John L Posted December 9, 2018 Report Share Posted December 9, 2018 Malcolm at Prestige injection offers a new tank outlet adaptor, but I didn't see it on his list of parts, but in his description of his kit he says, To ensure this the kit is supplied with an adaptor that replaces the original 1/4" bore tube outlet. The original tube outlet is removed, the new outlet screwed in this increases the tank outlet bore to 8.5 mm. It has a push on connector for rubber hose. I'm considering one of these to maximise the flow from the tank. John Quote Link to post Share on other sites
Waldi Posted December 9, 2018 Report Share Posted December 9, 2018 Ian, 1/2” unf has 20 threads per inch (tpi). If you trial fit an 1/2” unf bolt in the tank outlet, you will see it fit’s nicely (clean the outlet first, so no deposits stop the bolt. You should feel the bolt “bottomming”. Since UNF thread is not self sealing (like NPT does) I installed my nipple with loctite 542. The original outlet has a brass olive, which gives a metal to metal seat, no sealant needed then. Bruce indicated JIC uses UNF thread too. DASH 08 has 1/2” UNF thread (googled it). I do not know if the tank fitting is DASH08 or a other spec The bottom of it has an angle, to accept the olive. I would call your supplier tomorrow, he will be able to help you I think. Waldi Quote Link to post Share on other sites
iani Posted December 15, 2018 Author Report Share Posted December 15, 2018 It lives, new pump, filter, pre filter & shutoff valve all fitted, car running fine and a lot quieter. Thanks to all contributors for your assistance. Ian Quote Link to post Share on other sites
SeanF Posted December 15, 2018 Report Share Posted December 15, 2018 Great news Ian Quote Link to post Share on other sites
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