5.3+76mm
5.3+76mm MODS ARE:
2007 lm7 5.3l iron block (9.5:1 compression)
317 heads
comp 918 springs
ls6 cam
mls head gaskets
ls7 lifters
ls2 timing chain
ls6 oil pump
underdrive pulley
comp hardened push rods
arp head and rod bolts
ls6 intake
dyno-tech 3.5 inch aluminum driveshaft
t56 rebuilt last year (2k miles)
stage 3 diamond clutch (2k miles)
10 bolt with 3.23 gears
bmr adjustable torque arm
yank torque arm relocation cross member
lakewood lower control arms and adjustable pan hard bar
subframe connectors
dual intank walb 255 fuel pumps
speed in fuel rails
turbonetics fuel pressure regulator
modular turbo hotside
76mm turbo
cxracing intercooler & piping kit
2 bar map sensor
60lbs injectors
6.0l exhaust manifods
turbowerks scavenge pump
hallman manual boost controller
RPS 50mm BOV
JGS 40mm wastegate
2x 12in pusher fans
battery relocated to trunk
mechanic boost gauge and aem wideband
3 in down pipe from turbo to CME tips through a magnaflow muffler
modular feed and drain lines with lsx oil feed block
I've just recently purchased this car and its currently at LMR for a tune and a couple odds and ends.
What I want to know is....if this was your car what else would you do to make it better? I plan on a water meth kit, snow performance? I am waaay new to turbo cars, so thanks for any advice you might have for a newbie to boost, thanks!!!
2007 lm7 5.3l iron block (9.5:1 compression)
317 heads
comp 918 springs
ls6 cam
mls head gaskets
ls7 lifters
ls2 timing chain
ls6 oil pump
underdrive pulley
comp hardened push rods
arp head and rod bolts
ls6 intake
dyno-tech 3.5 inch aluminum driveshaft
t56 rebuilt last year (2k miles)
stage 3 diamond clutch (2k miles)
10 bolt with 3.23 gears
bmr adjustable torque arm
yank torque arm relocation cross member
lakewood lower control arms and adjustable pan hard bar
subframe connectors
dual intank walb 255 fuel pumps
speed in fuel rails
turbonetics fuel pressure regulator
modular turbo hotside
76mm turbo
cxracing intercooler & piping kit
2 bar map sensor
60lbs injectors
6.0l exhaust manifods
turbowerks scavenge pump
hallman manual boost controller
RPS 50mm BOV
JGS 40mm wastegate
2x 12in pusher fans
battery relocated to trunk
mechanic boost gauge and aem wideband
3 in down pipe from turbo to CME tips through a magnaflow muffler
modular feed and drain lines with lsx oil feed block
I've just recently purchased this car and its currently at LMR for a tune and a couple odds and ends.
What I want to know is....if this was your car what else would you do to make it better? I plan on a water meth kit, snow performance? I am waaay new to turbo cars, so thanks for any advice you might have for a newbie to boost, thanks!!!
Last edited by therealthatguy; Nov 8, 2012 at 09:47 PM.
Get more out of it at the track or juust make it better, imo turbo cars are better off with a auto but youlll figure that out,stick is fun but if your planning on alot of racing auto is where its at,my caris a t56 car ,fun car but when i do a turbo the trans is getting swappped for a th400
What do you plan on running for fuel?how much boost?honest i would just get the car tuned and running, make changes as ya go,you can go broke trying to do everything at once lol,
REALLY?? I thought the 918's were more than sufficient for an ls6 cam.
But I didn't put it together and am new to 5.3's and turbos.
Don't have e85 where I'm at so it'll be pump gas(93), plan on running 15 lbs. bob I already have a 2000 Z with a th400 and my srt8 is an auto too so this one will rarely see the track, it'll be my Mexico car.
But I didn't put it together and am new to 5.3's and turbos.
Don't have e85 where I'm at so it'll be pump gas(93), plan on running 15 lbs. bob I already have a 2000 Z with a th400 and my srt8 is an auto too so this one will rarely see the track, it'll be my Mexico car.
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So which water/meth kit is good? If I change the springs what would I go to? Which 5.3 heads would be good? If I. Hangs the heads which gaskets? Ls9? Thanks guys, like I said I'm way new to turbos and 5.3's
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Launching!
Joined: Sep 2008
Posts: 234
Likes: 0
From: Ashland,VA
I dont think there is anything wrong with 918s especially with a ls6 cam.I have them on my close to .600 lift comp cam with no issues. I think he might be thinking about the older 918s that had an issue breaking due to impropper manufacturing i think it was but that was quite a few years ago. as far as im aware that problem is long gone. I wouldnt worry about them.
Lol ok i want quite sure. Well to answer his question boosted cars respond well to ported heads. The more airflow the better. $200 shipped. All valves are there and one exhaust bolt is broken off intothe head.
TECH Regular
Joined: Jun 2011
Posts: 420
Likes: 0
From: Milwaukee, Wi.
If you're going to buy the 706 5.3L heads, make sure they're not the Castech castings. They are prone to cracking. I read about the problem after I sent my heads to the machine shop, and I unfortunately have them.
TECH Regular
Joined: Jun 2011
Posts: 420
Likes: 0
From: Milwaukee, Wi.
Lol sorry bro, not all 706 heads are Castech castings. You can tell by looking for their logo inside the head, under the rocker assembly. It's a little box with a pointed side. If you google Castech 706 heads, it sould pull up more info.