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2 seat GTF 440ci 4.0 blower F710 heads. made 858 to the wheel. S5D. 3 seasons with zero issues. will probably take it out this summer to have it gone through only because the rear main is leaking and the motor needs to come out anyway. dune mostly in 3-4 gear. second if the corner is real tight. 5th gear is nice for the duners runs or in the flats. FYI there has been an albins in our group die that was a year newer than my S5D.And I'm curious, what gears do you find yourself in more often when duning?
I am mainly in 3 thru 5 gears.And I'm curious, what gears do you find yourself in more often when duning?
This has been my experience. An S4D is my choice for a mid engine car. I have been told that a mid engine car is easier on the transaxle though.The limiting factor on an S5D is the 2nd gear. 1000 HP is quite a lot for that gear that gets used pretty hard. 800 at the crank is about as much as they should get put through them.
I have always pushed 4 speeds into sand cars unless they are running a 4 or 6 cylinder. Although some do like having the tall 5th gear for cruising, how often do you really find yourself using 5th gear?
Think of it this way: The top of 3rd gear at 6000 RPM is typically about 70-80 MPH, and the top of 4th gear is about 110-120 MPH. How often do any of you actually hit these speeds unless you're running the drags?
98% of the people I talk to have never broken 100 MPH in their 1000+ HP cars.
@Grant@Funco The S4D is a good option in these high powered cars. Even those with Albins 5-speeds only use 2nd/3rd/4th gears.
Step up your game next year. :classic_biggrin:I am mainly in 3 thru 5 gears.
I got quotes from two reputable engine builders. Both quoted Frankenstein Monster heads. What is different with those vs the 710 heads?IF YOU ARE DOING MONSTER HEADS THEN S4D,
IF YOU ARE DOING THE 710 HEADS THEN ALBINS,
ON SUCH A NICE BUILD WHY MONSTER HEADS,
I see you have the F710 heads. @J Alper questioned why I'm using Monster heads instead of the F710. So now I not only have a trans decision but I need to figure out what the difference is between the F710 heads and the Monster heads and if I need to make a change there as well. So much to learn and discover.2 seat GTF 440ci 4.0 blower F710 heads. made 858 to the wheel. S5D. 3 seasons with zero issues. will probably take it out this summer to have it gone through only because the rear main is leaking and the motor needs to come out anyway. dune mostly in 3-4 gear. second if the corner is real tight. 5th gear is nice for the duners runs or in the flats. FYI there has been an albins in our group die that was a year newer than my S5D.
If I built a new car today Id go back to the S5D. could do multiple rebuilds on the S5D before you get to the first cost of the albins. just my opinion that's not worth chit.
Come on man, don't throw more options into the mix :makerain: :classic_laugh: :classic_laugh: . I think I'll stick with a 5 speed. Most likely the Albins. Now I have to figure out this new to me cylinder head question. Never ends! :classic_ohmy:I would vote Albins for your use, power, and resale. I have had multiple cars with 4 speed gearboxes, and I always wanted an extra gear. I made the conversion from a 4 to 5 speed in my last Alumicraft and it was game changing. I personally run a 6 speed Albins and would HIGHLY recommend that. If I were building this car I would couple a 6 speed with paddle shift. The 6 speed is SOOO NICE. :dude:
Night and Day, there is no comparison, Monster heads equals 2D trans, 710s it the top dog.I got quotes from two reputable engine builders. Both quoted Frankenstein Monster heads. What is different with those vs the 710 heads?
would you mind adding a few specifics on the differences? I looked at their website but I couldn't really find a direct comparison.Night and Day, there is no comparison, Monster heads equals 2D trans, 710s it the top dog.
Why questioning the monster heads, when you suggested them on my build?IF YOU ARE DOING MONSTER HEADS THEN S4D,
IF YOU ARE DOING THE 710 HEADS THEN ALBINS,
ON SUCH A NICE BUILD WHY MONSTER HEADS,