new engine spec
hi here is the spec of my engine any advice on your thoughts about it, will be going in a ford anglia 105e road rally car 1360cc
Bore/Stroke 83/63 (1363.48)
Crankshaft:
Manufacturer: STD Ford Balanced
Max Rpm: 9000
Stroke: 63mm
Flywheel Mounting: 6 Bolt
Block:
1300 GT – 711M 181 Deck Height
Bore: 83mm 96.012 spacing
Camshaft Bearings: STD
Main Brg Caps: Standard
Bolts: ARP
Conrods:
Type: Ford 1100cc
Length: 110mm
Supplier: Specialised Engines
Bolts: ARP
Pistons:
Bore: 83 mm STD + .090”
Supplier: STD AE
Compression H: 39.5mm
Machining Volume: 25.5 cc Piston – 10.5:1
Machining Geometry: Custom - OJC
Oil System:
Dry Sump Pump: Side mounted Pace 5 port 2 stage - Titan
Dry Sump Pan: Alloy - Titan
Head:
Type: Flat
Supplier: Vulcan Big Valve full gas flowed
Inlet Valves: 41mm Dia.
Exhaust Valves: 35mm Dia.
Cam:
Type: Kent A6
Supplier: Kent Cams
think first thing will need to be changed will the cam
thanks
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Re: new engine spec
junk the pistons, you'll be lucky if they stay together at 9k and fit a steel flywheel double dowelled.standard mains bolts would be ok, spend the money on proper pistons. 234 cam
Last edited by fatboy slim; 19-08-2018 at 18:03.
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Re: new engine spec
to be honest think ill have my rev limiter set well before that thanks what cams work without much more pistone work thanks 244?
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Spanner Monkey
Re: new engine spec
STD crank, not a chance to keep it alive at that rev, even at 8k.
and I'll run away when I see "Supplier: Specialised Engines", 2 mates had several engine failures with engine from them, they mix conrods type in same engine !
Your A6 cam doesn't match the whole thing. I had that cam with an all steel engine, rev at 8.5K. This cam is a old design but for me, it worked well.
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Re: new engine spec
i somewhat disagree on the crank, ive known people run std 1300 cranks to 9K, and yes forget the std pistons, they wont like the revs or compression, machined twin cam pistons could be the way to go
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Re: new engine spec
1300 crank no good for 8k, its ticking over at that. get some 1100 rods, a short flat top piston machined or not to suit the CR you require and you can fit any cam you want. the old cosworth cams still work well,i ran an A8 with high lift rockers in my 1860 but for road rallies unless you have very low gearing you need a milder choice obviously hence the 234 suggestion which i have used previously in 1300's with good results. high compression, high revs and lots of advance (with ignition to suit) will make a surprisingly quick engine if done right
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Re: new engine spec
Std crank but balanced will be OK I guess, forged pistons are the way to go (lighter and stronger)
Flat pistons and head with chambers works also !
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