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AuthorTopic: Ignition Amplifier?  (Read 691 times)

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Offline Skippy

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Ignition Amplifier?
« on: June 29, 2006, 10:40:57 »
Quick question guys.

Tried to start my 3.9 Hotwire injected engine on sturday and it didnt want to ply at all! :(   I had just driven about 25 miles fine, left it for about an hour ish and then tried to start it.

Will turn over fine.
Plenty of fuel if you remove the pipe off the regulator.
No spark at all!

AA guy came and tested the coil....... OK.
He then tested the dizzy....... not OK.
He then removed the Amplifier off the side of the dizzy, and recons thats the cause of the problems after testing it.

Got a new one to try on Sat, but wondered if anybody else had any suggestions?

Just a word ow warning also, if you do need to purchase one of these amplifiers, they are obsolete, you now have to buy a 3 pin version and an adaptor cable that costs almost as much as the amplifier, BLOODY Landrover!! :evil:

Cheers
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1990 Landrover Discovery
Mods: 2" Lift, most of arches chopped out and replaced with Devon 4x4 arch extensions to accomodate 265/75/16 Grizzly Claws, hybrid Evans UK/Rimmer Brothers exhaust, 3.9 efi V8 (Soon to be 4.6 if i can get round to fitting it!!)fitted, Landy LPG system, bull Bar etc, etc........ Now also sporting a Safari snorkle, Discoparts Rock sliders with tree protection, Discoparts Rear Bumper, Warn XD9000 winch, ARB dulux Bull Bar, Evans UK full external & part internal roll cage & chequer plate........Also RPI Tornado chip.

1999 Series 2 V8 GS Disco........ The sensible One coz i aint allowed to modify it AT ALL! Couldnt resist........ it's now running a sweet TD5 Alive exhaust system which sounds great you can hear my car on the exhaust section of the TD5 Alive Web site!

Offline Range Rover Blues

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Ignition Amplifier?
« Reply #1 on: July 01, 2006, 03:43:01 »
Then try RPI engineering for a b****y awsome hand-bult state of the art amp, £125 with dual timing feature for LPG.

Dear Santa............
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Blue,  1988  Range Rover 3.5 EFi with plenty of toys bolted on
Chuggaboom, 1995 Range Rover Classic
1995 Range Rover Classic Vogue LSE with 5 big sticks of Blackpool rock under the bonnet.

Offline Skippy

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Ignition Amplifier?
« Reply #2 on: July 01, 2006, 15:13:47 »
Woo Hoo!!!  She's alive!!

After finding TDC as the AA guy hadnt marked anything up, and fitting the new amp, she's fine!!

I have set it to 3 deg BTDC and it seems fine but do you think i should go furthur as i run LPG?

Cheers
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1990 Landrover Discovery
Mods: 2" Lift, most of arches chopped out and replaced with Devon 4x4 arch extensions to accomodate 265/75/16 Grizzly Claws, hybrid Evans UK/Rimmer Brothers exhaust, 3.9 efi V8 (Soon to be 4.6 if i can get round to fitting it!!)fitted, Landy LPG system, bull Bar etc, etc........ Now also sporting a Safari snorkle, Discoparts Rock sliders with tree protection, Discoparts Rear Bumper, Warn XD9000 winch, ARB dulux Bull Bar, Evans UK full external & part internal roll cage & chequer plate........Also RPI Tornado chip.

1999 Series 2 V8 GS Disco........ The sensible One coz i aint allowed to modify it AT ALL! Couldnt resist........ it's now running a sweet TD5 Alive exhaust system which sounds great you can hear my car on the exhaust section of the TD5 Alive Web site!

Offline mark.yellow.series.3

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Ignition Amplifier?
« Reply #3 on: July 01, 2006, 16:15:02 »
didnt use an amp on mine, just the lumintion straight on the coil. and it runs like a dream.
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Offline Range Rover Blues

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Ignition Amplifier?
« Reply #4 on: July 01, 2006, 18:23:54 »
I'd think the static timing was further ahead than 3 degrees so set it back to standard, if you go any further it will damage your engine to run on petrol very quickly.

Running on LPG you can go probably about 5 degrees further to get the best out of a HC 3.9, some engines like to go to about 10 degrees further I'm told, some depends on how weak the mixture is.
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Chuggaboom, 1995 Range Rover Classic
1995 Range Rover Classic Vogue LSE with 5 big sticks of Blackpool rock under the bonnet.

Offline Skippy

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Ignition Amplifier?
« Reply #5 on: July 02, 2006, 11:33:15 »
i got that figure out of the haynes manual, and off the plate on the right hand bank, the haynes manual actually said 2deg BTDC +/- 1deg.  I even tried setting it about 2 deg after TDC and it idled like a bag of s**t!

Am i miss interpreting what the manual says?
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1990 Landrover Discovery
Mods: 2" Lift, most of arches chopped out and replaced with Devon 4x4 arch extensions to accomodate 265/75/16 Grizzly Claws, hybrid Evans UK/Rimmer Brothers exhaust, 3.9 efi V8 (Soon to be 4.6 if i can get round to fitting it!!)fitted, Landy LPG system, bull Bar etc, etc........ Now also sporting a Safari snorkle, Discoparts Rock sliders with tree protection, Discoparts Rear Bumper, Warn XD9000 winch, ARB dulux Bull Bar, Evans UK full external & part internal roll cage & chequer plate........Also RPI Tornado chip.

1999 Series 2 V8 GS Disco........ The sensible One coz i aint allowed to modify it AT ALL! Couldnt resist........ it's now running a sweet TD5 Alive exhaust system which sounds great you can hear my car on the exhaust section of the TD5 Alive Web site!
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