LQ9 370CI MS4 PRC 5.3 Build
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From: Orange county, ny
LQ9 370CI MS4 PRC 5.3 Build Well I found a cast iron LQ9 6.0 block finally ! !
So far what I have gathered is a
-6.0l LQ9 gen III 400$
-4.030" wisco forged -3.2cc pistons 700$
-callies compstar "I" beam 6.125" rods 700$
-ARP mainstuds 234 5608 215$
-Machine work and assembly 1273.16
Totaling 3288.16
Going with a TSP Magic stick 4 239/242 .649"/.609" Camshaft
PRC 5.3 stage 2.5 heads are going in. Forgot what CC i ordered
Intake will stay with the LS6 for the time being since my original schedule got bumped up by 6 months
Other parts
Tranzilla T56 from rockland standard gear
ls7 clutch
Spohn upper and lower control arms (still waiting to come in)
Spohn tubular k
Spohn Solid motor mounts
Rocker trunion upgrades
So far what I have gathered is a
-6.0l LQ9 gen III 400$
-4.030" wisco forged -3.2cc pistons 700$
-callies compstar "I" beam 6.125" rods 700$
-ARP mainstuds 234 5608 215$
-Machine work and assembly 1273.16
Totaling 3288.16
Going with a TSP Magic stick 4 239/242 .649"/.609" Camshaft
PRC 5.3 stage 2.5 heads are going in. Forgot what CC i ordered
Intake will stay with the LS6 for the time being since my original schedule got bumped up by 6 months
Other parts
Tranzilla T56 from rockland standard gear
ls7 clutch
Spohn upper and lower control arms (still waiting to come in)
Spohn tubular k
Spohn Solid motor mounts
Rocker trunion upgrades
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TECH Apprentice
iTrader: (8)
Joined: Apr 2009
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From: Orange county, ny
No
I have to still install the rear main, flywheel, clutch and pressure plate then trans before installation.
Engine stand has to removed for that. Waiting for the control arms come in before I put that suspension on the new K member
I have to still install the rear main, flywheel, clutch and pressure plate then trans before installation.
Engine stand has to removed for that. Waiting for the control arms come in before I put that suspension on the new K member
gotcha, are those pistons going to allow the prc heads to get along with that cam?
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Oh wow, your build is going to be practically identical to mine...TMS 370 LQ9, very similar cam, same heads, and LS6 intake. I'm anxious to see how yours turns out 
From what I understand my compression should be somewhere between 11.1-11.8 depending on what my 5.3 heads were milled to. Texas Speed is guessing they were probably around 61cc. I'm going with Diamond pistons though.
From what I understand my compression should be somewhere between 11.1-11.8 depending on what my 5.3 heads were milled to. Texas Speed is guessing they were probably around 61cc. I'm going with Diamond pistons though. LS1 Tech Stories
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honestly I bought the heads so long ago for this I don't remember what they spec'd out for me but CR was supposed to be around 11.3 I believe.
No clearance issues
I had a fast planned out for this build but the project was bumped up 5 months so for now it will just be running a ls6. If we see in the tune air is an issue it will be addressed
No clearance issues
I had a fast planned out for this build but the project was bumped up 5 months so for now it will just be running a ls6. If we see in the tune air is an issue it will be addressed
Will you also be dynoing on the same dyno that you made the 411/393? If so this will be very interesting as I made almost the exact same hp as you with previous build, and will be going to that same dyno when i'm done as well
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Damn I was not expecting to read that much negativity on the ls7. I May stick it in there for the time being just to get the car up and running.
Luckily they are cheap enough it's almost a throw away part. Pulling the trans is cake as well.
But thanks for pointing it out guys !
Luckily they are cheap enough it's almost a throw away part. Pulling the trans is cake as well.
But thanks for pointing it out guys !
