![]() Moving forward with 750 jugs, 750 cams and 810 Kit with 34Mikunis 14K miles, totally rebuilt from frame up. '77 Kz 650 with 700 Wiseco kit, ported heads, MAC Pipe, Pods, 14 tooth sprocket. Maybe I am wrong on this point.Īs I mentioned in the initial posting, the bike is to be used for short adrenaline rushes, city roads only when there is not chance of rain.Īny other input or comments would be appreciated. My main concern is plugging up the carb circuits or jets with tiny dirt particles which would likely end up in the float bowl bases before making their way into the heads. ![]() Now, the velocity stacks I am considering have a mesh filter to avoid sucking in small cats or Kleenex tissue fragments from my sniffling Honda 750 Interceptor friends I plan on beating and while the primitive filtration of the velocity stacks are not up to snuff compared to the modern oiled media type filters, they will at least offer some degree of large particle protection. (This set-up wasn't ideal for hammering it down old dirt roads while following another car kicking up dust!) My point in referring to this hood style that GM had designed this system knowing that some air was bypassing the filter. If I/m not mistaken, the cowl inducted air bypassed the air filter thanks to the bulge in the hood which funneled the outside air down and over the carb intake area. The belief was that the cooler air from outside of the hood was better for making power than the hot air from under the engine compartment. There was a rubber, cold air gasket that sealed the air breather assembly to the underside of the hood. Under hard acceleration vacuum from a carb line opened a solenoid which activated a flap on the back or cowl side of the hood. My very first car was a 1970 Chevelle SS big block with the factory Cowl Induction hood. I understand the ram air/supercharged or turbo effect of increasing the velocity and volume of air into the carb. Here is the link to the ebay item that got me started on this inquiry.Ĭgi./ebaymotors/VELOCITY-STACK-K.QQrdZ1QQcmdZViewItem Thanks guys for your input but I am still not quite sure on the risk/reward ratio but the velocity stacks certainly add a unique look to the intake side of the motor. Please Log in or Create an account to join the conversation. My final thought would be that the small increase in horse power would not be worth trashing an engine. This in turn will cause burning and deteriation of the valve.ģ) Contaminates may very well wipe out the rings and dust out the pistons. This is primarily due to the non use or use of damaged or substanard air filters.ġ) It will tend to cause excessive wear on intake valve stems and guides.Ģ) Small particles may adhere to the valve face resulting in loss of sealing. Over my many years of management and ownership of multi units of heavy construction equipment I have observed that the introduction of contaminates into an engine result in a number of problems. While it is well known that the lungs of residents of certain large cities are able to tolerate vast amounts of contaminates the internal combustion engine is not able to do so. Fell off without rider knowing it was gone.The following is my opinion, only, and is not set forth as any form of instruction or vast knowledge: ![]() Set screws were not strong enough to hold on for a 1/2 hour off road park ride. 5 Set screws are not strong enough to.They where to fit a Briggs animal stock carb but are way to big The velocity stack fell off my minibike when I was riding it. Posted by Christian Silver on 31st May 2021 ![]() Going to have to make modifications for it to actually hold. But not strong at all falls off all the time. Need to put blue loctite on set screws too keep them from backing out from all the vibration.įits on perfect. Not exactly perfect, but hey.it's a minibike, not a Harley.lol. Make sure you lock tite the 3 Allen screws, I lost the first one Posted by George Kavounis on 9th Nov 2021 5 Make sure you lock tite the 3 Allen screws, I.So i installed this adapter on my Vm22 and on the first run after 20 min or so i lost the whole filter and adapter after going back it was run over but the adapter was still intact i would just recommend atleast thread locker in advance /one of the 3 bolts came loose and that’s why it came off and i’m know i torque them down … Posted by chuck rodriguez on 17th Sep 2022
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