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One of the problems I have with HS2s, is there isn't any real nice velocity stack available, well any that are user friendly anyway. For the most part you have these backplate/frontpalte air fliter set ups, that have fastners runing inside air filter flow, and if you need to get in there and work on the carbs, you have to pull that whole abomination out of the way. What many of use racing twin HS4s on 1275 race engine in SCCA have doen for years is use the HS4/MGB factory velocity stack which is 3.5" OD, attach via counter sunk/bore fastners directly to the carb front and then run a universal K&N filter on the factory stack, the K&N filter has a rubber base that just slips over the 3.5 OD and is hel on with a simple clamp, which is supplied with the K&N cone filter. OK, with that being said I, in the last years made a batch of CNC radiused velocity stacks for the HS6 carbs, used very commonly oon the MGBs in vintage and SCCA racing, those all got gone like hotcakes, in the back of my mind I thought the HS2s guys need the same thing. It flows good, Vizard recognize this set up as the flowing shape and length, and in 2 secong you can pull the ait fliter out of the way, so no set up is more user friendly. Now I not breaking any ground here, I made some on-off before for the HS2, so has Huffaker, and many others, but it always seems these deals are done in short production runs, and when it done and there gone, thats it. Well the punchline is I'm getting ready to do a run of these, and anyone who may be interested might want a set would need to contact me.
In the photos below, I have Ray Mccalebs, freshly done HS2 set, and I'm holding the HS6 CNC stack we made up aginst one the carb throats, so a little imagination will be requires. What I want to do is have the ID of them made to match a stock unmodified HS2 carb opeing, and with the HS2, you have only one vent hole, so there will be fornt and rear units, and asl because of the threads in the HS2, we would counter bore for mounting hardware on the fornt, it would be the same 3.5 OD, so we could use the K&N Filter, which fit niocely in a Spridget's engine bay with no trouble, I have ran this set up on my race cars in the past. So here have a look, and,let me know what you think. I'm not really palnning on stocking these, so it's one of those things you get in on the production run or you may not get a set.
In the photos below, I have Ray Mccalebs, freshly done HS2 set, and I'm holding the HS6 CNC stack we made up aginst one the carb throats, so a little imagination will be requires. What I want to do is have the ID of them made to match a stock unmodified HS2 carb opeing, and with the HS2, you have only one vent hole, so there will be fornt and rear units, and asl because of the threads in the HS2, we would counter bore for mounting hardware on the fornt, it would be the same 3.5 OD, so we could use the K&N Filter, which fit niocely in a Spridget's engine bay with no trouble, I have ran this set up on my race cars in the past. So here have a look, and,let me know what you think. I'm not really palnning on stocking these, so it's one of those things you get in on the production run or you may not get a set.
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