rpm/kph

**slapz** · July 23rd, 2013 12:58 AM

My Haima7 does around 2400-2500RPM on 80KPH, 5th Gear.

**dr. d** · July 23rd, 2013 01:00 AM

baket nasa 5th gear na pero 80 lang ang takbo?

personally, i am at 5th gear at 60 kph.

actually, he is asking why, at 5th gear and running at 80 kph, why his tachometer reads 2700 rpm.. i think he finds the rpm too much...

**oj88** · July 23rd, 2013 01:01 AM

Originally Posted by uls

sounds like he's trying to accelerate at 5th gear

baket nasa 5th gear na pero 80 lang ang takbo?

baka sa 1st gear hanggang 20-30 kph lang, 2nd gear 30-40, 3rd gear 40-50....

fuel efficient mag drive

The manner on how or when he shifted is irrelevant. Whether he shifted from 1st to 5th or just started off in 5th gear and crawled his way up to 80kph, it would still read 2700RPM on his tach.

To the OP: If I did my homework right, the 2E is a 1.3-liter SOHC.Since it can only do a max. of about 80+HP, the gearing on the C150 transmission is most likely configured to let the engine run at higher RPM on the top gear to keep it a bit more responsive at the expense of a slower top-end.

On bigger engines, at least on a 1.8 liter that I know of. It can sit in 5th gear doing 80kph with the engine purring at 1700-1800RPM (if memory serves me).

**uls** · July 23rd, 2013 01:20 AM

if he wants lower rpm at 80 at 5th gear he should downshift to 4th rev to pick up speed then shift to 5th then he'll be able to maintain 80 at lower rev

**GTi** · July 23rd, 2013 01:53 AM

For a car with this engine, I'd say this is relatively normal. The 2E only has 72bhp, so it will need more revs/effort to reach 80km/h. Same with our Revo diesel (86bhp) which, if I remember correctly, spins at 3000rpm at 80km/h. Gear ratios are also a factor here. A lower final gear ratio will likely result in a higher top speed at lower rpm.

If he wants lower rpms at high speed, easiest way is to increase engine power. More power means less effort to reach higher speeds. Bigger mags may also help, though at the expense of fuel efficiency.

Sent from my GT-I9100 using Tapatalk 2

**dr. d** · July 23rd, 2013 02:12 AM

Originally Posted by uls

if he wants lower rpm at 80 at 5th gear he should downshift to 4th rev to pick up speed then shift to 5th then he'll be able to maintain 80 at lower rev

i'm sorry, sir, but it's a manual trans. there's no way you can cheat the no-slip metal mehanical gears the way you manipulate ATs and CVTs.
at 5th gear and 80 kph, the rpm is etched in stone.

**oj88** · July 23rd, 2013 02:34 AM

Originally Posted by uls

if he wants lower rpm at 80 at 5th gear he should downshift to 4th rev to pick up speed then shift to 5th then he'll be able to maintain 80 at lower rev

Umm... no. ;) It doesn't work that way.

I'm with dr. d.

**kopi** · July 23rd, 2013 02:42 AM

Originally Posted by oj88

The manner on how or when he shifted is irrelevant. Whether he shifted from 1st to 5th or just started off in 5th gear and crawled his way up to 80kph, it would still read 2700RPM on his tach.

To the OP: If I did my homework right, the 2E is a 1.3-liter SOHC.Since it can only do a max. of about 80+HP, the gearing on the C150 transmission is most likely configured to let the engine run at higher RPM on the top gear to keep it a bit more responsive at the expense of a slower top-end.

On bigger engines, at least on a 1.8 liter that I know of. It can sit in 5th gear doing 80kph with the engine purring at 1700-1800RPM (if memory serves me).

bit ot:
sir OJ, on our late FD, 100kph at around 1800rpm. tried it before, and proven narin with other teamfd members.

**dr. d** · July 23rd, 2013 02:51 AM

Originally Posted by oj88

The manner on how or when he shifted is irrelevant. Whether he shifted from 1st to 5th or just started off in 5th gear and crawled his way up to 80kph, it would still read 2700RPM on his tach.

To the OP: If I did my homework right, the 2E is a 1.3-liter SOHC.Since it can only do a max. of about 80+HP, the gearing on the C150 transmission is most likely configured to let the engine run at higher RPM on the top gear to keep it a bit more responsive at the expense of a slower top-end.

On bigger engines, at least on a 1.8 liter that I know of. It can sit in 5th gear doing 80kph with the engine purring at 1700-1800RPM (if memory serves me).

in other words, our threadstarter is stuck with 2700 rpm..
ganito na lang.. get old style bias-ply tube tires. malaki diameter noon. you'll be doing 95 kph when your speedo is registering only 80. i tried it once.. it felt weird. it looked even weirder.. ..got rid of it within 2 weeks..
heh heh.