GH Sigma EFI 351 V8

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GH Sigma EFI 351 V8

Postby amgis_obrut » Mon Apr 13, 2009 9:14 pm

Ok this is a short thread about my G spec (thats G for granny) sigma that i got the other week its a 2.0l auto GH SE was bought new by the Uniting Church of Australia

Its in pretty good shape apart from a kicked in quarter and some daggy paint repairs

I dont have a "build plan" as such so i cant tell you exactly what im going to do with it (could end up with a 460 :lol: ) but i will let ya's know as im making it up

Heres a few pre molested pics

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Last edited by amgis_obrut on Tue Feb 04, 2014 11:27 am, edited 2 times in total.
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Re: G spec GH

Postby amgis_obrut » Mon Apr 13, 2009 11:18 pm

TUFSIG wrote:you gona put your Sig turbo rims on it aint ya ?


yep :D
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Re: G spec GH

Postby DanTurboLancer » Tue Apr 14, 2009 2:40 pm

G spec is great!
Leave the rear Venetians on
Maybe add a front windscreen Hood
And Lower Just slighty.
maybe add a Bowlers Hat to the Parcel Tray
Mad cruiser!

D
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Re: G spec GH

Postby amgis_obrut » Wed Apr 15, 2009 2:55 pm

just a quick update

Image
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Re: G spec GH

Postby amgis_obrut » Wed Apr 15, 2009 11:42 pm

i get the colour tomorrow so things will start to look better

it wont be so G spec by the time its finished
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Re: G spec GH

Postby A112H » Mon May 04, 2009 7:31 pm

Well?????????
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Re: G spec GH

Postby amgis_obrut » Wed May 06, 2009 7:26 pm

Galant_GT0 wrote:Well?????????

:lol:

have been working so much i dont even get to look at it
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Re: G spec GH

Postby psshhhht » Wed May 06, 2009 10:28 pm

man that's sweet, so clean. I wish my GH engine bay looked like that! ;)
I'm going to enjoy watching your progress! :)
looking to start an mechanical apprenticeship, if you know of anyone in Melbourne or Gippsland who's looking for a first year, let me know!
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Re: G spec GH

Postby psshhhht » Thu Jun 04, 2009 10:31 pm

hey man, been able to get any further with the G spec?
looking to start an mechanical apprenticeship, if you know of anyone in Melbourne or Gippsland who's looking for a first year, let me know!
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Re: G spec GH

Postby amgis_obrut » Wed Jun 17, 2009 11:01 am

psshhhht wrote:hey man, been able to get any further with the G spec?


just about to get back into it
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Re: G spec GH

Postby amgis_obrut » Wed Jun 24, 2009 4:16 pm

haven't really done much dont get time between putting a supercharged 460 into a 30 ford and reinventing a V8 lj torana so it runs 8's

all i have done is remove the tint and a little more body work plus i have got a my hands on something to squeeze some more life into the astron

will post up pics soon
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Re: G spec GH

Postby amgis_obrut » Thu Jun 25, 2009 11:39 pm

ok going to play around with fitting this little sucker to the astron

Image

Going to mount it up like a normal roots blower (like the supercharged zinger) and sit it on top of the manifold so will need a snout made up might just chuck a 350 holley on it as i have a few sitting around

Should be fun to see what it will do
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Re: G spec GH

Postby amgis_obrut » Fri Jun 26, 2009 7:12 pm

well mounting the sc14 looks like it will be fairly easy

Im going to cut the carb mount off the std 2.0l manifold and cut the top off the toyota outlet then tig it to the manifold this will allow me to bolt the blower to the manifold

I think the trickiest part will be making a drive coupling for the longer snout as it needs a spline cut but still no biggie

will mod an old 1" gilmer set for the pulley set up
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Re: G spec GH

Postby A112H » Sun Jun 28, 2009 2:47 pm

Looking forward to seeing how this turns out
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Re: G spec GH

Postby amgis_obrut » Sun Jun 28, 2009 4:28 pm

Galant_GT0 wrote:Looking forward to seeing how this turns out



manifold is done and the holley is bolted down just need to make the snout and drive coupling, drill the balancer to take a 13B gilmer pulley and find a belt

Its not meant to be taken seriously im only doing it for the fun of it
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Re: G spec GH

Postby amgis_obrut » Wed Jul 01, 2009 6:52 pm

well put the 13b gilmer pulley on the arsetron balancer

was just a matter of drilling a tapping 4 holes :D

Image

Image
Last edited by amgis_obrut on Wed Jul 01, 2009 7:30 pm, edited 1 time in total.
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Re: G spec GH

Postby GC75 » Wed Jul 01, 2009 6:54 pm

got no idea what im looking at but sounds fun lol
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Re: G spec GH

Postby DanTurboLancer » Sun Jul 12, 2009 6:07 pm

After seeing pics of your previous rides, I can understand why it didnt stay Granny Spec for long!
:lol:

Cant wait to see it when its done!
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Re: G spec GH

Postby amgis_obrut » Tue Jul 14, 2009 1:47 pm

not far to go

just stuffing around making a snout and idler pulley mount
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Re: G spec GH

Postby GC75 » Tue Jul 14, 2009 2:47 pm

cant wait to see how it looks ay once u get it painted :D
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Re: G spec GH

Postby amgis_obrut » Sat Jul 18, 2009 2:02 pm

ok more pics

still no snout yet but its coming :D

manifold still needs some die grinding and a bit of devcon smeared around the inside but its doing what its meant to do

painted it with wrinkle finish to hide some ugliness

Image

Image

Image

Image

Image

the lugs on the side of the SC will be cut off to give it a cleaner look and will be painted with wrinkle paint

Just need to find an X badge so it can be an SE-X spec sigma :lol:
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Re: G spec GH

Postby Cottees » Sat Jul 18, 2009 2:29 pm

It is looking pretty good. Will you be adding some bracing to the SC to support it? The Magna EFI needs support, I would imagine a SC would need it even more because of not only the weight, but the belt pulling on it. Interested in seeing how it all works out though.
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Re: G spec GH

Postby shuggy » Sat Jul 18, 2009 4:59 pm

this looks fantastic, i want one!
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Re: G spec GH

Postby amgis_obrut » Sat Jul 18, 2009 6:24 pm

shuggy wrote:this looks fantastic, i want one!



well go out and get one :D very easy to do so far though the snout will cost a bit

still it will be a lot cheaper than fitting a turbo and with the pulley ratio i should end up with about 10 psi and theres a bigger bottom pulley available for $85 and this on should give about 15-18 psi
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Re: G spec GH

Postby GC75 » Sat Jul 18, 2009 6:45 pm

nice looks good man
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Re: G spec GH

Postby shuggy » Sun Jul 19, 2009 4:46 am

amgis_obrut wrote:
shuggy wrote:this looks fantastic, i want one!



well go out and get one :D very easy to do so far though the snout will cost a bit

still it will be a lot cheaper than fitting a turbo and with the pulley ratio i should end up with about 10 psi and theres a bigger bottom pulley available for $85 and this on should give about 15-18 psi



where do i get one?? what car?
i should prob read up i bet it tells me :P
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Re: G spec GH

Postby psshhhht » Sun Jul 19, 2009 8:51 am

amgis_obrut wrote:
shuggy wrote:this looks fantastic, i want one!

still it will be a lot cheaper than fitting a turbo and with the pulley ratio i should end up with about 10 psi and theres a bigger bottom pulley available for $85 and this on should give about 15-18 psi


from a Sc12? From what I've heard and read about them, you'll basically start it up, drive down the road and it will go BANG. lol Hope it's not true though! Loving this concept! :D Good luck!
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Re: G spec GH

Postby amgis_obrut » Sun Jul 19, 2009 11:22 am

psshhhht wrote:
amgis_obrut wrote:
shuggy wrote:this looks fantastic, i want one!

still it will be a lot cheaper than fitting a turbo and with the pulley ratio i should end up with about 10 psi and theres a bigger bottom pulley available for $85 and this on should give about 15-18 psi


from a Sc12? From what I've heard and read about them, you'll basically start it up, drive down the road and it will go BANG. lol Hope it's not true though! Loving this concept! :D Good luck!



charger is an SC14 of a 1ggze the pulleys that drive it are from a gilmer set off a 13b rotary I currently have the smaller crank pulley but after i get it going and see exactly what boost i have i may go the larger pulley

I dont know about them going BANG as really the only thing that might fail would be the bearings but they are good quality and have a speed rating greater that what id ever spin them to

Theres plenty of sc14's out there pushing 12 psi on 3.8 commo engines so it should have no problems pumping 15 psi into a 2.0
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Re: G spec GH

Postby amgis_obrut » Sun Jul 19, 2009 11:37 am

shuggy wrote:
amgis_obrut wrote:
shuggy wrote:this looks fantastic, i want one!



well go out and get one :D very easy to do so far though the snout will cost a bit

still it will be a lot cheaper than fitting a turbo and with the pulley ratio i should end up with about 10 psi and theres a bigger bottom pulley available for $85 and this on should give about 15-18 psi



where do i get one?? what car?
i should prob read up i bet it tells me :P



ah yeah sorry its an sc14 of a toyota 1ggze can get them from most engine importers or ebay for around $300-$500
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Re: G spec GH

Postby amgis_obrut » Sun Sep 06, 2009 6:48 pm

meh
Last edited by amgis_obrut on Fri Dec 02, 2011 5:37 pm, edited 1 time in total.
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