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    Misfire after 3k rpm ... need some help.

    I have a 400 sbc thats giving me some misfire after about 3000-3500k rpm... It will cruise at 3k just fine pretty much but when I give some throttle it just starts missing. Motor has about 50 hrs on it and it has a 750 eddy on it. Plugs are gaped at .35 using NGK V power and running around 9.3...
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    Does this hurt an outdrive?

    Does going slow to make a big wake hurt the outdrive at all? Just dont want to break any gears etc..
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    Read these spark plugs...

    Re: Read these spark plugs... There is a hard line connected from the carb to the gauge line... its an adapter. But your sure right on the weight savings... with heads , manifolds and risers... looking around 150-175lbs in the azz weight savings. :cool: I picked up the bassetts for 500...
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    Read these spark plugs...

    Re: Read these spark plugs... I appreciate all the info you guys have given me, this weekend I plan on getting some actual readings of ALL the spark plugs. Im going to grab a new set and install them on the water and do some WOT's and then pull them. I showed these picks to engine builder in...
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    Read these spark plugs...

    I pull a few spark plugs lastnight just for the hell of it. Its a 408 sbc. I didnt have time to pull the other 4 but from looking at these that i pulled... looks a little off. Whats your take? These are cylinder 8 and 6 These are 7 and 5
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    Outdrive Trim working backwards...

    Re: Outdrive Trim working backwards... Im working with this trim...
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    Outdrive Trim working backwards...

    Been fighting this for the past year now... and its been impossible teaching anyone how to drive the boat, also I dont want to get too use to this. SO.... like the title says the trim is working backwards for the outdrive. Ive already checked the hydraulic lines and they are correct in...
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    WOT boat handling issue...

    The problem I am having is when I am at WOT and the boat is properly trimmed out the boat tends to want to point kinda downward to the left... Understand that this is at 67-70 mph. This a weight distribution problem? Boat is a 89 Powerplay xlt 408 sbc (475hp) alpha SS
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    Leak coming from inner transom plate!?!? Pic inside.

    Why is there water coming out of this hole!? Never had a problem up til yesterday putting the boat back in the water. Only thing I have done different with the drive is put a outdrive shower on. This a bellows leak?
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    Freakin Oil in bilge and cant tell if its...

    Re: Freakin Oil in bilge and cant tell if its... Just thought I would give you all an update...Got the boat out of the water and cleaned up the bilge and laid down some of those oil pads. Looks like its the oil drain/ dip stick... Ill take care of it at the end of the season... not sure if the...
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    Freakin Oil in bilge and cant tell if its...

    Im having real hard time with this... I spent hours last night trying to figure out where this is coming from. The motor is a new built 408 sbc and its clean as a whistle. Looked all over the damn motor, all hoses for the power steering, trim and they are clean. I hate looking at my bilge...
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    Fuel Pump hurting performance??

    Sup guys, Im starting to put hours finally on my new 408 sbc in my powerplay, but now curious if I should upgrade my fuel pump from the stock 350 to like a Holley 712-327-11 (110gph). I am running a edelbrock 750 with aluminum heads and a xm262 cam. Would this give any more performance? Thanks!
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    Part of outdrive turning white... Pics inside.

    So I have a powerplay integra with a 408sbc with a alpha SS. I can tell that my drive is over heating a bit but not sure how bad. Should I be in the market for a drive shower? Would that fix the problem? I change my drive oil every 15-20 hours. I do run a 4 blade rev 4 that gets me 66-70mph...
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    Another Keel repair... gelcoat?

    Re: Another Keel repair... gelcoat? Thanks for the respones fellas... great feedback! A buddy of mine has a fiberglass guy who said he would take care of it for 100 bucks and would come out to my house and fix it... and he will include some other gelcoat chips i have on the upper deck by my...
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    Another Keel repair... gelcoat?

    So this is what the damage is... whats your guys take on repairing this job? From what I understand from what i know... Sand it, clean it, apply gel, wet sand it, buff it?
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    Pinstripe is not coming off... Help please!

    The pinstripe is 23 years old... comes off but the adhesive seems like its burned itself to to the gelcoat... goo gone, paint thinner is not doing it... used a heat gun for the top layer too... whats next? how do i get this off? Should i try compounding it off? I do need to do a full detail on...
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    Small riser gasket piece fell in manifold...

    Im replacing the gaskets on the manifolds for the risers.... and a few small pieces fell into the exhaust manifold. How should I get these pieces out or should I worry about it? Will they just blow out the exhaust when running it?
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    Whats this sound!?!? New Motor... Video inside

    I just got my 408 sbc running Saturday and Im getting this sound from it. Once its warmed up it goes away and if you give it throttle it goes away. I have good oil pressure and no misfires. Kinda baffled... Things that come to mind... pistion slap from short skirts, exhaust leak, lifter...
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    Homemade Shift Cable Mount Bracket?

    I am kinda in a pinch right and cannot get the acutal brackets for the shifter and my ignition in time for this weekend... So what I thought is I could just use a thin piece of aluminum and just cut it small and make the cut out holes that are required and use that for the time being... Would...
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    Best way to cover my 6x9 speaker holes

    Re: Best way to cover my 6x9 speaker holes Well... I bought new speakers... but they are 6.5's and they are going up high for better sound. I found some 1/8 inch pvc for sale at a plastics company down the road. Ill just cover them much with this and use the same screw holes so Im not making...
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