Turbo Honda 2D or S4

Pennywise

Pennywise

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Looking for some people with experience running a Turbo Honda & S4. Building a light weight 2-seat car for my son. Going to run a 450-500hp turbo Honda & 33’s tire.

Obviously a 2D can get the job done but is there a down side to the S4/S5? Is going to the larger box a diminished return because it’s going to rob power and add weight?

Follow up question would you run the smaller diff & 930’s with the S4?
 
Two years on a turbo Honda (500+HP) and a 2D. Great setup and super reliable. I considered upgrading to an S4 simply to turn up the power on the Honda. Not sure on the weight difference between the 2D and S4 but I have a feeling it’s significant.

Not having the low end torque with the J series you should be fine with the 2D as there are tons of Turbo Hondas out there running that combo.
 
I feel the 2d with the Honda is a solid combo. Obviously an s4 would be better. Driving style and budget will determine which is needed. I’d wheelie my light 4 seat car with my family in it. 2d went 5 years before the new owner broke it.
 
I ran a turbo Honda/2d combo for many years. Tranny usually lasted 3 years before it needed a refresh. I was getting 35ish duning days a year back then.
 
weight differance is approx 50lbs between the 2d and the s4. ive thought of building a light weight 2 seater with a turbo'd k series honda and a s4. im thinking s4 simply for the sequential part but also if i didnt like the k series, i would be already set for a built j series.
 
I ran the Honda 2D and loved it. You said light car and with it being light I think a 2D would be just fine.
 
550 HP with a 2D would make anyone a good customer for me.

S5 would be the ticket for this package. I challenge anyone to say they feel the extra weight/power loss with the bigger trans. We run these in Class 10 cars with sealed Ecotec's at 185 HP to the tire.

S4 or S5 would allow to run that car as hard as you want without having to worry about the trans.

HV-24 or HV-25 would be the best if you want the H-pattern over sequential, better for multiple drivers and very hard to damage with poor shifting.
 
SeanRitchie said:
550 HP with a 2D would make anyone a good customer for me.

S5 would be the ticket for this package. I challenge anyone to say they feel the extra weight/power loss with the bigger trans. We run these in Class 10 cars with sealed Ecotec's at 185 HP to the tire.

S4 or S5 would allow to run that car as hard as you want without having to worry about the trans.

HV-24 or HV-25 would be the best if you want the H-pattern over sequential, better for multiple drivers and very hard to damage with poor shifting.
Click to expand...
Thanks, would you run the smaller R&P and 930’s with the S5?
 
Pennywise said:
Looking for some people with experience running a Turbo Honda & S4. Building a light weight 2-seat car for my son. Going to run a 450-500hp turbo Honda & 33’s tire.

Obviously a 2D can get the job done but is there a down side to the S4/S5? Is going to the larger box a diminished return because it’s going to rob power and add weight?

Follow up question would you run the smaller diff & 930’s with the S4?
Click to expand...
I bought a Gen 4 funco that had fully built closed deck turbo Honda that was sold to me at 500 to the tire. It had a Fortin 4 speed sequential. It originally had a 2d. When I asked the original owner if the swap was worth it he said yes. I broke the 2d every weekend and I have 8 seasons on this Fortin. A 500 Turbo Honda sounds like a built big boost motor. The race gas stock Hondas typically don’t make that kind of power.
 
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