ForcedTQ

iTrader: (1)

Interesting that you say that, especially since the guy is building an engine for forced induction. The engine doesn't depend on valve sizes and naturally aspirated breathing (as much as a non-F.I.,) ability to make power. A thicker bore wall will add to durability of the engine in high boost conditions. Also, there is something to be said of combustion efficiency being greater in a smaller bore.

I don't see sticking with a 5.3 bore being a "really bad decision in every way", am I missing something? Just don't want to mislead the guy into thinking the 5.3 bore creates a "crap" engine that isn't worth a damn.

To the O.P., Federal Mogul also sells 5.3 bore (and over bore (.020 to 3.800") pistons under the "Speed Pro/ Sealed Power" brand name. I'm not sure if they are forged or the material you are looking for (as alloy properties vary i.e. - piston thermal expansion, durability ......).

FPSeth

Thanks for all of the replies, guys-
To answer your concerns about the hypertech- no I wouldn't run that with the Procharger.
Unfortunately this is the only kit (GM trucks 99-2006) that Procharger stills sells in which they don't support real tuning- the kit comes with an FMU, and that's it. That thing is already in the garbage, Siemens 60lb injectors are ordered and the HP Tuner is lined up.
I will be putting a Walbro pump in the tank too.

jophuss36

iTrader: (1)

Get rid of tht hypertech tune! Iwouldnt use a hypertech tune on a stock vehicle! Lol. For the price difference get a stret tune, and with your mods I'd even take it up a notch and. Get it dynoed.... I think that's the reason for your failure, your stock pistons should be fine withyour mods with a proper tune I would think..

Crap sorry. I missed your last post about not using the hypertech with the procharger

FPSeth

So here is my parts list, let me know if you see any fitment issues:

Eagle rotating assembly part#12900:
-Eagle 4340 crank (stock throw or maybe a stroker)
-H Beam rods 6.100" (maybe longer if I go with stroked crank) with ARP bolts
-Clevite rod and main bearings
-Mahle 3.900" forged pistons -16cc (i still have to do the calcualtions for C.R.- I want to be at 9.0-9.3 with stock cc combustion chambers)
-------------
-ARP LS1 head studs: 134-3609
-ARP LS1 Main studs: 234-5608
-Fed mogul oil pump: 224-43645 (I just read that guys are using the LS6 pump- so maybe I'll find that one)
-ACL cam bearings
-Crane cam# 1449571 (210/218 @.050, 531 lift)
-Comp cams spring kit with pushrods: 54100
-Lifters- ?? (don't have a part # yet)
-Fed mogul timing chain
-Felpro upper and lower gasket set CS9284, HS26191 PT-1 (any high performance headgaskets out there?)
-Heads will probably be ported with oversize valves by Parker Race heads

Anything I am forgetting?

Tuning:
-P1SC Procharger with 8lb pulley
-Deatchwerks 44lb or 60lb injectors
-Aeromotive FPR
-Aeroquip fuel lines tank to rail with fuel cooler
-Dyno tuning with HP Tuner
-Intank Walbro pump
-Back-up external Bosch fuel pump

I am only looking for 385-400 at the wheels with 400-425 ft/lbs and COMPLETE reliability.

Unfortunately the truck has a newly rebuilt 4L60 not a 4L80, but that is for another section of this forum...

fastnblu

iTrader: (2)

Cometic is a HP gasket maker. Is that Federal M. oil pump high pressure or volume? If I ever need beyond stock pump, LS6 will prolly get the nod, but that's me. Any others, I'd have to research. A bulletproof fuel system, huh?

budhayes3

iTrader: (19)

It is my understanding that the LS6 pump is the same exact pump that is used in the 4.8, 5.3 and 6.0 truck motors, so it wouldn't be an "upgrade", just a "replacement", if my sources are correct

fastnblu

iTrader: (2)

OK, I may've heard that, but I didn't know for sure. Therefore I'd hate to make an assumption & steer him wrong. I still don't, as your track record on "info" is a bit shaky lately. SLP ports a LS6 so that's 1 idea. I wanna say Titan makes that high zoot billet unit that looks like it'd be good enuff for ProStock but for our motors.

budhayes3

iTrader: (19)

Thanks for the confidence booster bud...

Yea, I think the whole "LS6 oil pump" thing is more of a marketing ploy than a real deal

fastnblu

iTrader: (2)

Here's the beast. I'm sure they're not cheap, but a problem on this end won't let me see. ( Mozilla probably is why)
http://www.titanspeed.com/content/pu...portwet01.html
http://www.titanspeed.com/content/pu..._prowet01.html

jg53

iTrader: (10)

anyone know a round about cost for a 5.3 bore to a 5.7 with a forged pistons etc? now i do not need a spot on number, if anyone has done this please chime in.