Banshee has no powerband! Help!

[broke350]

It sounds like only one cylinder is firing too. Do you have spark at both spark plugs? Do either/both plugs look fouled? Have you replaced the plugs to see if that helps? Definitely check compression.

[Cnelson47]

It sounds like only one cylinder is firing too. Do you have spark at both spark plugs? Do either/both plugs look fouled? Have you replaced the plugs to see if that helps? Definitely check compression.

I've been talking down to sheerider11 and we narrowed it down to a leak down test and some electrical test.

[Cnelson47]

I've been talking down to sheerider11 and we narrowed it down to a leak down test and some electrical test.

Yes I have replaced both plugs a few times

[broke350]

Cool. Most times it's something stupid simple. Good luck and post up if you find it.

[Ayesully810]

Yes be sure to update us when you find out whats going on with it 

[RIPPIN' IT UP]

Not being a smart ass or anything like that, but when you assembled it, were the pistons put in the right way?

 

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[hoppedupandcutdown]

Not being a smart ass or anything like that, but when you assembled it, were the pistons put in the right way?

 

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Good call, that has been known to happen more than you'd think.

[Cnelson47]

Not being a smart ass or anything like that, but when you assembled it, were the pistons put in the right way?

 

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Yeah that was brought to my attention yesterday. Im almost certain that they are in correctly, but mistakes happen. Im going to double check when I take my exhaust off for the leakdown test.

[Cnelson47]

Yes be sure to update us when you find out whats going on with it 

Will do. Thanks for the help!

[Larry's Shee]

If nothing else helps ohm plug caps separately, 5K , trim 1/4" off wires , install caps with dielectric grease. Clean nubs on the flywheel of rust, set pickup gap, .018"

Check that ALL connections are clean, tight, add dielectric grease. Grounds also !! Check ground at stator and stator plate to engine case, no white corrosion allowed.

[J-Madd]

What series pistons are in it?

 

I have seen that with the long rod 573 series pistons put on short rods. What is the squish?

[Ayesully810]

Any up date on this situation OP? Curious to find out what the dealio is

 

 

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[Cnelson47]

**UPDATE**

 

Sorry it took so long guys was waiting on a leakdown tester to come in the mail.

 

Long story short I did the leakdown test and found a major leak on my right intake boot which explains the popping etc. on the right cylinder. The boot itself looks old and dry rotted so I went ahead and ordered replacement ones.

 

I dont know if it will fix my problem completely, but it will surely help.

 

I will have more updates at the end of this week.

 

Thanks guys!

[Cnelson47]

https://m.youtube.com/watch?v=vpAWpA1rKXU

 

 

 

https://m.youtube.com/watch?v=FaR_wFY-lgY

 

These are a couple videos riding it. This is wide open. Leak was discovered and fixed. Any other ideas?

[J-Madd]

Is it running on both cylinders?

 

Like I said before, I've seen this when the wrong pin height pistons are used. Do you still have the piston box or receipt? Did you hone the cylinders? This is stock stroke, stock rod?