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Old 15th November 2008, 22:15   #68 (permalink)
atul_astro
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Join Date: Aug 2007
Location: Mumbai
Posts: 18
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hey fellas..atul haldankar from mumbai here..I'm a hardcore DIY [Do it yourself] enthusiast..I own an RD350 and 2 RX135's which I work on myself. I love intricate machinery and engines ..Just inherited my dad's SS80..the car is in bad state..not been running for 5 years +

I wanna start with the engine first, since thats an area I can work on at home..I am not a huge fan of original parts and prefer functionality over aesthetics..I begin work on the head and the cylinders this week.

came across a few links on the internet and got this info

General specification:
Engine code: F8B
Capacity: 796cc
Nominal bore: 68.5mm
Stroke: 72.0mm
Compression ratio: 8.7:1
Max power output: >29.5kW/39.5bhp @ 5500rpm
Power output per litre: >37kW/49,7bhp
Power to weight ratio: 64,1bhp/ton (616Kg)
Max torque: 59 Nm @ 3000rpm
Torque per litre: 74,1Nm
Torque to weight ratio: 95,8Nm/ton
Intake 31.6mm Exhaust 27.6 (valve head diameter)
Rocker ratio: about 1.48






4 speed F8B gearbox gear ratio's:
Gear
Gear Ratio
Speed Ratio
1
43/12
3,583
2
39/18
2,166
3
32/24
1,333
4
27/30
0,900
Reverse
37/22x22/11
3,363
Final
87/20
4,350


I plan on reworking the head for better flow, and basically make it a more peppier car..i read that a few other similar models came with roller rockers and a more quieter engine. bigger valves would also help..

If anyone could direct me to a service manual/workshop manual..It'd be great..any tips, suggestions and criticism is welcome

also want to ask whats the scene with respect to availability of engine parts..are pistons and conrods easy to procure?

also, the F8C head [daewoo matiz] [as opposed to the F8B head we have on the indian variate] is almost identical...does anyone have any clues on this?

I'm sorry..too many questions..Hoping to get answers and get help..I'll post up pics and will be documenting my engine rebuild here..Hope to find help along the way

Cheers

Atul Haldankar
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