starting a turbo build... need help
Aug 6, 2009 | 12:27 AM
#1
Thread Starter
On The Tree
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Joined: Aug 2004
Posts: 132
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From: Greenville, Texas
starting a turbo build... need help
So after research i finally decided, turbo time! Here's what i got:
'79 camaro with 4.11 gears, no a/c, no ps
5.3l/4l60e from a 2000 1500
706 casting ported and polished heads (will not be used on turbo setup)
yellow ls6 springs
1.85 comp rockers (will not be used on turbo set up)
hardened pushrods
ls1 oil pan
stock converter
hedman shorties
parts list:
241 casting ls1 heads (already bought ready for porting)
I figure the cr will be in the high 8 region because of the larger chambers
turbo manifolds (plan to flip the shorty headers)
cam (need help on a choice)
fmic
turbos
custom piping (not a problem; i'm a pretty good welder)
fuel pump
injectors
waste gate
bov
3500 stall
and a bad a$$ tune
misc...
thinking about getting this kit (had a lot of good luck with the ebay turbos with me and my friends hondas)
http://cgi.ebay.com/ebaymotors/87-88...Q5fAccessories
goal:
around 650hp
only want to run 8-10 psi cause its a stock bottom end
a good turbo cam with a nasty choppy idle.
I need suggestions on what cam, fuel pump and injectors i need to use. or if my goals are possible.
'79 camaro with 4.11 gears, no a/c, no ps
5.3l/4l60e from a 2000 1500
706 casting ported and polished heads (will not be used on turbo setup)
yellow ls6 springs
1.85 comp rockers (will not be used on turbo set up)
hardened pushrods
ls1 oil pan
stock converter
hedman shorties
parts list:
241 casting ls1 heads (already bought ready for porting)
I figure the cr will be in the high 8 region because of the larger chambers
turbo manifolds (plan to flip the shorty headers)
cam (need help on a choice)
fmic
turbos
custom piping (not a problem; i'm a pretty good welder)
fuel pump
injectors
waste gate
bov
3500 stall
and a bad a$$ tune
misc...
thinking about getting this kit (had a lot of good luck with the ebay turbos with me and my friends hondas)
http://cgi.ebay.com/ebaymotors/87-88...Q5fAccessories
goal:
around 650hp
only want to run 8-10 psi cause its a stock bottom end
a good turbo cam with a nasty choppy idle.
I need suggestions on what cam, fuel pump and injectors i need to use. or if my goals are possible.
Aug 6, 2009 | 12:38 AM
#2
Joined: Jan 2006
Posts: 16,282
Likes: 438
From: Huntsville, AL
Nasty choppy idle and good turbo cam are complete opposites, youll need to pick one or the other, and I suggest the good turbo cam since you are spending all this money on a turbo... the LS6 cam is a popular turbo cam.
Plan on nitrous? 650hp from a 5.3 is not impossible but its a stretch.
Plan on nitrous? 650hp from a 5.3 is not impossible but its a stretch.
Aug 6, 2009 | 12:40 AM
#3
my post dissapeared........ 
anyway,
like i said- Choppy idle and turbo dont go together.
Get ahold to Kbracing96 for a turbo or 2
and high 8 CR and only 8-10psi isnt goin to make all that much power.
im running 10psi and a 50 shot on my stock LQ4 with just a cam/springs/pushrods.
anyway,
like i said- Choppy idle and turbo dont go together.
Get ahold to Kbracing96 for a turbo or 2
and high 8 CR and only 8-10psi isnt goin to make all that much power.
im running 10psi and a 50 shot on my stock LQ4 with just a cam/springs/pushrods.
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Sep 2, 2009 | 10:33 AM
#9
650 hp.
60lbs with meth should do it.
Cam z06 seems to work fine for lots of people
8-10 psi I do not see you getting to 650hp. 500ish maybe depending on tune up and timing 12psi+.
60lbs with meth should do it.
Cam z06 seems to work fine for lots of people
8-10 psi I do not see you getting to 650hp. 500ish maybe depending on tune up and timing 12psi+.
