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jtryon

New Typhoon owner questions

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jtryon    7

Hi All, I just bought a 2007 Typhoon C4 and am going through it this off-season and making it a surf monster.  I'll do a build thread as I get into some of the heavy stuff like 1600gph pump upgrades, converting Sideswipe to my own FAE, etc.  I do have some questions that I haven't found answers to though, so I'm hoping someone here can help.

1. I'm looking for replacement interior courtesy light covers--the oval ones that are in most Avys and Typhoons before/after the step-up into the bow, and in the rear center passenger seat.  The ones on my boat are hazy and yellowing, so I'd like to replace them with new clear ones.

2. Any spare parts that I need to keep onboard other than impeller and serpentine belt?  IAC valve (was done recently but I'll get a spare)?  CPS?  Are there any "common" failure points on the 330HP Black Scorpion that would be a quick fix on the water if I have the parts handy?  Is the starter relay an external part on these?  I had an '88 Supra before and the starter relay went out on the water once, so I always kept a spare after that.

3. I have the 1.46:1 vdrive.  What are people running for surf props at sea level on these?  I was going to go as low as possible--Acme 2227 which is a 13.25 x 12.5 pitch x .105 cup 4-blade prop, but I don't see many people running that in my searches.  There's also the more common Acme 1619 which is a 13.5 x 13.75 pitch x .075 cup 4-blade.  Is the 2227 overkill with the Black Scorpion and 1.46 v-drive?  I'll be running around 4000lbs ballast I hope.

4. The speedometer is very flaky and bounces around a bit at speed.  Not hugely important, but is this an easy fix?  I've heard on older boats that you need to blow out the tube attached to the speedo--same idea here?  It does also have the dial near the throttle to adjust the speedo to match the PP speed.

5. Anyone with good dual-battery relocation documentation?  I currently have a single battery but will add a second one along with the Blue Sea add-a-battery kit.  I want to get them as far back as possible but don't want them taking up space in the lockers since I'll have full ballast bags in there most of the time.  Or are the lockers the best spot?

Thanks in advance!

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Bigcatpt    396

Sounds like a fun project!  Take lots of pics.  

Does your Typhoon have the stepped hull in the rear corners or does the hull line go all the way to the rear?  

1. Try Great Lakes Skipper.  They carry a lot of parts for older Centurions.  

2.  I always carried an extra prop and prop change kit.  Also an extra fuel pump (the one that is easily replaced.  One of them is under the motor and not easy to get to), extra ballast impellers, and an extra fuel water separator.

3.  I had the 1:1 on my Avy so  I am no help on props for yours.  

4.  The speedo is probably a paddlewheel type.  They are known to wear out and not be very accurate.  They spin at a high speed while towing on the freeway and the bearings get hot.   They are expensive to replace.  If you have perfect pass you have what you need unless you just want both...they replace the paddlewheel assembly.  

5.  Most put their dual batteries in the observer compartment...not the rear lockers.  

 

Hope that helps.   

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jtryon    7

it doesn't have the stepped hull thankfully, from what i've read that went away in '06.

1. i checked GLS previously and didn't see the lenses.  they are a great resource for some other stuff i need though, thanks.

2. do you have a PN for the fuel pump?  can it run off of the front one in a pinch?  what's the life expectancy on them?  i will have an extra prop and prop kit, and extra fuel/water separator. 

4. PP works and is a paddlewheel not GPS--i didn't realize the speedo used a paddlewheel as well.  i will crawl underneath and figure out if there are two of them.

5. that makes more sense probably with the amount of space in that front compartment.

thanks!

Edited by jtryon

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Dillyrev    0

I love my 2003 and would love to keep her if I could get a solid goofy wave. any ideas how to improve wave with notched hull boat? I have tried ballast and shaper already.

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Bigcatpt    396

Glad it is not the stepped hull.  You would never be pleased with the wave with that.  

I don't have the PN for the fuel pump.  I sold that boat...and all the extra parts and documentation this summer.  It has a high pressure and a low pressure fuel pump.  One is also called the boost pump but I can't remember which.  They are different and can not be interchanged and you need both to run properly or at all.  Mine went out after about 14 years.  Don't let the tank run dry ever.  Bad for several reasons.... LOL

I had PP Stargazer GPS so I never worried about my crappy paddlewheel.  I would think that your speedo and PP would work off the same paddlewheel.  

Good luck!  

 

 

 

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Bigcatpt    396
7 hours ago, Dillyrev said:

I love my 2003 and would love to keep her if I could get a solid goofy wave. any ideas how to improve wave with notched hull boat? I have tried ballast and shaper already.

How is your regular wave?  The regular side will always be better on LH rotation props.  My 03 Avy had an amazing regular wave and a really good goofy wave.  

I have not seen even a very good regular side wave on the Typhoons with the stepped hull in the rear.  Let alone an even decent goofy wave.  

Unfortunately I think you are pissing in the wind with that hull.  

Sell her and get something different.   

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Dillyrev    0

Yes big cat, I think you are right. Now my next problem, deciding what boat I do want. Thanks for the reply.

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Bigcatpt    396
On 11/2/2019 at 6:39 AM, Dillyrev said:

Yes big cat, I think you are right. Now my next problem, deciding what boat I do want. Thanks for the reply.

Lots of options out there.  I spent most the summer boat shopping to upgrade from my 03 Avy to something bigger and newer.  I had a really good idea what I wanted and waited until I found the right boat at the right deal.  Figure out what you want and then go find it.  Best of luck!  

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jtryon    7
On 11/1/2019 at 4:22 PM, Bigcatpt said:

I don't have the PN for the fuel pump.  I sold that boat...and all the extra parts and documentation this summer.  It has a high pressure and a low pressure fuel pump.  One is also called the boost pump but I can't remember which.  They are different and can not be interchanged and you need both to run properly or at all. 

i did a little digging after you said that and the boost pump looks to be the one right off the fuel filter on the rear port side.  i will get a spare one of these and a spare tank pump.  thanks!

new question: what to check when the alternator isn't showing any charge at all on the dash?  the old one was pretty beat up but was showing a charge when we had it out on the water twice before winterizing, but the seller included a new alt which i just swapped in.  the old and new one stopped showing a charge when running off the hose in the driveway.  all wires to the alt are clean.

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Troy    212

Check voltage at the battery. Mine shows like 10-11 volts when running, according to the dash but the battery is getting 14. 

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jtryon    7

i can do that...in the spring ;)

it was showing between 12-13 at the dash the two times i had it out this fall, but now just registers nothing at all.  that's why i figured there might be an easy wire to check in the off-season.

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Troy    212

you can always turn the key on and then tap the gauge to see if it comes alive then. 

 

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jtryon    7

i found a friend who will make me replacement light covers on a 3D printer, so i'm all set there.

does anyone have a use for the stock muffler and sideswipe valves that came on these?  i pulled all that off yesterday in preparation to do my own version of FAE.

Edited by jtryon

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