MG Sports Cars

engine swaps and other performance upgrades, plus "factory" and Costello V8s

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ricey
Phil Rice
Chessington Surrey
(34 posts)

Registered:
07/05/2017 02:19AM

Main British Car:
Mgb gt 1975 3.9 rover

V8 conversion wiring
Posted by: ricey
Date: December 24, 2017 01:33PM

Hi all

Just doing a 3.9 rv8 conversion and want to clarify what you do with the coil feeds. I have fitted a 12v lucas 198 coil and am not sure what to do with the ballast resistance wire.

Do you cut it out and replace with a 12v feed? If so anyone got any pointers

Its a 1975 rubber bumper with 3.9 and 35dlm 3 pin dizzy

Merry xmas


88v8
Ivor Duarte
Gloucestershire UK
(1041 posts)

Registered:
02/11/2010 04:29AM

Main British Car:
1974 Land Rover Lightweight V8

Re: V8 conversion wiring
Posted by: 88v8
Date: December 29, 2017 04:58AM

As I mentioned in your other thread,
[forum.britishv8.org]
I believe this is a ballast coil, so it needs a ballasted feed.
Putting a constant 12V into a ballast coil will fry it.

Do sympathise with your problems, I had no-start issues with my engine, it's very annoying.

When you do get it going, there was an interesting thread about PCVs
[forum.britishv8.org]

Ivor


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