FAST 102 or FAST 92 346/LS6 engine
FAST 102 or FAST 92 346/LS6 engine Ok...
I'm on the fence here. I initially wanted a FAST 92, but after looking at the cost, the FAST 102 is actually cheaper.
My delimea is....One day or if my motor blows I'm upgrading to the LS3.
Because of the expensive cost of these intakes, I'm considering re-sell value. I know the FAST 92 seems to be a better "re-seller", but the FAST 102 I'm told flows like a ported 92.
Do I compromise a few ponies to be able to re-sell it later? I have this feeling with the internet myths out there, re-selling a Cathedral 102 might be difficult....
I have an emission free 346, ported 243s, 228R cam, LT, true duals, Man trans.
Thoughts?
I'm on the fence here. I initially wanted a FAST 92, but after looking at the cost, the FAST 102 is actually cheaper.
My delimea is....One day or if my motor blows I'm upgrading to the LS3.
Because of the expensive cost of these intakes, I'm considering re-sell value. I know the FAST 92 seems to be a better "re-seller", but the FAST 102 I'm told flows like a ported 92.
Do I compromise a few ponies to be able to re-sell it later? I have this feeling with the internet myths out there, re-selling a Cathedral 102 might be difficult....
I have an emission free 346, ported 243s, 228R cam, LT, true duals, Man trans.
Thoughts?
I don't have an Intake at all....
I have a LS2 and a LS1 rail...I can go either way.
The stock ls1 fuel rails will not fit over the 102. You need the ls2 rails or aftermarket to make it work. And idk where this guy is getting only four horsepower but there is to many different combinations out there to put a number on it.. but ultimately the 102 intake brings more power in the end.
I have researched the install and seems the Fst 102 TB is the issue, I plan to run a 92mm
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The stock ls1 fuel rails will not fit over the 102. You need the ls2 rails or aftermarket to make it work. And idk where this guy is getting only four horsepower but there is to many different combinations out there to put a number on it.. but ultimately the 102 intake brings more power in the end.
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Fast 102 is cheaper? No. Easier to install? No. Gains over a 92 on a 346? Probably not.
Pretty sure a manifold is the same to install regardless of the opening size in the front.
Pretty sure a radical H/C 346 will benefit from having a 102 over a 92.
But hey, if it works for you it works for you.
If you are going to the ls3 set up later then just save your money. If you are really intent on changing your set up right now I would go with the 92 because you don't have to buy a new fuel rail to make it work.
If your going to run a 92mm throttle body then why would you buy a 102 intake, your not gonna get any more air into the intake just because the opening is bigger, the 92mm can only flow so much. I would actually think it would be bad, air would be rushing through the 92mm opening then get into a bigger area in which the air would slow down (less pressure), I'm not sure if that is how that works but seems like that would make sense....
102 is a better manifold. The actual internal structure of the manifold was changed, so it's not just the difference between a 92/102mm TB. I've seen as much as a 10rwhp/14rwtq advantage for the FAST 102 to 92 both with the same tune and a 92 TB...
That's not at all how it works...it doesn't matter if your tb is 4ft in diameter, the engine is only going to use what it wants. The 102 provides gains in the runners, not tb size.
so what your saying the 92mm throttle body (which flows about 1200 cfm), will make more power because its going into a bigger intake? I feel like your not getting any more air into that intake... The motor is only going to use what it needs, yes, but I feel like gains would be minimal, if any, on a 346 that doesn't have a massive cam and a nice set of heads. You would lose out on low end torque as well, no?
Unless your maxing out the tb, going to a larger one will not help, or hurt. The physical size of the intake opening has little to no effect on power, it's simply room to grow. Which is why 102 intakes are great for stock 346's to 450+ cube monsters.
