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replacing air box w/ individual K&N filters
- bluferno
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- fochtup1
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my 2 cents
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- TeK9iNe
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- What did you do!?!
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Then just slap the pod filters on and start rejetting.
Use a Dyna jetkit!
GL.
Motorcycle Shop Owner/Operator
79 Kawie Z1000 LTD
81 Kawie Z1000 CSR
83 Honda VT750C A
85 Kawie GPZ900 A2
86 Zukie GS1150 EG
93 Yamie XV1100 E
Lucky to have rolled many old bikes through my doors
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- bluferno
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- pusher
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Then just slap the pod filters on and start rejetting.
Is rejetting a must if you use pod filters? I just posted a new thread but ran across this and thought I would ask. I have pod filters on my bike, and am having power issues in the mid range. Do I need to rejet to get better performance?
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- H1Vindicator
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- loudhvx
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No. Those are not crankcase vents. They are air injection ports that go into the exhaust system at the head. They only allow for more burning in the exhaust pipe to get rid of un-burnt gases by allowing fresh air to get sucked into the exhaust.I've already rejetted stage 3 Dyna but another question is are my carbs which are off a 83 Spectra,vacuum activated? If I just cap off the cover breathers isn't that bad? Shouldn't I still vent those?
I think it runs better without it, and when it's malfunctioning, it will cause backfiring.
Just cap the ports or go port-to-port with a hose, as was suggested.
bluferno wrote:
They are absolute manifold pressure tubes, AKA full-vacuum tubes. Don't leave them open at the carbs. Cap them off. The contraption above the engine can be removed then.Wht about the vacuum tubes that come off the air valve and connect to the carbs,any ideas?
1981 KZ550 D1 gpz.
Kz550 valve train warning.
Other links.
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- 650ed
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What the heck... A great article on the addition of "pods" - In Search of Free Lunch
Nice try and great article, but it's like trying to stop someone from jumping off a bridge. Once they're convinced it will improve their situation there's no stopping them. I'm simply amazed at the successful marketing power of the pod industry in light of the fact that their product has been proven to be nearly always detrimental to performance. I guess each buyer expects to be one of the 1% that doesn't lose performance. Ed
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)
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- Old Man Rock
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1976 KZ900-A4
MTC 1075cc.
Camshafts: Kawi GPZ-1100 .375 lift
Head: P&P via Larry Cavanaugh
ZX636 suspension
MIKUNI, RS-34'S...
Kerker 4-1, 1.5" comp baffle.
Dyna-S E.I.
Earls 10 row Oil Cooler
Acewell 2802 Series Speedo/Tach
Innovate LC1 Wideband 02 AFR meter
Phoenix, Az
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- loudhvx
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However, I do also notice the expected less pulling power from a dead stop. It's also less friendly when riding a passenger.
Whether the tradeoff ends up in a faster 1/4 mile or not is unknown. But that's not why I use them. They make the bike "feel" more alive. I ride it for fun, not racing, so does it matter whether it goes faster in a 1/4? No. It's just more fun to ride, and probably gives a higher top speed.
That said, I also keep the airbox on my other two bikes because they can take passengers.
Just because they don't make every bike faster, does not mean they make all bikes slower.
That's where it differs from the relay mod. The relay mod works, but is not any better than fixing the real problems to begin with.
Oh, but I should add, I stay away from K&N and UNI pods. I only use the disposable Emgos because they are far less of a headache, not to mention they don't gouge the hell out of your wallet.
1981 KZ550 D1 gpz.
Kz550 valve train warning.
Other links.
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- jarhead74
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1978 kz650b
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