QUOTE(drfeelgood @ Jun 21 2013, 04:01 PM)
must check this out. but in my understanding MOST cars except those with very high compression rates and meant for racing can use Ron91 and above.
Just check Singapore. They have Ron 92, 95 and 98 on sale. And most of their cars are the latest in the market.
in Thailand, Unleaded Premium is Ron95 and it is expensive like hell. Gasohol is Ron95. and they have Ron91. Car rental company in Phuket recommended I pump Ron91 only for the Vios I rented last 2 years ago when I was in Phuket.
In America there is stil Ron88 or 89..forgot liao....
My honest opinion, Malaysian drivers have been cheated to use high Ron for nothing.... only because korupland gomen want to increase price they phase out Ron92 and come out with Ron95 with of course immediate price increase! Then feed us with propoganda that Ron97 is premium so all of us pay ridiculous prices for our expensive petrols.
QUOTE(Wikipedia)
B16B (Type R)
VTEC
Found in:
1997–2000 JDM Civic Type R[EK9]JDM
Displacement: 1,595 cc (97.3 cu in)
Compression: 10.8:1
Bore: 81 mm (3.2 in)
Stroke: 77.4 mm (3.0 in)
Rod/Stroke ratio: 1.84:1
Rod Length: 142.42 mm (5.6 in)
Power: 185 hp (138 kW) @ 8200 rpm & 118 lb·ft (160 N·m) @ 7500 rpm
Redline: 8400 rpm
Rev-limit: 9000 rpm
Transmission:S4C With Helical LSD (4.4 final drive, dual-synchromesh on 2nd, 3rd and 4th gears)
VTEC engagement @ 6500 rpm
ECU code: PCT
OBD-2B
Note: This engine uses the same block as the Integra Type R (B18C5), which is taller than the B16a block (by approx 17 mm), but with a crank the same stroke as the b16a. It uses longer rods to accommodate for this, which is why the Rod/Stroke ratio is higher than a standard B16.
10.1:1 is consider high compression
With this kinda setup, RON95 airfuel already can self ignite when piston reach the top of the block. Hence, Campor sohigh ECU did RETARD the ignition timing to accommodate the ping/detonation. When people tell you they pump RON97 dont get more horse powah is not their fault, cause the ECU can't sense detonation/ping, but also can't be certain if advance ignition timing will cause any harm to the car. In short:
If switch from RON97 to RON95, immediately you'll feel the engine retarded
If switch from RON95 to RON97, probably need a few more tanks before the ECU daring to retune the ignition timing back to normal.
In the end, what RON also can use. Just need to beware of the detonation. RON is an additive to RETARD the ignition point. Higher RON can mean more retarded flash point(also depending on the fuel type), on the otherhand, Natural Gas has a very low flash point, hence it need higher RON to avoid the NGV tank from explosion by the heat under sunlight.
Jun 21 2013, 07:36 PM
a few lot beside old town got jepunese bbq
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