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Forum: Technical Q&A 30-03-2006, 03:48 PM
Replies: 28
Views: 2,740
Posted By cfun
Wakey Racer, your Merc was it a 260 hp 2.5ltre...

Wakey Racer, your Merc was it a 260 hp 2.5ltre efi, if so and you have the hp for the various revs from say 4k and above, thats great, if it's simular to Burty's engine it will be the same within a...
Forum: Technical Q&A 28-03-2006, 12:02 PM
Replies: 28
Views: 2,740
Posted By cfun
One intresting fact on that 200efi that sterling...

One intresting fact on that 200efi that sterling quoted, if it's producing over 80% of it's hp at 3800rpm, if it had a gearbox and you could put it in a higher gear think how much quicker it would go...
Forum: Technical Q&A 27-03-2006, 11:12 PM
Replies: 28
Views: 2,740
Posted By cfun
Glad to see the figures on the dyno match a...

Glad to see the figures on the dyno match a calculator, but I can not see on there anywhere it states hp at different rev ranges, thus peak torque is still just a guess !!! one of the many USA...
Forum: Technical Q&A 27-03-2006, 11:00 PM
Replies: 28
Views: 2,740
Posted By cfun
Had a hunt through all my old Merc racing stuff...

Had a hunt through all my old Merc racing stuff nowhere can I find torque figures just 260hp @ 7500rpm, so before I go to bed I think I will stick at my guess as we know peak torque will probably...
Forum: Technical Q&A 27-03-2006, 10:38 PM
Replies: 28
Views: 2,740
Posted By cfun
Reading between the lines if the 200efi produced...

Reading between the lines if the 200efi produced peak torque at 3800 it was producing over 80% of its peak hp at this rpm, as your engine revs considerably higher its most likely to produce peak...
Forum: Technical Q&A 27-03-2006, 10:16 PM
Replies: 28
Views: 2,740
Posted By cfun
Hi Burty, I must point out I am not an engine...

Hi Burty, I must point out I am not an engine builder, have a mate who worked for years with a formula 3000 team and his mate works for Mcclaren and therefore I used to discuse these things with...
Forum: Technical Q&A 27-03-2006, 09:57 PM
Replies: 28
Views: 2,740
Posted By cfun
Burty if we say for instance your engine is bog...

Burty if we say for instance your engine is bog standard Merc and it revs to 7500rpm then it will produce 182 lbs/ft if it goes on to rev to 8000rpm but produces no more hp ie the hp curve is flat...
Forum: Technical Q&A 27-03-2006, 09:27 PM
Replies: 28
Views: 2,740
Posted By cfun
Torque, not to happy with torque, it set me off...

Torque, not to happy with torque, it set me off moaning about the P1 rules, anyway I belive if you say your engine rev's somewhare between 7.5 - 8k, then according to my calculator a 260 hp 2.5...
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