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  #21  
Old 09-13-2009, 01:35 PM
Steve Grant Steve Grant is offline
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Location: Denver, CO
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Default Re: Supercharged 345 Build

Nice work, I hope you will post a video of running once you get all your little things squared away. I bet it sounds really cool!
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  #22  
Old 09-16-2009, 03:21 AM
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cycomick cycomick is offline
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Join Date: Nov 2007
Location: Melbourne, Australia
Posts: 132
Default Re: Supercharged 345 Build

Thanks Guys. I have a longer gilmer belt now to try - it combined with the additional idler pulley should solve my belt wrap (or lack of it) woes.

Hopefully also will recieve my new injectors this week.
I am going to fit 14mm 36lb injectors from a supercharged Buick 3800.
They are the most inexpensive option available and a direct replacement for for the 18lb 14mm o-ring type injectors i'm currently using.

As soon as it's up and running i'll post some vid's on youtube!

Cheers

Mick
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  #23  
Old 09-17-2009, 08:21 AM
Paul Morgan Paul Morgan is offline
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Location: Dallas, TX
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Default Re: Supercharged 345 Build

Way to go Mate
That thing looks awesome
I don't know how many people I've heard go on and on and on
Blah, Blah, Blah
Nice to see someone finally do it
Cheers is right
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  #24  
Old 09-20-2009, 06:35 AM
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cycomick cycomick is offline
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Location: Melbourne, Australia
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Default Re: Supercharged 345 Build

Another long day today on the Scout.

Wish I could say the belt drive system is up and running, but it's not!

The good news is it's getting closer and closer.

This is what was found today.

1. The angle of the blower was slightly off in the east and west direction. Cut off the original brackets and re-welded in the new, slightly altered position. These gilmer belts seem to have very little tolerance for error, unlike v-belts!

2. The angle of the idler pulley/water pump was slightly off in the north south direction. This was in effect 'pushing' the belt across the pullies out of alignment. A couple of shims has corrected this for now.

3. The alternator bracket is weak and flexed under load. The bracket has now been strengthened and braced with steel supports welded across the width/length of the bracket back to the cast iron alternator bracket boss.

4. The lower tensioner was braced back to the alternator support bracket to gain further rigidity. This improved the belt wrap around the bottom alternator pulley and stabilised the belt when running.

After all of the above, the belt now run's straight and true, but unfortunately has not solved all problems......

It seems the belt wrap around the supercharger is not sufficient and under short sharp bursts of throttle is causing the belt to jump or slip over the supercharger pulley.

So, after a few good hours of sitting around talking about things with my friend Stu, we have decided to lose the lower idler pulley and fabricate another that will sit between the alternator and supercharger. This will give the supercharger just over 180 degree's of belt wrap.

Always learning!
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  #25  
Old 10-12-2009, 02:57 AM
alex85 alex85 is offline
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Location: new west BC, Canada
Posts: 103
Default Re: Supercharged 345 Build

Wow just checked out this post, wicked build any updates on how its running ? I love that small water to air intercooler idea in the fender beeing out of the way. i need to look at that on my turbo setup, because i don't think i have room for a regular air to air intercooler in front of the rad

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  #26  
Old 10-12-2009, 03:10 AM
alex85 alex85 is offline
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Location: new west BC, Canada
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Default Re: Supercharged 345 Build

Wow just checked out this post, wicked build any updates on how its running ? I love that small water to air intercooler idea in the fender beeing out of the way. i need to look at that on my turbo setup, because i don't think i have room for a regular air to air intercooler in front of the rad

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  #27  
Old 10-12-2009, 08:41 AM
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Goatee Goatee is offline
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Join Date: Mar 2002
Location: Beloit, KS
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Default Re: Supercharged 345 Build

Video! Video! Video!
Looks great.
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  #28  
Old 10-20-2009, 07:36 AM
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cycomick cycomick is offline
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Location: Melbourne, Australia
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Default Re: Supercharged 345 Build

Hey All,

Sorry for the delay in getting back to the build.
However, work over the last week on the Scout has been pretty extensive!

Have converted the SC drive to a 6 rib multi-V belt. I'm still retaining the gilmer drive for the water pump and alternator, and the regular v-belt for the power steering. Yes, that is three different belts!

Fabricating the new 6-rib SC drive took some nutting out. The tensioner, idler pulley and crank pulley are all custom made from scratch. The belt is off the shelf.

Have fitted some larger Bosch Motorsport 36lb injectors and they are now setup and ready to go.

Last night was it's maiden voyage around the block!! I setup the ignition timing ultra-conservative and fuel quite rich - just to be safe under boost. As it turned out, the SC bypass will need some modification as all the boost is being bypassed. Im working on that at the moment.

The only other issue currently is the noise.
It sounds like an air-raid siren coming down the road. NO JOKE!
I think this is mainly due to the pod type filter...
Something else to think about!

Alex85! That turbo install looks great!
Im envious of the space you have under the hood!

Hopefully will get some more work done on the Scout this week and will put some video of it up on youtube....

Cheers

Mick.



















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  #29  
Old 11-16-2009, 05:04 AM
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bmacguyver bmacguyver is offline
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Location: Devine, Tx
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Default Re: Supercharged 345 Build

any idea when some dyno numbers will be coming?

mac
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  #30  
Old 11-16-2009, 05:18 AM
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cycomick cycomick is offline
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Location: Melbourne, Australia
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Default Re: Supercharged 345 Build

Hey BMac, won't be for a month or so.

The initial runs revealed quite a few boost leaks here and there which on a supercharged application such as this means very low boost!

At least with a turbo boost leak the turbo just spins a bit harder to compensate, not so with a crank driven air pump.

Many of the areas that were 'gasketed' are now in the process of being machined to accept o-rings or a more positive type seal arrangement.

Also making improvements to the fuel delivery system, throttle body seals and bearings and the air induction of the supercharger has now been totally revised to keep noise down.
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