That looks familiar... I use a -8 (1/2") hose for the block vent at the fuel pump. That one needs a bit more volume.  Easy to tap out to a 1/2" hose barb. 
Don't worry, no oil will flow up hill to your breather tank.
			
			
									
						
										
						Will a HIF44 fit under the bonnet ?
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				Westfield 129
 - Posts: 882
 - Joined: Sat Jun 04, 2011 4:20 am
 
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				Daggers-xi
 - Posts: 57
 - Joined: Sun Aug 17, 2014 5:15 pm
 - Location: Sunny Hampshire UK
 
Re: Will a HIF44 fit under the bonnet ?
Jon,
Just finishing gearbox assy, due to first test fit engine-gearbox assembly next weekend if possible.
Daggers
			
			
									
						
										
						Just finishing gearbox assy, due to first test fit engine-gearbox assembly next weekend if possible.
Daggers
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				jonclancy
 - Posts: 1000
 - Joined: Tue Nov 01, 2011 9:30 pm
 
Re: Will a HIF44 fit under the bonnet ?
Daggers,
I've just had another look at your pic... You've got tons of clearance!!
			
			
									
						
										
						I've just had another look at your pic... You've got tons of clearance!!
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				Daggers-xi
 - Posts: 57
 - Joined: Sun Aug 17, 2014 5:15 pm
 - Location: Sunny Hampshire UK
 
Re: Will a HIF44 fit under the bonnet ?
Jan,
Petrol blanking outlet now 1/2".
			
			
									
						
										
						Petrol blanking outlet now 1/2".