Class 10 Motor Combinations

[FlyHiFlyLo]

What do you think is the best engine combo to run in a class 10, 2 seater.
What make engine, what mods, Service life, and how much horsepower are they making.

ENGINE LOCATION & DISPLACEMENT
Any engine may be used providing:
A. It is a design that has been series produced in quantities of 5000 units or
More and is readily available to the general public in the U.S.A.
B. It did not displace more than 2000 cc in the stock form.
C. It retains a maximum of four valves per cylinder.
D. It does not displace more than the following:
E Air-cooled engines may use dual carburetors. or stock fuel injection


Water-cooled engines

Two-seat 1800cc – 8 valve Single two-barrel carburetor

Two-seat 1750cc – 16 valve Single two-barrel carburetor or stock fuel injection with max throttle body of 58.5cm

Air-cooled engines

Two-seat 2000cc – four cylinder push rod

F) Single and two-seat vehicles may use one carburetor providing:

1. It retains a maximum of two ventures per carburetor.

2. Maximum allowable venturi size is 42mm.

3. Carburetor(s) must be of the production automotive type.

G) Fuel injection is stock production with the following restrictions:

1. Intake manifold will remain as delivered by the manufacturer. It must retain it’s stock shape, size, and configuration. No porting or other modifications. Ports may be matched to the heads, but matching may not exceed .250” (1/4 inch) deep. Manifold must be the unit that was installed and delivered on the engine by the original manufacturer. Only U.S.A. delivery fuel injection is permitted. Manifold must be installed and sold on production vehicles for street use in the U.S.A. and be readily available to the general public.

2. Throttle body must be production (OEM) type readily available to the general public in the U.S.A..

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[Aflac]

Call Adam Wik in las vegas he owns Wiks Racing he will piont you the right way.

[Will_Higman]

[QUOTE=FlyHiFlyLo7]What do you think is the best engine combo to run in a class 10, 2 seater.
What make engine, what mods, Service life, and how much horsepower are they making.

Wiks Honda!

Will Higman

[jamoffroad]

best motor comb for class ten is LS1 and step up to classs 1 . or spend all your money on motor work and rebuild every race.

[zjohnson]

Depends upon the power and reliability issues you are willing to face. If you want liquid cooled, go with a Kroyer, torque monster for a 10 car, but very $$$$. Otherwise, I'd say go with the air cooled 2 liter, great motor, lots of torque and learn how to drive it . . .

[Fourstroker]

Otherwise, I'd say go with the air cooled 2 liter, great motor, lots of torque and learn how to drive it . . .

Make sure that if you go air-cooled that you go with a Type 4 - 2 Litre. The Type 1 does not have the torque.

[ntsqd]

Make sure that if you go air-cooled that you go with a Type 4 - 2 Litre. The Type 1 does not have the torque.

From memory the T4 2000cc uses a 66mm stroke while the T1 1600cc uses a 69mm stroke and most of the ~2.0 T1's employ a stroker crank.

[FlyHiFlyLo]

best motor comb for class ten is LS1 and step up to classs 1 . or spend all your money on motor work and rebuild every race.

There is a fine line between the two. However, I think I might have the right power to weight combo for the lower horsepower deal.

[Fourstroker]

From memory the T4 2000cc uses a 66mm stroke while the T1 1600cc uses a 69mm stroke and most of the ~2.0 T1's employ a stroker crank.

The tType 4 @ liter uses a 72 Crank and 94 pistons. You can do exactly the same combo with a Type 1 but you will get less torque. Alot less

[ntsqd]

The tType 4 @ liter uses a 72 Crank and 94 pistons. You can do exactly the same combo with a Type 1 but you will get less torque. Alot less

How is that?