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Just Another JY 5.3 Build......

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Old Apr 30, 2012 | 09:52 PM
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Arrow Just Another JY 5.3 Build......

I have been working on this for a few months now, i wasnt going to do a build thread but figured, why not......

Setup:

2001 Z28
2003 5.3
Spohn solids
LS6 intake
Ported stock tb
LS2 cam
LS6 springs
Flipped truck manifolds
32x13x4 Fmic
Homemade merge
Homemade DP (4inch)
44mm wastegate
On3 76mm .96

Trans:

Built RMVB Th400
FTI 3500 stall
BMR crossmember

Started out like this



Got the old motor out



New motor put together



All done and in the car



Now time to build the hotside, used truck mani's with v-bands welded on



Crossover/merge being made




Hotside pretty much done





Rad put back in




Also got the FMIC mounted




Bumper cut to fit the downpipe/FMIC




Pretty much how the car sits now



I still have a good amount of parts to gather up before i can turn her over.....
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Old May 1, 2012 | 08:47 AM
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Nice project and good progression
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Old May 1, 2012 | 09:22 AM
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Was there something wrong with the stock ls1?
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Old May 1, 2012 | 10:36 AM
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Looks good. Same turbo I will be running. I am anxious to see how it does.
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Old May 1, 2012 | 11:21 AM
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How's the exhaust fumes with that front exit on the turbo?

Tolerable enough for a street drive?
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Old May 1, 2012 | 04:11 PM
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Originally Posted by SPRAYED 01
Was there something wrong with the stock ls1?
The motor ran perfect before yanking everything out, I had already planned this build when I bought the car.....

Originally Posted by NoGo
How's the exhaust fumes with that front exit on the turbo?

Tolerable enough for a street drive?
I have driven a few cars with exhaust setups like this with no issues, little loud but that's something I'm used to.....
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Old May 1, 2012 | 04:50 PM
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My exhaust is the exact same way and on e85 I can't smell it at all and I street drive mine alot. Nice build cant wait to see some videos when its all done.
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Old May 1, 2012 | 04:53 PM
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So your just running this right out of the junkyard right? Stock head gaskets and hardware?
With the exception of the stuff mentioned above.
How much are you hoping to make with the on3 Turbo?
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Old May 1, 2012 | 05:23 PM
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Stock headgaskets/headbolts for now, although i have been thinking of throwing in some head studs just to be safe, as far as set goal im looking for around 600whp, should be plenty for the street.....
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Old May 1, 2012 | 05:45 PM
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We have the same power goals.
I was tossing the idea of head studs as well just to be safe. Looks good and finally a thread that I can follow with similar goals and I'm assuming your trying to make this budget friendly?
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Old May 1, 2012 | 06:02 PM
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Also subscribed!!!
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Old May 1, 2012 | 06:07 PM
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Very good fabricating job.
Should make some good power
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Old May 1, 2012 | 06:29 PM
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Why didn't you just use the 5.7 and not loose any cubes? For your level does the iron block really matter?
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Old May 1, 2012 | 06:43 PM
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niceee
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Old May 1, 2012 | 07:06 PM
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Looks good! Nice welds too!
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Old May 1, 2012 | 09:05 PM
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Originally Posted by alexcoreas
We have the same power goals.
I was tossing the idea of head studs as well just to be safe. Looks good and finally a thread that I can follow with similar goals and I'm assuming your trying to make this budget friendly?
I have about $3500 in the WHOLE setup including the purchase of the car, so yes I'm doing this on a budget.....lol

Originally Posted by SPRAYED 01
Why didn't you just use the 5.7 and not loose any cubes? For your level does the iron block really matter?
I didn't do it for the iron block, I did it because the ls1 had a good amount of miles on it, and for what I plan On doing power wise later on the ls1 wouldn't handle it.....
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Old May 1, 2012 | 09:45 PM
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nice build. looks just like what ill be doing...cant wait to see more progress pics...
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Old May 1, 2012 | 10:35 PM
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I'm going to order the coldside stuff this weekend, will post pics when I get it all done!
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Old May 1, 2012 | 11:00 PM
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I would'nt bother on the head studs for 600hp. My stock head gasket/bolt 5.3 is holding just fine at 690whp its got about 60 passes at the track. Never even retorqued them.
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Old May 1, 2012 | 11:48 PM
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Good to hear!

I'm more worried about valve float with the ls6 springs then I am about lifting the head.....
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