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steves86ta

  • Karma: +41/-0
Re: 1970 Weiman
« Reply #125 on: May 23, 2015, 09:29:04 AM »
Just gonna leave this here lol

 
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philofab

  • Karma: +1/-0
Re: 1970 Weiman
« Reply #126 on: May 23, 2015, 09:32:45 AM »
Where is that? It looks like my buddy Brian's Eliminator in the background.
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steves86ta

  • Karma: +41/-0
Re: 1970 Weiman
« Reply #127 on: May 23, 2015, 09:34:39 AM »
Where is that? It looks like my buddy Brian's Eliminator in the background.
My house lol

It's my dad's 1980 bahner
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steves86ta

  • Karma: +41/-0
Re: 1970 Weiman
« Reply #128 on: May 23, 2015, 09:38:55 AM »
Here's a front view
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capogniracing

  • Karma: +68/-0
Re: 1970 Weiman
« Reply #129 on: May 23, 2015, 09:43:32 AM »

Just gonna leave this here lol

 
sounds f***kn mean!!! 👍👍


"RTCP"
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steves86ta

  • Karma: +41/-0
Re: 1970 Weiman
« Reply #130 on: May 23, 2015, 01:33:52 PM »
sounds f***kn mean!!! 👍👍


"RTCP"

Thanks bud! You can hear it hit the rev limiter in the video. It's set at 4500 right now, but hits it Damn near instantly
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philofab

  • Karma: +1/-0
Re: 1970 Weiman
« Reply #131 on: May 23, 2015, 01:41:32 PM »
Thanks bud! You can hear it hit the rev limiter in the video. It's set at 4500 right now, but hits it Damn near instantly

It sounded really snappy. Does it have a stock cam?
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steves86ta

  • Karma: +41/-0
Re: 1970 Weiman
« Reply #132 on: May 23, 2015, 01:53:38 PM »
It sounded really snappy. Does it have a stock cam?
Nope It's a pretty healthy cam.

It's also 11.5:1 with 10.19dcr If I remember correctly.

235/242 .621/.592 on 111.

From Brian Tooley racing
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philofab

  • Karma: +1/-0
Re: 1970 Weiman
« Reply #133 on: May 23, 2015, 02:00:34 PM »
It didn't sound very stock so that makes sense. You get the oil filler adapter yet?
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MorePower

  • Karma: +20/-0
Re: 1970 Weiman
« Reply #134 on: May 23, 2015, 03:18:59 PM »
Sounds great Steve! Keep it up man.
  • Boat #1: 1974 18ft Southwind
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Mrblueeyesnick

  • Karma: +10/-0
Re: 1970 Weiman
« Reply #135 on: May 23, 2015, 03:30:03 PM »
Sounds good Steve


Sent from my garage drinking a cold PBR
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steves86ta

  • Karma: +41/-0
Re: 1970 Weiman
« Reply #136 on: May 23, 2015, 04:32:31 PM »
It didn't sound very stock so that makes sense. You get the oil filler adapter yet?
Not yet man. I'll let you know when I get it. Thanks again!
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steves86ta

  • Karma: +41/-0
Re: 1970 Weiman
« Reply #137 on: May 23, 2015, 04:32:58 PM »
Sounds great Steve! Keep it up man.
Thanks bud
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steves86ta

  • Karma: +41/-0
Re: 1970 Weiman
« Reply #138 on: May 23, 2015, 04:33:30 PM »
Sounds good Steve


Sent from my garage drinking a cold PBR
Thanks nick how's yours coming
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Mrblueeyesnick

  • Karma: +10/-0
Re: 1970 Weiman
« Reply #139 on: May 23, 2015, 04:36:28 PM »

Thanks nick how's yours coming
Slowly, just about done sanding, as soon as that's done it will be time to put the right stringers in, went and bought clear kiln dried Douglas fir today, so hopefully within the next few days I will have the stringers in. Then it's just reassembling everything. Still have a few things to buy.


Sent from my garage drinking a cold PBR
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steves86ta

  • Karma: +41/-0
Re: 1970 Weiman
« Reply #140 on: May 26, 2015, 11:20:43 AM »
It didn't sound very stock so that makes sense. You get the oil filler adapter yet?

got the adapter, thanks again man! I owe you a beer
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steves86ta

  • Karma: +41/-0
Re: 1970 Weiman
« Reply #141 on: May 26, 2015, 03:13:27 PM »
Not much to update other than ended up rebuilding another 750 for it since this one is screwed up somehow. The needle/seats are so far down that i cant even get the nuts on them and the float level is still to high.

It ran okay above, but this other one runs much much better.


I was setting the secondary Air/fuel mixture screws. But it was just way to loud between the headers.... Felt like i lost my man card so out came the Pink ear muffs. (Seriously it was painful and disorienting being the collectors are right at my ears and ear level)

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steves86ta

  • Karma: +41/-0
Re: 1970 Weiman
« Reply #142 on: May 26, 2015, 03:21:48 PM »
One of the things that make putting an LS into well anything is the MSD Controller. Literally all you need is a Cam Sensor and Crank Sensor. Thats it.... There are a few different boxes for different year LS Engines (24x or 58x reluctor wheels) but other than that. It is simply a plug and play deal...

Yes, you have some more wiring to contend with i.e. the coil harnesses, a map sensor harness (If you run one), the cam and crank harnesses. But what is cool is with the box you get all of the features you dont expect. Like a Rev limiter. Fully customizable timing tables, even a 2 step and launch retard (if going in a car). You can go as far as programming the timing based on the Manifold vacuum and what not.

And when i say plug and play... i mean literally that. Hook the box up. Plug in the sensors and hit the key. No distributor to make sure its right, no timing to dick with. My first fire was literally a half rotation and it lit off and idled (high but thats because the carb was set high).

My only gripe with the box is that MSD decided to use a serial cable for the computer connection. WHAT THE HELL MSD ITS 2015! Nothing i had at home has a serial connection. So i bought a USB to serial cable... yeah no dice either Windows 8 wouldnt let me roll over the driver that was already installed for the usb connection...

So i looked around asked some friends and i ended up finding this dinosaur of a desktop at my GF's house. And it has a serial port. So tonight ill be able to raise the Rev Limiter past the 4500 that its set to. And give it my timing curve... if you can call it that. 16@ idle then 36 at 1800 flat the rest of the way...



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steves86ta

  • Karma: +41/-0
Re: 1970 Weiman
« Reply #143 on: May 26, 2015, 03:37:05 PM »
One question i have for you all is i will be at 11.5:1 compression. I do plan on running 50/50 mix race fuel (probably AV Gas) and 91. Which will be fine. But if for some reason i need to get fuel on the water. I wont have an easy way of retarding timing...

One thing i was thinking of was to hook up the step retard that the msd box has and have it on a switch. So i can drop anywhere from 0 degrees to 15 degrees by the flip of a switch. Is this something you would do?

I plan on running nitrous on this engine in the future. And will use it for that as well. But im thinking if im somewhere and all ican get is pump gas or even worse 87 on the water would pulling say 10 degrees out be a good idea?
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philofab

  • Karma: +1/-0
Re: 1970 Weiman
« Reply #144 on: May 26, 2015, 07:04:35 PM »
With aluminum heads, the awesome combustion chamber designs an LS has, and unlimited cooling you should be able to get away with 11.5 to one and pump gas. An LS3 is 10.7 to one stock and that is designed to loads a low RPM which a jet boat won't really see.

I'd say a retard toggle switch would be a great idea but I'm not sure you will need it. Your cam and testing will determine what will work for ya.
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steves86ta

  • Karma: +41/-0
Re: 1970 Weiman
« Reply #145 on: May 27, 2015, 08:34:43 AM »
With aluminum heads, the awesome combustion chamber designs an LS has, and unlimited cooling you should be able to get away with 11.5 to one and pump gas. An LS3 is 10.7 to one stock and that is designed to loads a low RPM which a jet boat won't really see.

I'd say a retard toggle switch would be a great idea but I'm not sure you will need it. Your cam and testing will determine what will work for ya.

Thanks this seems to be the general consensus... after asking around a lot of people are recommending lower timing in the boat than a car. Like mid to low 20's. They also say i "should" be okay on the 91 as well..

After talking with a few of them, i threw a baseline curve in the thing last night. 16 degrees from 0-1000 rpm, then up to about 23 and then from about 3500-4500 down to about 21 and then back up to a total of 26 by 5k and then flat there on out to the 6800 rpm rev limit.

They recommended dropping timing down where the max torque will come in, obviously im guessing here. But i wanted to be on the safe side.

Lowest this thing will idle is about 850 which is fine with me. And at 850 its very very choopy and crackly. Sounds great. But i might crank it up to about 1k on the water... we will see

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steves86ta

  • Karma: +41/-0
Re: 1970 Weiman
« Reply #146 on: May 27, 2015, 09:26:57 AM »
So, since Friday ive been fighting a fuel pressure issue. I plumbed the fuel line in -8 from the pickups, to the separator, -8 from the separator to the pump, -8 from the pump to the regulator and then -6 to the rail. Should work out well and be plenty of fuel.

Well i plumbed the entire fuel system. Ran all the wiring for the pump (40A relay). Go to key up for the first time. (i still had not tested out my wiring harness i made... it worked perfectly woohoo!) Well everything seems to work. I have crank, bilge, fuel pump everything. But the fuel pump will not prime the system. So i pressurize a tank and it starts flowing fuel. But wont stay primed. I tried everything i could think of. Finally i figure it must be the shitty chinese pump i bought.

so i dig around in the tool box and find an old ass holley blue dot i have. I mean this thing is ancient, in my first rogers that i started on. I had bought that sleekcraft for parts (for those that remember) Yeah... it came out of that.  It was so old its back when Holley used to paint the entire motor Baby Blue.  It looked like this:


but i hook it up, and low and behold it works... starts puking fuel almost instantly. So i hook it up to the fuel rail and the gauge pegs, and the carb becomes a gasoline fountain. Well the shitty billet chinese regulator is crap also....

So i find another regulator i have this time a summit brand one. And get the pressure turned down. But the carb (the red one) is still a fountain. So i dick with it and manage to get the fuel level low enough to keep from spewing everywhere. But the needles are so far in that i cant even get the nut to grab any threads. at this point i decided to just rebuild the other 750 i have and run it.

But now the fuel pressure is all over the place, but below 7psi (max where i want it) The pump just cant stay fed. With my one gauge (a liquid filled gauge) it would frequently sit at 0 but the engine would run perfectly fine and not sputter or anything. I narrowed it down to being a bad gauge since two others were reading about 3psi-7psi. At this point i was like must be the pump its old cant be working correctly. So i figured i would buy a rebuild kit and try that before buying a new holley blue pump. (this will arrive today)

Well fast forward to last night all of the above was this last weekend.

I kept thinking about it all day and thought maybe the tank needs to be vented. So when i got home i started messing with it. Took the cap off, no improvement. Put the pump lower in the boat, no improvement. Had an idea, since im running the fuel rail "upside down" and "backwards" i had to drill and tap it for my fuel pressure gauge. Maybe the threads arent deep enough and thats why the gauge is reading oddly. So i put another gauge in the original psi gauge hole... Nope still the same, this time for both gauges.

This entire time ive been running it off of the passenger or right side tank. So i hook it up to the left or driver side tank and bam 5.5 psi and rock solid. Running or not. FYI the summit regulators are noisy as hell.

Now the weird part.... I figure thats fine, so i hook my separator (thank you h20nut21bahner btw) back up and all of the fuel lines so i can start cleaning everything up and tidying the wires/lines up as well. Key on and have low pressure about 2psi until the separator filled up and then back at 5.5psi running off of the left side tank. I switch over to the right side tank and no change in pressure. Shut the key off let the pressure bleed off key up and rock solid 5.5 psi. Let it run for about 35 minutes... Still a rock solid 5.5psi on the right tank. Maybe a piece of debris was stuck? Maybe an air bubble that popped in the separator? I dont know but ill keep an eye on it.

So after all of that, i got the tuning done (see the above post) I started on cleaning up the wiring, hoses, and getting ready for everything to go back together.

Another thing MSD did that drives me up the damn wall, is they put the harness in Plastic Conduit which is fine... but they didnt cover all of the harness. and thats annoying as hell. So last night i went and electrical taped where you could see the bare wires. Along with the wires i added for the temp and oil psi senders.



I still need to get some wire hangers or whatever they are called for the water hoses and get them buttoned down. But its cleaning up nicely.

Im pretty sure this pump is fine so im going to run it. The rebuild kit will be here today, so ill clean it out and put it back together. I went ahead and cleaned up the motor on the pump since i hated the baby blue that was on there. And painted it with some of that Metalcast paint in Blue. I like the way it came out



Today, the rebuild kit for both the pump and a holley regulator i have will be here and i can get that stuff squared away. Then start (hopefully) permanent installation of the pump, lines, and regulator. Then move onto the wiring at the front of the motor. Finish up my steam lines (the line for that will be here today also) and get the bungs welded in the headers.

I got a 1310 drive line from 88carerra it needs to be rebuilt so ill start on that. Its missing the straps for one of the ujoints, and need to replace the ujoints.

I also need to heat and bend the headers up a little bit. But i don't have a torch. My dads work does, so worst case scenario ill pull the headers off (thank god remflex gaskets are reusable) and take them down there. One side only need to bend a little bit, the other side more but should be relatively easy.

then i can re-paint them and mount them up.

then all i need to get this bitch wet will be a PTO and bolts!

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steves86ta

  • Karma: +41/-0
Re: 1970 Weiman
« Reply #147 on: June 01, 2015, 08:09:26 AM »
But I've been really thinking about this and have decided to dump them into the collectors of the headers.
Since my headers will be dry, this will make them look like they are injected and hopefully keep the cops off my back.

Do NOT i repeat DO NOT do that above... Ask me how i know...

I welded the 1/8" bungs into the headers and made my -4 AN lines for the steam lines.


Looked great, everything worked fine so i fired the boat up. Let it idle a few seconds then turned the water on. It was working exactly how i thought it would. Nice and steamy. WELL and this is 100% my fault. Apparently when you have a Cam the size of god it doubles as a shop vac. The engine ingested a LOT of water. It hydrolocked.

So i pulled all 8 plugs, pulled the headers off, and cranked it over, it was like Niagra Falls coming out of this thing. So much water it was sickening.

Did one oil change and then fired it up. After 2 oil changes the oil looked like this





So i did 2 more oil/filter changes and the oil cleaned up a bit but never came out good. the engine has perfect oil pressure and no noticable knocking But its so damn loud i dont know if id be able to hear it. After sitting around yesterday i decided to pull the engine and pull the pan.



There is still a lot of water in this thing. But no metal or copper. And thats a very good thing.

The bearings look a little bit torn up. The mains look the same way they did when i had it apart last time. (i re-used the main bearings last time) But the rods are kind of beat





so if the rest of the bearings look like these. Im going to replace the Rod bearings and its goign back together. After i manage to get all of the water out as well

Man this shit sucks...and its 100 percent my fault. I should have known better :'(
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philofab

  • Karma: +1/-0
Re: 1970 Weiman
« Reply #148 on: June 01, 2015, 08:13:44 AM »
You have that much reversion that it pulled water from that close to the end the exhaust?  That doesn't seem right.
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steves86ta

  • Karma: +41/-0
Re: 1970 Weiman
« Reply #149 on: June 01, 2015, 08:19:32 AM »
On the other hand, i found my fuel problem. I knew something was wrong with the right side tank, so i cut it out Saturday morning. Blade tools are awesome for this

Got the tank out and started looking at it, and found the pickup tube was cracked.



Rode the bike out to G&J and they made me a brand new one in Stainless for 17.00

Got the tank glassed back in, painted again... and then cleaned the boat up. Washed it for the first time since ive owned it haha










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