Silvertop @ 7950rpm

[levin818]

Its 7950rpm max on silvertop wiring mated with a standard blacktop engine.
Clocked this morning 12:30am at Kota Kemuning by using APEXi RSM (7-segment display type).
No cam no piggyback no adj pulley.
ECU is 89661-1A180 (final version).
If running with 89661-12771 (2nd version), max rpm is 7880.
However, under hot sun, max rpm drops to 7500.

It mean, under allowable conditions, standard svt setting can go beyond 7500rpm.

 

[TRD.AE92]

bro levin818,
any benefit to run the stock engine over 7,800 rpm? Since standard blacktop peak power output only at 7,600 rpm only, even the stock BT wiring and ECU also can give you rev cut at 7,800rpm as well. I personal think the more rev that you over the 7,600 rpm the more HP will drop, and even the shorter the engine life will be.

 

[levin818]

Yeah there is no benefit to run stock engine at that range.
To squeez out the power after 7500rpm, you need to have some extra setup, ie: cam, pulley, trumpet, muffler etc etc.
Those suffs will shift the power band to high rpm (but scarify the low rpm).

 

[TRD.AE92]

Yeah there is no benefit to run stock engine at that range.
To squeez out the power after 7500rpm, you need to have some extra setup, ie: cam, pulley, trumpet, muffler etc etc.
Those suffs will shift the power band to high rpm (but scarify the low rpm).

haha... this is what i saying...

 

[Sil80-13]

Yeah there is no benefit to run stock engine at that range.
To squeez out the power after 7500rpm, you need to have some extra setup, ie: cam, pulley, trumpet, muffler etc etc.
Those suffs will shift the power band to high rpm (but scarify the low rpm).

Is it means that stock BT engine we should only rev up to 7600 rpm & we should change gear already???

 

[levin818]

Is it means that stock BT engine we should only rev up to 7600 rpm & we should change gear already???

If you are an aggressive driver, you may want to shift at 7799rpm

 

[alan_ee90]

i'm using a silvertop engine,but using blk top auto wiring, i can ram my engine till 9krpm also no cut off, 4th gear can till 180km/h ady, i try it mximum till the needle finish is juz 6.5k rpm, but the rpm keep running up..... some more my engine cond not really good

 

[levin818]

Taking SVT as a guide, under allowable condition, the ECU give extra 6% rev margine.
(7500rpm x 1.06 = 7950rpm)
If the same happened to BT's, we should have 7800 x 1.06 = 8268rpm max.
And since our stock meter has 10% lag from actual reading, you may read 8268rpm x 1.1 = 9095rpm in your stock meter.

Warning: make sure your engine oil level is enough before you make this test ah

 

[alan_ee90]

o, sure, cause i always ram high, so i will always take care my engine.....thx

 

[TRD.AE92]

o, sure, cause i always ram high, so i will always take care my engine.....thx

taking care of engine is NO HIGH RAM la... wahahahaha

 

[alan_ee90]

bcs this type of engine high ram also silent ma, not very noisy also, no high ram no power.....wahaha, hard to blown la...hahahahaha

 

[sache]

if svt go to 8000-8200 rpm with no minor & major adjustment

 

[ombakjernih]

if my car use same ecu and SVT engine....
can i get same result???or need BT engine..

 

[alan_ee90]

actually can juz depend on u want ram it or not, u brave then u can do it....but mostly u sure ur fuel supply is enough to let u ram it.....

 

[levin818]

if my car use same ecu and SVT engine....
can i get same result???or need BT engine..

Yes you can hit this range with stock setting.
But you wont get any astonishing result.
The feeling is "flat" after 7000rpm...