Yes the 13-14 GT500s are the best ever madeI think we used to have a thread like this, but lots of active early owners are gone and many new excited owners of the baddest GT500s made.
Post up a recent pic of your beast.
Here's mine from a June Cars and Coffee:
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Whose next?
-J
I think she'd look better with a Gen5 3.0 Whipple lol.
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Dude........Its calling you! KB all the way!I think she'd look better with a Gen5 3.0 Whipple lol.
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That engine pic was from KB site. Not my engine. I do have the exact setup thou in the SS. I'm nudging @2011 gtcs to go KB. Whipple makes a great SC but can't touch a KB SC whine....You can't go wrong with either. Both are badass American made products.Killer setup, @Vinnie_B. Well done! That intake looks ready to swallow squirrels and stray cats. LOL.
I'm probably going to pull my Gen3 TVS and put it up for sale this summer, once it sells I'll grab a Winkle blue 3.0 whipple
I want a 4.2KB, but I don't really have the extra cash for a new hood, plus paint, I'm still pissed my 1000 hood was a bust.Dude........Its calling you! KB all the way!
That's mustang Mannys engine bay, his GT500 is absolutely nuts, he has a 4.7KB nowThat engine pic was from KB site. Not my engine. I do have the exact setup thou in the SS. I'm nudging @2011 gtcs to go KB. Whipple makes a great SC but can't touch a KB SC whine....You can't go wrong with either. Both are badass American made products.
If I had a super snake I would do a 4.2KB.Gen 6 3.8 vs LC 4.2?
Tough decision I’ll eventually make but for now the TVS works!
-J
4.2KB would be my go too as well.Some nice looking cars in these last few posts
Ya know you want to go KB 4.2L J........just think of all of that power potential
I've been going back and forth on whether to upgrade to a 4.7. What is my reasoning for this? Right now to achieve 2580 CFM of air flow out of the 4.2L it needs to turn 17400RPM at 7500 engine RPM. I'm hoping this nets enough airflow for 1500Hp. This SC RPM requires a 15% overdrive lower with a 3.5" upper. Now the interesting thing is this and what makes me think a 4.7 might be a better choice for my application. The 4.7 can produce 2536CFM using the 15% overdrive lower with a 4" upper at 7500 engine RPM and 15281 SC RPM for very close to the same CFM output.4.2KB would be my go too as well.
....................Logical choice, considering the cam cover color..I'm probably going to pull my Gen3 TVS and put it up for sale this summer, once it sells I'll grab a Winkle blue 3.0 whipple
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Your knowledge always blows me away lol, I enjoy how much you go into detail on everything.I've been going back and forth on whether to upgrade to a 4.7. What is my reasoning for this? Right now to achieve 2580 CFM of air flow out of the 4.2L it needs to turn 17400RPM at 7500 engine RPM. I'm hoping this nets enough airflow for 1500Hp. This SC RPM requires a 15% overdrive lower with a 3.5" upper. Now the interesting thing is this and what makes me think a 4.7 might be a better choice for my application. The 4.7 can produce 2536CFM using the 15% overdrive lower with a 4" upper at 7500 engine RPM and 15281 SC RPM for very close to the same CFM output.
Now the question is this..........does it take less Hp to turn the 4.7 slow(15281) versus turning the 4.2 close to maximum SC RPM(17400) for the same amount of airflow?
Now the next question is this...........will the168mm Mono-blade Throttle Body which has a flow rating of 2150 CFM limit the total airflow of either SC to the point that it really doesn't matter which SC to use?
Now my third big question is this............will the extra rotational mass of the 4.7 turning slower hurt torque and Hp output versus a 4.2? This question is very similar to the first one.
The answers really come down to which SC takes less energy and is more efficient to turn for the same airflow output. My thoughts are this, when you eliminate the Throttle Body question I believe the 4.7 would have the advantage. Now the other advantage to the 4.7 is it gives you the ability to turn it faster by changing upper pulleys, whereas I have to turn the 4.2 above the SC recommended max speeds to get anymore airflow. The other downside is to go faster in SC speed requires going to much smaller upper pulley which have less belt surface area to keep the belt from slipping.
The only thing keeping me from upgrading is the extra $4100 it requires to give it a try. If the inlet elbows are the same on a 4.2 and a 4.7 I can answer the question in the future easily if it really bothers me too much.
You're the reason I want a wrinkle blue whipple, I love your engine bay set.
KB liquid cooled don't really run that hot. Data log from 2022 middle of August in the mid 90's. 48 min cruise.My 3.6 IAT2 avg was barely 118 deg. Avg ECT was 175 deg. Not to shabby IMO.That textured blue whipple is bad ass. The Kb is a hot box.
I don't know if it is knowledge or obsession LOLYour knowledge always blows me away lol, I enjoy how much you go into detail on everything.
Do you currently know how much power the car is making with the new engine? And will you be street driving it a lot/going to car shows? Or will it be more of a texas mile kinda car. Don't get me wrong, It would be badass to lay down 1,500whp, but at the same time, 1000+whp on the street is a lot. I feel the 4.2 will give you everything you're looking for, but the 4.7 will do it that much better. But like you said, is it worth the extra money.
You're the reason I want a wrinkle blue whipple, I love your engine bay set.