being a smk it's a bit ruff around the edges... Changing the seals? What would it bring to the gun? also is it posable to up the power to full power at home? If you are reasonably mechanically competent it takes a morning, at most, to fit the TR Robb kit, which brought my XS78 up to a shade over 11 ftlbs. It is worthwhile, however, spending a little time smoothing out the rough edges on the trigger mechanism and that will improve the whole feel of the gun Quote Link to comment Share on other sites More sharing options...
Ant8681 Posted April 17, 2012 Report Share Posted April 17, 2012 is this the same gun as the QB78? Quote Link to comment Share on other sites More sharing options...
carpcrazy Posted April 17, 2012 Report Share Posted April 17, 2012 yeah it is ant jus the thqb78d is jus finish off better Quote Link to comment Share on other sites More sharing options...
Ant8681 Posted April 18, 2012 Report Share Posted April 18, 2012 yeah it is ant jus the thqb78d is jus finish off better I replaced the barrel seals the other day, it was quite easy, not sure if it had much effect as i do not have a chrono, if you are going to do the whole gun could you please let me know how you get on, cheers! Quote Link to comment Share on other sites More sharing options...
carpcrazy Posted April 18, 2012 Report Share Posted April 18, 2012 yeah am gonna do the full tune an trigger plus am gettin there extended co2 tube well i say i am wot i really mean is am gonna buy the parts and get some one else to do it Quote Link to comment Share on other sites More sharing options...
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