Axial 28 Spec 1S (Grey)
“The 28 Spec 1s is a .28 cubic inch big block engine featuring a machined billet aluminum heat-sink head for extra cooling, dual bushing aluminum connecting rod, true ABC chrome sleeve construction for durability, and a three needle 8.5mm slide carburetor with a composite body for better performance at higher temperatures. The carburetor features a factory re-set line on the high speed needle, and flush needles making re-setting, to baseline factory specifications, quick and easy. There is also an optional Turbo Button head available. This is a direct bolt-in replacement engine for any .21+ engine mount, and will accept most aftermarket shaft drive starting systems.
Specifications
Size .28cubic inch/4.6cc
Maximum RPM 36,000
Bore 18.6mm
Stroke 16.9mm
Construction ABC
Heat-sink Head Grey Anodized Aluminum
Carburetor 8.5mm Composite Slide Carb
Carburetor Adjustments 3 Needle, Flush Settings
Case Black Aluminum, Rear Exhaust
Connecting Rod Dual Bushing
Sleeve 8 port
Starting system Pullstarter
Recommended Glow Plug Cold-5 Power Plug”
[Source - axialracing.com]
