[spadz93]

Hey all,

Long story short, sold my ZL1 and bought a Z06, but now have to sell the Z06 to put the money elsewhere. Looking to get into a gen6 SS (m6 car) so I still have a "fun car" but would be building it to get closer in power/performance of my older cars, just not sure where the brickwall lies on the LT1 platform. I'd like to go the procharger route, but want to make sure I can do things "safely" until I can do drop-in pistons/rods. Looking at the following:

-P1x kit (may do stage2 intercooler kit just to plan for the future)
-Camshaft with necessary valvetrain components (along with AFM delete)
-LT4 injectors and high side
-DSX low side aux (or JMS BAP)
-Flex fuel sensor
-Ported IM/TB
-Usual intake/headers
-Wider wheels and tires so the extra power is actually useful

Sorry if this has been beaten to death already. Is this going to be too much for the SBE to handle, pending pulley size on the P1x?

[Ericdared]

I thought about doing the same thing and after doing all the math it was cheaper just to upgrade to a ZL1 plus the ZL1 will be worth more. Maybe if you got a great deal on a SS that is ready for a rebuild it might be worth it. I had a new one so it didn't make sense.


One thing if you do this route you want to upgrade the pistons in the lt1 or at the VERY LEAST adjust the gap on them.

[spadz93]

Originally Posted by Ericdared

I thought about doing the same thing and after doing all the math it was cheaper just to upgrade to a ZL1 plus the ZL1 will be worth more. Maybe if you got a great deal on a SS that is ready for a rebuild it might be worth it. I had a new one so it didn't make sense.


One thing if you do this route you want to upgrade the pistons in the lt1 or at the VERY LEAST adjust the gap on them.

With the way my finances usually work, it makes more sense to build over time. All of those parts wouldn't be making their way onto the car all at once.

Plus, c'mon man, procharger noises LOL
(no, this is not the only reason I want to go P1x)

[WiggyB]

I can say there is a slight bit of enjoyment building your car the way you want it. Should I have just gotten a ZL1 from jump..... maybe but the joy I have building it exactly how I wanted it is priceless. With that said though.......get all the parts first and spend that labor cost (unless you plan on installing it yourself) 1 time. I did some of my build myself and some by RPM here in NC. If I had to do it all over again I would install everything myself and saved a few bucks.

[Joshinator99]

Originally Posted by spadz93

Hey all,

Long story short, sold my ZL1 and bought a Z06, but now have to sell the Z06 to put the money elsewhere. Looking to get into a gen6 SS (m6 car) so I still have a "fun car" but would be building it to get closer in power/performance of my older cars, just not sure where the brickwall lies on the LT1 platform. I'd like to go the procharger route, but want to make sure I can do things "safely" until I can do drop-in pistons/rods. Looking at the following:

-P1x kit (may do stage2 intercooler kit just to plan for the future)
-Camshaft with necessary valvetrain components (along with AFM delete)
-LT4 injectors and high side
-DSX low side aux (or JMS BAP)
-Flex fuel sensor
-Ported IM/TB
-Usual intake/headers
-Wider wheels and tires so the extra power is actually useful

Sorry if this has been beaten to death already. Is this going to be too much for the SBE to handle, pending pulley size on the P1x?

Looks fine. Tune is the key. Keep the boost reasonable and run as much E as your fuel system will let you run. Port injection is a better move than LT4 HPFP and injectors…

[KingLT1]

Imo it's counterintuitive to install a cam and not upgrade the rods and pistons. The engine is likely going to come out anyway and be torn down to the short block. Otherwise, the potential of the cam and supercharger will be limited by the stock pistons.

Imo it makes more sense to go right to port injection and run E85 with the stock cam and internals. You can safely make around 700whp on that setup.

[James Montigny]

Originally Posted by KingLT1

Imo it's counterintuitive to install a cam and not upgrade the rods and pistons.

This, exactly. I let someone talk me out of this and I regret the decision.
My pistons did not fail at 6PSI, but I am having a forged set installed while we have it open for cam/lifter replacement.
This way, (the fear of failed) pistons and rings won't be what limits my options.

[cjperformance]

You can easily make 1st, 2nd, and part of 3rd gear as well as the last 25% of your gas pedal travel useless before 40 mph w/o a cam

[spadz93]

I appreciate all the good input here. I guess when the time comes to do the cam, I'll also budget for the rods and pistons. Question, will the stock fueling handle the p1x on its own on pump gas, pending the pulley size? If so, i'd just install the procharger myself, then later on do port injection, and after that do the internals/cam. If the p1x by itself needs a bit of help on fueling, then I can revise my plan. I can only do one-ish big project each season, and don't want to spend on all the lt4 stuff if I'm just going to do port injection later

[cjperformance]

To summarize a lot.... yes the P1X on its own will require fueling upgrades. LT4 stuff will buy you time, but having traveled that route, just go straight to port inj.

[spadz93]

Originally Posted by cjperformance

To summarize a lot.... yes the P1X on its own will require fueling upgrades. LT4 stuff will buy you time, but having traveled that route, just go straight to port inj.

Seems like everyone is saying to just go port. Considering in a perfect world i'd like to be in the neighborhood of 700rw (with the help of E85 if necessary), it seems like port is worth looking into.

That being said, I'm having a hard time figuring out what all is required to do this. TooHighPSI seems to be thrown around a lot but there's no real "package" on their site that i'm finding

[cjperformance]

Originally Posted by spadz93

Seems like everyone is saying to just go port. Considering in a perfect world i'd like to be in the neighborhood of 700rw (with the help of E85 if necessary), it seems like port is worth looking into.

That being said, I'm having a hard time figuring out what all is required to do this. TooHighPSI seems to be thrown around a lot but there's no real "package" on their site that i'm finding

You'll need E85 to do 700 rwhp if you dont forge the bottom end. Im prob close, but running full E85. Havent blown it up yet, but I'm still trying

You can call THPSI. They are very helpful. In fact thats probably best. Theyll make sure you get the right stuff. You might want to consider an aftermarket intake with port inj bosses in them instead of the THPSI plates though. The plates arent cheap. They ARE top quality for what they are, but you can pretty much get whole intake for the cost of the plates.

I went with the plate package for simplicity, but if i did it over again, id prob do a BTR intake or something. I have a thread around here where i detailed the install process on my car. Lmk if you have questions. Youll likely need to put together your own fuel lines. They dont offer the fuel lines, or at least they didnt when i purchased my kit.

My thread has info on what you'd need to buy. If that thread is missing any detail just lmk.

[cjperformance]

https://www.camaro6.com/forums/showthread.php?t=613723