Author Topic: 71 rebuild  (Read 127820 times)

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Offline wabco40

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Re: 71 rebuild
« Reply #780 on: January 22, 2019, 07:03:21 AM »
I have been doing a few changes to the ignition system and have got rid of the distributor and will be using coil near plug setup.
My ignition has always been controlled from a crank trigger and I was only using the distributor to drive the oil pump, supply a cam sync for sequential injection and to distribute the spark from the coil to the spark plugs.
The distributor is now replaced with an MSD distributor plug that drives the oil pump and supplies a Hall effect cam sync. My previous MSD ignition box is also replaced with FAST ignition module to control the individual coils.
I am still in the process of wiring everything up. The coils will be mounted on the heat shields on the bottom of the firewall. I've made up stronger shields using 3mil aluminium instead of using the thin steel shields.
I am away working for the next few weeks, so will finish off when I get back home.












Offline Bfit

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Re: 71 rebuild
« Reply #781 on: January 22, 2019, 10:35:49 AM »
neat and tidy as usual
Brad Here is something you could consider if you run out of things to do.

Bfit
Freedom's just another word for nothin' left to lose
George Orwell 1984

Offline wabco40

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Re: 71 rebuild
« Reply #782 on: January 22, 2019, 01:32:14 PM »
neat and tidy as usual
Brad Here is something you could consider if you run out of things to do.

Bfit

The wiring is a mess Bob, I am still in the process of terminating and routing the harnesses.

What’s the rear end out of?

Offline Jethro

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Re: 71 rebuild
« Reply #783 on: January 22, 2019, 02:51:47 PM »
Commy ?

Offline Bfit

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Re: 71 rebuild
« Reply #784 on: January 22, 2019, 06:11:54 PM »
neat and tidy as usual
Brad Here is something you could consider if you run out of things to do.

Bfit

VF GTS  same as a gen 5 Camaro zl1
Freedom's just another word for nothin' left to lose
George Orwell 1984

Offline wabco40

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Re: 71 rebuild
« Reply #785 on: January 22, 2019, 10:03:20 PM »
VF GTS  same as a gen 5 Camaro zl1

Cool. I didn't catch on when Jethro said Commy.

Do you have some more pictures of the install?

Offline wabco40

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Re: 71 rebuild
« Reply #786 on: March 29, 2019, 02:02:03 PM »
It's been awhile between post. I've had my car back on the road for a month or so now and the ignition system is working well.

The ECU and ignition module are mounted behind the right dash pad. The fuses and diagnostic lights can be seen by looking up from the foot well but cannot be seen from the normal seating position.
I have the coil packs mounted to the shields at the base of the firewall and the ht leads routed along the side of the block and then up to each spark plug.

There is no noticeable difference in performance between the old and new ignition systems, other than the idle being slightly richer now and required me to lean the fuel table out on this part of the map. I don't think this has to do with changing the ignition system though.

The engine bay certainly looks a lot cleaner now without the distributor and ht leads.

The last picture was taken at the Gosnells Hotel car show a few weeks ago.
















Offline Jethro

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Re: 71 rebuild
« Reply #787 on: March 29, 2019, 02:27:05 PM »
Bloody ORSUM BradO


Offline craigh

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Re: 71 rebuild
« Reply #788 on: March 29, 2019, 03:05:44 PM »
Nice clean look Brad

Offline wabco40

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Re: 71 rebuild
« Reply #789 on: March 29, 2019, 04:59:00 PM »

Offline wabco40

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Re: 71 rebuild
« Reply #790 on: March 29, 2019, 05:00:19 PM »
Nice clean look Brad

Thanks Craig. How’s your assembly going?

Offline craigh

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Re: 71 rebuild
« Reply #791 on: March 29, 2019, 05:22:15 PM »
Thanks Craig. How’s your assembly going?

Way too slow Brad.