How much hp?

007GTAlloy · Feb 16, 2009

I am looking to get a CAI and tune,LT Headers, MAC Procamber and MAC Axel backs, FRPP cams, port and polished heads and and alumnium driveshaft.

How much rwhp and flywheel hp thanks.

NastyStang113 · Feb 16, 2009

What about UDPs and CMCVs? Who is going to do the head work?

007GTAlloy · Feb 16, 2009

Steeda UDP and FRPP CMCV delete plates

Five Oh Brian · Feb 16, 2009

You should easily get to 400 flywheel hp with that mod list. RWHP will likely be at least 340 if you have a manual transmission, or about 320 with an automatic.

chad9350 · Feb 16, 2009

What ya need to be askin' is what et? 60', 1/8, 1/4...

o0Dan0o · Feb 16, 2009

That depends heavily on the heads and cams used. Most people with Heads and cams and all the bolt ons are seeing 360 at the wheels (manual cars). Some with better packages are seeing 380. Some with just basic ported heads and mild NA cams are seeing 340. Just depends on which setup you use. Which LTs, the macs?
Dan

007GTAlloy · Feb 16, 2009

CNC Heads and FRPP cams.
What more w/out FI would I need for 400rwhp?
Thanks Justin

o0Dan0o · Feb 16, 2009

007GTAlloy said:
CNC Heads and FRPP cams.
What more w/out FI would I need for 400rwhp?
Thanks Justin

I have not heard of anyone getting to 400 RWHP without the book being thrown at it. Basically one of the new intake manifolds. That is really the upper limit of what's achievable on the stock shortblock, you'd need higher compression or more displacement to get much more.

I've only heard so-so things about the FRPP CNC heads (if those are the ones you have or are thinking of getting). And the FRPP cams aren't the most aggressive and wont give the most power.
Dan

NastyStang113 · Feb 16, 2009

I'd suggest getting the Livernois and a more aggressive cam profile if you want to go all out with a 281 N/A motor.

TGJ · Feb 16, 2009

If you are wanting 400 RWHP N/A you need:

- Minimum Stg 3 Cam
- Livernois Cam Phaser Limiters
- Stage 3 P&P heads
- New built engine with 11:1 Compression ratio
- ARH or KOOKS LT headers with X-pipe( Cats optional )
- C&L Racer CAI
- CMCV deletes
- UDPs
- Meziere Electric Water Pump
- GT500 TB
- Aggressive Tune on 93 Octane fuel
- Aluminum Flywheel
- Aluminum 1 piece Driveshaft

These above mentioned mods have gotten the 4.6L 3V to 406 - 419 RWHP on 5 spd standard cars. You are looking at about $10,000.00 for a combo something like this. No Auto N/A 3V has achieved 400 RWHP N/A yet.

With the mod list you presented, you should be in the 340 RWHP with an auto 355 RWHP with a standard.

Five Oh Brian · Feb 17, 2009

TGJ said:
No Auto N/A 3V has achieved 400 RWHP N/A yet.

Stock Auto 3V makes about 240 RWHP, so getting to 400 RWHP would be quite an accomplishment (160 RWHP improvement).

I have a mild, non-intercooled Vortech V2 supercharger on my 07 GT automatic and I'm not even close to 400 RWHP (351 RWHP on a Mustang Chassis Dyno).

UrbanRedneck · Feb 17, 2009

You'd make a lot more power with a better cam than the FRPP. But you don't need all that TGJ listed. There's a member on Moddedmustangs that made like 406, with I think stage 2 livernoise heads and stage 2 SPR comp cams. He had pretty much every bolt on still, but did not have an electric water pump or aluminum driveshaft. He did, however, use a $2000 one off JPC intake manifold.

Even so, to have 400 rwhp with a tiny engine like this, it will be at a very high RPM, and be very peaky and low on bottom-end torque. There's simply not enough displacement. If it's a race car, then fine, but if it's a street car you'll want to go with a stroker kit to get some more cubes, or forced induction. The FI would be cheaper probably.

o0Dan0o · Feb 17, 2009

Like Urban said

This is from a guy on another forum with
JPC intake
comp 127500 cams 535in 550 exhuast 229/236 @50 112lsa
livernios stage II heads
Kooks long tube headers x pipe
steeda cai with CF inlet
steeda UD's
steeda race delete plates
Stock drivershaft/flyweel/18inch rims/4.10s

He did have to rev it to 7k to get those numbers though, but still made over 360 ft-lb, which is very respectable. I think the intake is key to allow the engine to breath up to 7k, now imagine this setup with the stage III heads, a bored and stroked block (323ci) and 11/1 compression, that might make 500 RWHP.
Dan

007GTAlloy · Feb 17, 2009

thanks everybody really appreciate it

DiMora · Feb 18, 2009

That is a lot of parts, work, and money...why not just put on a supercharger and make 380-400 for sure? Takes a day and a half and you can do it all yourself except the tune.

NastyStang113 · Feb 19, 2009

DiMora said:
That is a lot of parts, work, and money...why not just put on a supercharger and make 380-400 for sure? Takes a day and a half and you can do it all yourself except the tune.

Some people like to be different.

UrbanRedneck · Feb 19, 2009

nevermind

blackgt460 · Feb 19, 2009

That's alot of stuff at once. It might be more enjoyable to do a thing or 2 at a time to see what you get each step. That's how I'm doing it and it's been fun at the track seeing real simple things improve the car. Either way good luck

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