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 FGT supercharger swap project

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matt270avian
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matt270avian


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FGT supercharger swap project - Page 2 Empty
PostSubject: Re: FGT supercharger swap project   FGT supercharger swap project - Page 2 EmptyWed May 20, 2015 1:44 pm

He saw some guy on Facebook selling one off of a GTP and got jealous razz
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turtleman
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PostSubject: Re: FGT supercharger swap project   FGT supercharger swap project - Page 2 EmptyWed May 20, 2015 2:36 pm

mostly cost and fitment
I was kinda hoping edelbrock would get back to me about my inquiry on their generic TVS 1740 they had a flyer for a while ago at sema but that didn't happen. I see whipples on ebay and whatnot but I don't like how they are usually old obscure application kits that they want stupid amounts of money for. A guy I've been talking to is working on fitting a gt500 blower to a 3800 and that got me lookin around some more. I don't like how those blowers are set up at all - it doesn't work out so nice as the FGT blower aught to otherwise i'd go straight to the tvs version of that.
As a side note, I might be alone on this one but i think those harrop htv castings are just freakin ugly lol. It's a shame because the generic style 1900 I think would really be the way to go if you wanted to spend the money on it. Anyway those are still 3x more expensive than what I paid for the FGT blower taken off a brand new crate motor.
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turtleman
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PostSubject: Re: FGT supercharger swap project   FGT supercharger swap project - Page 2 EmptyFri Jun 05, 2015 4:23 pm

I'm holding off on going any further with the main adapter plate/ic business until I have a chance to see how much actual hood clearance I have and where it lines up the best for the belt. I'll have an opportunity to do that when I do my block swap in a couple weeks.

FGT supercharger swap project - Page 2 Plan%20b%20rev1
That's the current plan assuming I'm the ballpark for lining up the belt and also assuming I go the Ed LaBarge route with the intercooler. With the amount of work I'll be doing on it, I might as well make it all myself but I don't want to redo the stuff that has already been done and works. That green 2D model is a gen 3 blower by the way.

My intention is to take off the OEM pulley and fit a zzp/intense MPS hub to it. I don't know until I get the original pulley off but just by eye it actually looks like the same size shaft. Only thing is the pilot in the middle of the shaft you use to thread into and press on a pulley or hub isn't threaded on this blower, nor is it venting the gearbox - it's just a blind hole.
FGT supercharger swap project - Page 2 20150605_005112
The zzp modular pulleys should work really nice from what it looks like.


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The northstar flange is done basically. There was some minor revision but nothing worth fussing about.

James and I came up with the idea as a joke to just make a setup to run a northstar and an L32 electric throttle body together and hot-wire the L32 one to open up when the primary northstar throttle body is all the way to 100% TP. What killed the joke was everything in front of the throttle body. Even though they're both 75mm blades, the northstar has a 4" opening. The L32 has a 3", not to mention I still need to get a maf in there somewhere. I hadn't really gotten anywhere good with another solution so for shits & giggles I decided to hack up a L32 throttle body and see if I can convert it to a mechanical and to my genuine surprise I'm actually getting somewhere with that.

Behold the L32-northstar hybrid throttle body
FGT supercharger swap project - Page 2 20150604_231525
This is a bad picture (sorry) but the L32 tb has a kind of funky bore to it to provide finer part throttle control which makes sense since those cars don't utilize a discrete IAC circuit like the conventional cable throttle bodies. In any case the northstar blade even though it's just a tiny bit thicker seems to fine in there. I have the whole pivot shaft/throttle cable cam and everything in the L32 tb housing (after much hacking and machining).

FGT supercharger swap project - Page 2 20150604_231551
This is the side that was just blocked off with a pressed in plug. I removed the plug and then machined it to fit the northstar's spring retainer. I was doing all sorts of measuring and tricky b.s. with this just to find out that the existing bearing limits how far in I could machine the main step for the spring retainer and therefore the whole shaft assembly and it just happens to be at a depth that's pretty much perfect with respect to the throttle blade inside the bore.

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On the other end, I needed to cut the entire motor/gear/control unit right off and machine it to accommodate the northstar TPS. This involved the same kind of machine work as the other side but I also needed to make an adapter ring to mount on there since the housing didn't have the meat where I needed it to nicely mount the TPS. Plus, that gives me a piece I can alter for the tps positioning without messing with the rest of the housing. I will need to remake that actually because I was just a hair off with the clock angle of the tps but I was kinda figuring on that from the start.

Now I just need to come up with something for the return springs to hook on since obviously there's no such peg on the L32 housing, a throttle close stop, and I need to come up with something for the cable bracket. That will more likely attach to the flange that both throttle bodies will mount up to. So if this pans out, I'll have dual 75mm throttle bodies for this thing and it'll have totally factory-like part throttle manners. Dual 3" shouldn't be that bad to collect into a 4" pipe situation for the maf and intake.

This project is getting super fun!

and random time... (since I accidentally uploaded it to my photobucket and it's 2am)
FGT supercharger swap project - Page 2 Th_Snapchat-976752615057436981
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Karma
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PostSubject: Re: FGT supercharger swap project   FGT supercharger swap project - Page 2 EmptyFri Jun 05, 2015 10:19 pm

OOO! very cool. I like the whole multi-stage throttle idea.

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turtleman
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turtleman


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PostSubject: Re: FGT supercharger swap project   FGT supercharger swap project - Page 2 EmptySat Jun 06, 2015 2:33 am

James showed me a way to move the alternator. I guess they did this on erics riv and it worked well. Basically if you get rid of one of the heater pipes on the tensioner, you have room to swing the alternator back away from the blower. Then I just make a bracket or two to bolt the other points with similar to a normal zzp alternator relocation. That bottom alternator bolt going through the tensioner into the head is the most structurally important and this maintains it so that's awesome.

FGT supercharger swap project - Page 2 20150605_114447
I'm going to hack off that heater connection at the red line and then plug it off.

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Then I remove the factory plug from the end and put in my own fitting. I made a fitting to go in there and let the original heater pipe seat in just like it does on the original fitting. It will move the heater hose back and around just a tad so hopefully it works without trouble but I can play with it if it's a problem.

Only downside to this I see is it will make the rear spark plugs a bit harder to get to. I don't mind having to remove the alternator to do them but I just hope I don't need to disconnect a heater hose cause that would suck. I don't think it'll be that bad.
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charlieRobinson
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FGT supercharger swap project - Page 2 Empty
PostSubject: Re: FGT supercharger swap project   FGT supercharger swap project - Page 2 EmptySat Jun 06, 2015 3:04 am

I know you are one of the greatest gen8 Riviera pioneers to ever live, but..:
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damnjetski
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FGT supercharger swap project - Page 2 Empty
PostSubject: Re: FGT supercharger swap project   FGT supercharger swap project - Page 2 EmptySun Jun 07, 2015 4:00 am

I've been away for a bit, came back after my co-worker saw three gen8s in a row to check if y'all had inexplicably relocated to South LA... and saw this. Turtleman... just wow. Even with a 'smaller' throttle body, you're gonna be looking at some crazy gains. My question is, does it still count as a sleeper if it sounds like an F14?
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turtleman
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turtleman


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PostSubject: Re: FGT supercharger swap project   FGT supercharger swap project - Page 2 EmptyThu Jun 11, 2015 4:39 pm

The pulley adventures/maybe useful to people doing pulley swaps

FGT supercharger swap project - Page 2 20150609_001124
tapping the hole so I can use the puller tool

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Oh I had to make a special plate

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and this is about when I learned the FGT shaft is like 16 c-hairs smaller than the m90 shaft sick

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so i made a copy of a zzp/intense hub except with the bore to press onto my shaft

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and bam!

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Karma
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Karma


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FGT supercharger swap project - Page 2 Empty
PostSubject: Re: FGT supercharger swap project   FGT supercharger swap project - Page 2 EmptyThu Jun 11, 2015 10:31 pm

huh. You really wouldn't be able to pull this off if you didn't have the fabrication skills you do now. Feels good doesn't it?

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matt270avian
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PostSubject: Re: FGT supercharger swap project   FGT supercharger swap project - Page 2 EmptyThu Jun 11, 2015 11:49 pm

Looks like you'll have to machine the snout down if you want to go any smaller than that.
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Abaddon
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PostSubject: Re: FGT supercharger swap project   FGT supercharger swap project - Page 2 EmptyThu Jun 11, 2015 11:57 pm

matt270avian wrote:
Looks like you'll have to machine the snout down if you want to go any smaller than that.

Captain Obvious, ladies and gentleman..... razz

Awesome shit turtle. However, I can't help but to think that your heads are going to fly off with a pulley that small (on that blower).
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matt270avian
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matt270avian


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PostSubject: Re: FGT supercharger swap project   FGT supercharger swap project - Page 2 EmptyFri Jun 12, 2015 12:11 am

Abaddon wrote:
Captain Obvious, ladies and gentleman..... razz

Defender of the known!
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Karma
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PostSubject: Re: FGT supercharger swap project   FGT supercharger swap project - Page 2 EmptyFri Jun 12, 2015 12:43 am

Abaddon wrote:

Awesome shit turtle. However, I can't help but to think that your heads are going to fly off with a pulley that small (on that blower).

And then we will finally see what a CNC block girdle looks like...

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charlieRobinson
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PostSubject: Re: FGT supercharger swap project   FGT supercharger swap project - Page 2 EmptyFri Jun 12, 2015 2:35 am

I want that 2.7"!!!!

3.6" and 3.4" are on the way!
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turtleman
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PostSubject: Re: FGT supercharger swap project   FGT supercharger swap project - Page 2 EmptyMon Jun 15, 2015 11:34 pm

turtleman wrote:
FGT supercharger swap project - Page 2 Plan%20b%20rev1

It's looking like this is the way to go. With the mps now installed, The belt lines up. I didn't do anything real fancy to check it but by eye it looks perfect. For hood clearance, I basically just sit it on the existing 2.25" ic with 1/4" spacers under the blower as well and the hood closes fine. It seems like the biggest concern would be the throttle body area. It seems like I'm gonna have to situate the northstar tb upside down just like on the m90 now and maybe mill away that hump at the bottom (which will be at the top) for the vacuum nipples the older northstars/ls1 tb's have. Anyway the plan with the modified Ed I/C means I'm going to have a 2.375" tall core so we're looking good for that.

A couple side-by-side shots
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I don't even think it looks weird or anything. totally stock pimp

Thanks for hookin it up with the big pulleys Charlie!
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matt270avian
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PostSubject: Re: FGT supercharger swap project   FGT supercharger swap project - Page 2 EmptyTue Jun 16, 2015 12:05 am

Lets play a game. It's called "Guess How Long Until He Blows It Up Again" lmao
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Abaddon
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PostSubject: Re: FGT supercharger swap project   FGT supercharger swap project - Page 2 EmptyTue Jun 16, 2015 12:10 am

matt270avian wrote:
Lets play a game. It's called "Guess How Long Until He Blows It Up Again" lmao

Here's my thoughts on that...

Yes

Oh, and turtle, you realize that you're insane, right? I mean, we're all a bit insane, but, you sir....you're the king. bow
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charlieRobinson
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PostSubject: Re: FGT supercharger swap project   FGT supercharger swap project - Page 2 EmptyTue Jun 16, 2015 12:11 am

matt270avian wrote:
Lets play a game. It's called "Guess How Long Until He Blows It Up Again" lmao


Bro, with all due respect in our brotherhood, STFU.

Cody is a pioneer. We all need to be saying prayers and give blessings to this renaissance. bow bow bow

God speed, Turtleman usa

That 3.6" looks BEEFY
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matt270avian
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PostSubject: Re: FGT supercharger swap project   FGT supercharger swap project - Page 2 EmptyTue Jun 16, 2015 12:16 am

charlieRobinson wrote:

matt270avian wrote:
Lets play a game. It's called "Guess How Long Until He Blows It Up Again" lmao



Bro, with all due respect in our brotherhood, STFU.

Cody is a pioneer. We all need to be saying prayers and give blessings to this renaissance. bow bow bow

God speed, Turtleman usa

That 3.6" looks BEEFY

I'm not saying this isn't completely awesome in any aspect, but you know as well as I do that Cody pushes things beyond their limits like a true pioneer should. Obviously when these limits get pushed shit goes "kabloey"
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charlieRobinson
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PostSubject: Re: FGT supercharger swap project   FGT supercharger swap project - Page 2 EmptyTue Jun 16, 2015 12:17 am

NOT THIS TIME! LEAD THE WAY, TURTLEMAN!


IN TURTLE WE TRUST
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Abaddon
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PostSubject: Re: FGT supercharger swap project   FGT supercharger swap project - Page 2 EmptyTue Jun 16, 2015 12:37 am

It's either going to run 11's, or it's going "kablooey". 11's is what we're all hoping for though.
I doubt it'll explode. The amount of KR that it takes to go KABOOM is ridiculous. He'll know long before that point if it's too much blower.
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charlieRobinson
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PostSubject: Re: FGT supercharger swap project   FGT supercharger swap project - Page 2 EmptyTue Jun 16, 2015 12:43 am

Exactly. Anyone smart enough to mod the 3800 to accept an FGT supercharger is smart enough to scan and prevent catastrophic disaster. ...right?

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matt270avian
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PostSubject: Re: FGT supercharger swap project   FGT supercharger swap project - Page 2 EmptyThu Jul 09, 2015 4:54 am

Well it's been almost a month.... Where did you come from where did you go?
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turtleman
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PostSubject: Re: FGT supercharger swap project   FGT supercharger swap project - Page 2 EmptyThu Jul 09, 2015 5:12 am

matt270avian wrote:
Well it's been almost a month.... Where did you come from where did you go?


Doing my motor - see tortuga thread
Incidentally I'll be back to an L67 bottom end so it'll be begging for an oversized blower now.
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charlieRobinson
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PostSubject: Re: FGT supercharger swap project   FGT supercharger swap project - Page 2 EmptyThu Jul 09, 2015 5:31 am

turtleman wrote:

matt270avian wrote:
Well it's been almost a month.... Where did you come from where did you go?



Doing my motor - see tortuga thread
Incidentally I'll be back to an L67 bottom end so it'll be begging for an oversized blower now.

why no more L26?
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