Quote:
Originally Posted by Derek UK
The smaller size of the inlet nozzle is largely irrelevant except at continuous full throttle. i.e. with the butterfly fully open. The taper also helps to quieten and control the flow. Check back to Mitch's thread where he opens up his filter. Once you have the back plate you can make an adaptor from thin sheet and have it spot welded on. (Solder, pop rivets and sealer as alternatives) Bolt the plate to the HIF. Weld nuts to match the 3 existing bolts to the new adaptor to hold the outer part of the filter to the inner. Shorten the bolts to suit. Make sure that your adaptor plate doesn't cover up any of the vacuum holes on the face of the HIF.
Pictures please. 😊
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Good advice as alway, Derek, thanks. Mind you, you'd be surprised how much continuous full throttle is needed in hilly Sheffield!