some q's about the 5.3

[boonybouncer]

#1. Can you upgrade the intake manifold? If so what are the options?

#2. Can you upgrade the heads? If so what are the options?

#3. What else can you upgrade on/in the motor to give the little 325 some balls?

(Already have Procharger)

[01Thunder]

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then you wont have to upgrade your intake!!!!!
and you could just Port and polish your heads

[boonybouncer]

Already have a Procharger.

[01Thunder]

LOL
guess you will need another intake then.
I have heard that you cant get much better than the intake you allready have.
Apparently there is no diff. between the 6.0 and 5.3L intakes, except for the injectors.
and the fbody intakes dont flow as well as ours on the trucks.
but still you could get 20-30 ponies by P&P the heads

[01Thunder]

just noticed have you cammed it yet?

[boonybouncer]

No not yet. P&P the heads will definately happen, along with cam and tuning.
Why aren't there as many performance parts for the 5.3 as there are for most other engines?

Also, man the 5.3 is an ugly engine, it's so cramped together, and the intake is fugly.

[The_Mexican]

-LS1 or Flex a lite electric fans
-Comp 212/218 cam
-ASM headers
-Bigger Injectors
-N2O
-Shift Kit and servos
-Yank TT3000 torque Converter
-Nelson's Tunning
-BBK Throttle body

[boonybouncer]

No nos for desert.

I have
Ron Davis radiator with dual fans
Borla Headers
38 PPH injectors
BBK throttle Body

I need
Cam
P&P Heads
shift kit, servos, stall
tuning

[blown02]

patriot heads, i think there around 1300 for 5.3 heads and like 1800 for ls6 heads. You might want to look into getting lq9 heads. There 6.0 heads off the cadilacs. they flow better and theyll lower your compression so you can run more boost. i would go with a custom cam, im gonna run 220 224 @ .050 564 567 lift on a 115 lobe. You can run inkaes off camaros but they flow more for top end. You might want to look into the lsx manifold. Everything off camaos and 6.0s 5.3s and 4.8s is all interchanable.

[Scream]

While the LSX manifold will physically bolt to any GEN III motor, there are modicfications needed to the accessory brackets to make it work with the truck accessories.

The shorter car-style manifold puts the TB coming out right into the idler pulley on the truck accessories.