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Engine Specifications
The engine is from my first Spitfire, a 1968 MkIII. It is (FE13780E) a 1300 small journal engine, bored
The head (stamped with the number 218139 over
cylinder 3, cast number 312246 over cylinder 2 and cast 1803 over cylinder 1)
is also MkIII and is ported according to the Mike
Barratt Competition Prep manual. Milled
The connecting rods are lightened and
polished and the engine (pistons, rods, crank, flywheel, front pulley, and
clutch pressure plate) is balanced.
The cam is a Schooler
(somewhere in Florida, perhaps Gainesville) re-ground street-race item (part #
N8000, intake 41/75 hot clearance 0.014 gross 0.429, exhaust 76/40 hot
clearance 0.014 gross 0.429) that used to see ~8000 RPM in short duration
during auto-crossing. I now keep it under 5000 RPM.
The engine has cam bearings, something that
is optional in the 1500 engines. If you use cam bearings in a 1500 you need a
cam with small diameter cam journals, such as an 1147cc or early 1300cc (MkIII) cam. Some of the 1147cc cams are quite good
performers for 1300cc and 1500cc engines.
Front of Radiator area
Air horns and bug screen. Oil cooler behind
screen, mounted lower down. It's a zigzag, continuous back and forth tubing
type with aluminum radiator fins. Note MkII full
width radiator. Anyone know of a supplier of high capacity aluminum radiators?
In the picture to the right, that's the copper fuel line going below the
radiator support. It's inside a tygon tube for
abrasion and heat resistance. The 2 oil cooler hoses go through the cardboard
just under the air horn line.
I also have added a daytime headlight module
under the bonnet, a JC Whitney unit that turns the headlights only on when
driving. The unit has a dimming resistance to turn them on at less than full
brightness.
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