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Showing results 1 to 13 of 13
Search took 0.10 seconds. Search: Posts Made By: oab_au
Forum: Proven Engine Enhancements 05-18-2010, 06:06 PM
Replies: 333
Views: 48,260
Posted By oab_au
Re: 11:1 CR Race/Street Engine build

It is always a relief to find the cause of a problem.:cool:

Harvey.
Forum: Proven Engine Enhancements 05-11-2010, 08:10 PM
Replies: 333
Views: 48,260
Posted By oab_au
Re: 11:1 CR Race/Street Engine build

There were two difftrent thickness to the pumps that were on the Nissans, but we already have the 12mm width rota.

Harvey.
Forum: Proven Engine Enhancements 05-11-2010, 05:57 PM
Replies: 333
Views: 48,260
Posted By oab_au
Re: 11:1 CR Race/Street Engine build

Missed a zero there, std. is 0.020mm - 0.045mm.:)

This problem of No.5 rod bearing going out, is something that I think, maybe related to the sustained high rpm of the modded engine. These two...
Forum: Proven Engine Enhancements 03-29-2010, 06:08 PM
Replies: 333
Views: 48,260
Posted By oab_au
Re: 11:1 CR Race/Street Engine build

Yes it is probably 100% better that it was standard.:D

Harvey.
Forum: Proven Engine Enhancements 03-29-2010, 06:03 PM
Replies: 333
Views: 48,260
Posted By oab_au
Re: 11:1 CR Race/Street Engine build

Tom you do mean held open, don't you?:)

Harvey.
Forum: Proven Engine Enhancements 03-29-2010, 05:13 PM
Replies: 333
Views: 48,260
Posted By oab_au
Re: 11:1 CR Race/Street Engine build

Bob the IRIS valve is fully open at 4000, it is just a plenum from then on. I can see the resonate peak from the Inlet and Exhaust is at 4500 where it develops max torque, the next peak at 5600 is...
Forum: Proven Engine Enhancements 02-16-2010, 02:34 PM
Replies: 333
Views: 48,260
Posted By oab_au
Re: 11:1 CR Race/Street Engine build

Most of the units allow 6 crank rotations before the ignition is enabled. Lets the starter get the crank up to speed, before it is allowed to fire. I believe the standard unit does that.:)

Harvey.
Forum: Proven Engine Enhancements 02-15-2010, 05:05 PM
Replies: 333
Views: 48,260
Posted By oab_au
Re: 11:1 CR Race/Street Engine build

Tom how many crank rotations have you got it set up to, before the ignition/fuel starts.

Harvey.
Forum: Proven Engine Enhancements 10-03-2009, 09:22 PM
Replies: 333
Views: 48,260
Posted By oab_au
Re: 11:1 CR Race/Street Engine build

I wouldn't worry about HONESTY:) you do what ever you have to.:D
A lot of engines are done like that.
On Desmodromic Ducatis the shim top and bottom of the valve are usually rubbed down to size on...
Forum: Proven Engine Enhancements 07-09-2009, 07:13 PM
Replies: 333
Views: 48,260
Posted By oab_au
Re: 11:1 CR Race/Street Engine build

The signal from these inductive sensors, is a sine wave that is prone to interference. The wiring from them has to be shielded, and the shield has to have a good ground to prevent it.

Harvey.
Forum: Proven Engine Enhancements 07-07-2009, 08:43 PM
Replies: 333
Views: 48,260
Posted By oab_au
Re: 11:1 CR Race/Street Engine build

I think what you say here is getting close to the problem. I notice that the overheating only seems to become apparent when the race is finished and the car has slowed. I haven’t heard Dan say it...
Forum: Proven Engine Enhancements 07-07-2009, 06:25 PM
Replies: 333
Views: 48,260
Posted By oab_au
Re: 11:1 CR Race/Street Engine build

Tony these sensors have a magnet in there to produce the signal. As the temp goes up the magnetic field gets less. It also loses magnetic strength with age, so when they age, and heat...
Forum: Proven Engine Enhancements 07-04-2009, 06:05 PM
Replies: 333
Views: 48,260
Posted By oab_au
Re: 11:1 CR Race/Street Engine build

Tom what rpm are you looking at, to make peak torque?

Harvey.
Showing results 1 to 13 of 13

 
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