Sorry no can do. If you set about the job expecting that you’ll end up probably taking the engine out you might be pleasantly surprised!
Had another look today. Unfortunately the bolts on the fan housing are not on slots. Gave up the ghost and put it all back together . Good news, it started first time…….well second after I’d put the hoses to the fuel pump the right way round
Photo of the offset box my mate made me to get around the conundrum of attaching the air hose, works well, hopefully will also accept the s/s air tube which , whilst not bendy is tough
This is my pie cut n weld stainless adaptor... Through tinware at top, right hand heat exchanger input at bottom..