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  1. mxcobra

    Wrecked boat, repaired now problems with rpm.

    I am in Colorado not many prop shops here, the one we had closed shop maybe 10 years ago.
  2. mxcobra

    Wrecked boat, repaired now problems with rpm.

    Looks like iboats has A 13 pitch prop. But man I think top speed is going to suffer big. If I use that prop?
  3. mxcobra

    Wrecked boat, repaired now problems with rpm.

    Now I am wondering, If I could just switch out the gears from the old unit, to the new unit.
  4. mxcobra

    Wrecked boat, repaired now problems with rpm.

    Pulling my hair out here, haven't had the boat out much last few seasons. Because my launch and rpms are not acting right. First off I hit something in the water and destroy my outdrive. I replaced the out drive. with A used craigslist unit. It has V8 stamped on it. But with my old trusty...
  5. mxcobra

    Custom boat engine what should my rpm be?

    I have a custom boat, with a custom built 350. Long block is a new gm Goodwrench pre 85 350 has Volvo Penta manifolds, Edelbrock 4 brrl. 750 cfm DUI ignition bolted to a mercuismer out drive. Runs good but I want more. My auluminum prop now has a nick. It's a 19p full throttle with the 4 brrl...
  6. mxcobra

    why cant I get the right impeller for a 2015 9.8

    I have a 9.8 Four stroke Tohatsu I ordered 1 impeller from iboats my fault wrong one don't fit. So I ordered the supposed to be right one part number 3B2-65021-1 this one says its for 9.8all its the only one I can find that fits my engine, but it don't fit. will not slide down shaft. what gives...
  7. mxcobra

    I ran a ground and need some for sight on a repair

    Over the weekend I hit a rock, the scrape is small and under boat at tail end of transom area. (what ever that part is called?) I am thinking some thickend gel coat should take care of it or should I do somthing else? for repair
  8. mxcobra

    Dual fuel tank problems

    With my new motor im going to need some serious fuel. Drank down 6 gallons in no time. If I put tanks starboard and port on the gunwalls. If I run the out put fuel lines. dual into the fuel filter would it suck on both tanks at the same time and keep them evan?
  9. mxcobra

    How important is the power steering cooler

    I have about got it back together guys its as you may know the mercuiser 898 new gm long block frankenstein, Thing will go together alot cleaner and easier if I just take the power steering cooler out of the loop. Can some one tell me why I should not?
  10. mxcobra

    distributer modification worth it?

    Ok guys I boght one of theese bad boys to replace the old worn oem points distributers from the 70's http://performancedistributors.com/product/marine-dui-distributors/ The problem is this new DUI unite is huge, I aleady got lift the doghouse a little to acomadate for the new 4brrl carb . With...
  11. mxcobra

    what engine oil should I run in my new motor

    its a gm goodwrench base 190hp mated up to mercruiser modded with volvo parts, and 4 brrl carb.... GM says 5sae30 mercruiser says 30sa i heard guys here using 20 40 or something why not use Honda 10 40 sj like I put in the smaller four stroke outboard and motorcycle engines?
  12. mxcobra

    exhaust manifold questions here bolts and rust?

    My setup is modified,- when I put it together I used bolts on the manifolds (Volvo) Should I switch to studs? why do I see studs for mounting these? also taking it apart I found lots of rust in them scaled up, how could I flush out the cooling system periodically to slow or stop this?
  13. mxcobra

    my bell housing has a booger that im not sure about

    alpha bell housing near shift cable, their is like what seams to be a plastic part. It is cracked and was pulling away at the seem? I used a rubber hammer and smacked it back into place. is this some kind of insert or damage or what. could I fix with jb weld or am I screwed with this housing...
  14. mxcobra

    gimbal ring steering play problems but I got options.

    I have about 1/2 to 3/4 play in the gimbal ring pre alpha. But Luckily A while back I picked up a complete gimbal housing Alpha came of a v6 I have V8, It seems to mount up fine... The steering is nice and tight on the alpha ! should I go forward with using this other housing or try and repair...
  15. mxcobra

    holley carburetor wondering what to do next

    I got this bad boy on ebay, its not really what I thought I was getting ad said. Great performing Carb just needs cleaned. When I received it It smelled like very potent bad gas. I cant really find any info on it exept its a 750 cfm Holley. its missing the spacer so it dont fit my manifold. Im...
  16. mxcobra

    I need some help with soldering

    Hey guys this may be the right place to look. I cant solder wires to save my life, Plumbing pipes no problem. Wires big problem. I have a hand held solder gun with the trigger and replaceable tips. I can barely get the solder to melt and when it does it dont stick and coat the wire like it...
  17. mxcobra

    phase 2 of the 2050 remodal

    its been 5 years since i first got this boat on the water. wow time flies. then consider the 2 years it took to do all the stringers transom and glass. 7 years with this boat. just wow... anyway the tired old long block finally took a dump. its amazing the thing ran 4 years at only 70 psi a...
  18. mxcobra

    this looks like a good engine for a replacment

    its going in a mercruiser 898 this bad boy looks like it will do the job any thoughts.... http://www.jegs.com/p/Chevrolet-Performance/GM-Goodwrench-350ci-260HP-Engine-Packages/752506/10002/-1
  19. mxcobra

    bad dreams last night

    seriously though last night I had a dream. that fiber glass started to delam on my boat. I was just ripping big pieces off by hand, to expose missing and rotted stringers. Then I woke up
  20. mxcobra

    Can I get some likes for my stern view

    by the way a lot of hard work went into this sucker 4 years and still holding strong...
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