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Author Index page1 Monster rebuild update BREAKING FOR PARTS!!!! SEE PAGE 1 FOR ADVERT LINK
Olsrey
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Registered: 13th Jan 07
Location: Bradford   Drives: LET Vectra B
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24th Apr 08 at 08:51   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by broster
dry sump kit, breathing and oil filling is done via the oil tank
Ah of course, forgot you had a dry sump kit .
Dave A
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24th Apr 08 at 09:58   View User's Profile U2U Member Reply With Quote
fully sequential spark and fuel

does gotech allow you to map ingnition timing and fuelling individually for each cylinder, i.e an ignition map for each cylinder like the motec and haltech stuff allows?

you now need a wideband in each primary
broster
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24th Apr 08 at 10:03   View Garage View User's Profile U2U Member Reply With Quote
the pro x does allow you do map each cylinder, should give some gains
Dave A
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24th Apr 08 at 10:33   View User's Profile U2U Member Reply With Quote
both fuel and ignition?
Robin
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24th Apr 08 at 10:38   View Garage View User's Profile U2U Member Reply With Quote
Yep
broster
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24th Apr 08 at 10:39   View Garage View User's Profile U2U Member Reply With Quote
what both of them.................
Robin
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24th Apr 08 at 10:40   View Garage View User's Profile U2U Member Reply With Quote
Yes, both of them. Both fuel and ignition. Both.
ed
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24th Apr 08 at 11:08   View User's Profile U2U Member Reply With Quote
RCS
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24th Apr 08 at 21:17   View User's Profile U2U Member Reply With Quote
Injection and ignition is cool. Ideally you need to inject your fuel earlier in the intake process though, especially at the high rpm you plan. Theres not a lot of time to inject and prepare the fuel at 11,000rpm.
broster
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26th Apr 08 at 16:19   View Garage View User's Profile U2U Member Reply With Quote
RCS, thanks for the advice, think we have the mapping side covered here at jamsport tho, we have a fair bit of experience with it and the gotech system.


had my new anti roll bar powder coated on friday and the brackets, went for a different colour to the yellow tho, they are sat on jamsport's workshop floor now, ready for fitting on monday when i get back to work.

massive thanks to rob for donating the parts!
Dave A
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26th Apr 08 at 17:35   View User's Profile U2U Member Reply With Quote
will you need a cam sensor to run full sequential ign and injection with pro X ?
Robin
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26th Apr 08 at 17:35   View Garage View User's Profile U2U Member Reply With Quote
No
Robin
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26th Apr 08 at 17:37   View Garage View User's Profile U2U Member Reply With Quote
quote:
Originally posted by broster
massive thanks to rob for donating the parts!


which one?
csweatherston
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26th Apr 08 at 17:41   View User's Profile U2U Member Reply With Quote
bmw coils?
Olsrey
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26th Apr 08 at 18:22   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by csweatherston
bmw coils?
Look like the ones in my bmw.
Vaux Lad
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26th Apr 08 at 23:06   View User's Profile U2U Member Reply With Quote
Just looked back at this thread, some very impressive engine parts there.
So whats the final engine spec? I remember seeing 11'000rpm mentioned?

[Edited on 26-04-2008 by Vaux Lad]
RCS
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27th Apr 08 at 19:45   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by broster
RCS, thanks for the advice, think we have the mapping side covered here at jamsport tho, we have a fair bit of experience with it and the gotech system.


I'm not on about mapping, I'm on about fuel atomisation in the inlet tract.
Robin
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27th Apr 08 at 19:48   View Garage View User's Profile U2U Member Reply With Quote
But the timing of the fuel injection is down to the map...

Jamie has enough experience with building high spec engines to know what he needs to do.
RCS
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27th Apr 08 at 20:00   View User's Profile U2U Member Reply With Quote
I think you are getting the wrong idea. By 'earlier in the intake process' I mean not injecting the fuel at the back of the valve.

Fuel requires preparation. High engine speeds means reduced time to inject fuel. This means larger injectors, which inject larger droplets of fuel. These large droplets upset the combustion process.

Injecting the fuel earlier in the system allows the larger droplets to mix with the incoming air, turbulence from the throttle and vaporise with the heat leading to better fuel atomisation and better mixture homogenisation.
jr
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27th Apr 08 at 20:09   View User's Profile U2U Member Reply With Quote
ive read into it RCS, but not to that level

take it thats why alot of race engines (btcc modeo v6 for instance) injects the fuel into the trumpet , as apose to it beeing further down the inlet, causing the issue you have described
Robin
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27th Apr 08 at 20:27   View Garage View User's Profile U2U Member Reply With Quote
Right, with you know. I did misunderstand what you were saying.

An alternative injection setup has been discussed already
broster
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28th Apr 08 at 06:13   View Garage View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Dave A
will you need a cam sensor to run full sequential ign and injection with pro X ?


ignore robin he has lied to you.

yes you will need a cam sensor to run full sequential. i shall be modifying the cam pulley in a dblis(sp) style to get this.
broster
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28th Apr 08 at 06:14   View Garage View User's Profile U2U Member Reply With Quote
quote:
Originally posted by RCS
I think you are getting the wrong idea. By 'earlier in the intake process' I mean not injecting the fuel at the back of the valve.

Fuel requires preparation. High engine speeds means reduced time to inject fuel. This means larger injectors, which inject larger droplets of fuel. These large droplets upset the combustion process.

Injecting the fuel earlier in the system allows the larger droplets to mix with the incoming air, turbulence from the throttle and vaporise with the heat leading to better fuel atomisation and better mixture homogenisation.


i shall be running 8 injectors at a later date once its all up and running
broster
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28th Apr 08 at 06:19   View Garage View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Vaux Lad
Just looked back at this thread, some very impressive engine parts there.
So whats the final engine spec? I remember seeing 11'000rpm mentioned?

[Edited on 26-04-2008 by Vaux Lad]


final engine spec (if i remember everything):

some custom ground wild cams
double valve springs
solid lifters
bronze valve guides
jamsport ported head
45mm taper throttle bodies
90mm trumpets
kent verneir pullies
btb/sbd/vsport tubular manifold
funky valves
sbd idler's
electric water pump
dry sump
light weight pullies to suit dry sump
sainz con rods
woosner modified pistons
broddled block
dk engineering crank
helix ally flywheel
helix 4 paddle clutch
atb diff
gotech mfi pro x ecu
custom loom

thats the basics of it without going into mad detail


it will run to 11,000rpm all the bits have been proven to that level, however im a bit scared ill have the rev limiter at 10,500, it doesnt sound as scary!
Dave A
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28th Apr 08 at 09:25   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by broster
quote:
Originally posted by Dave A
will you need a cam sensor to run full sequential ign and injection with pro X ?


ignore robin he has lied to you.

yes you will need a cam sensor to run full sequential. i shall be modifying the cam pulley in a dblis(sp) style to get this.




I spent all day sunday thinking how you would do it without a cam sensor robin

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