Start Retard for MSD Ready To Run Distributor - Chevelle Tech
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post #1 of 32 (permalink) Old Jan 18th, 20, 10:00 AM Thread Starter
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John
 
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Start Retard for MSD Ready To Run Distributor

I want to lockout my timing but need a start retard to prevent kickback. Unfortunately it looks like all the start retard units MSD makes have a 2 wire hookup to the distributor but my distributor (MSD Ready to Run) has a 3 wire. I'm also running an MSD 6 box. I just can't imagine MSD doesn't make something to work with their ready to run distributor but I can't find it.

Anyone know of a product or a way to retard the timing when I start the car?

'70 Malibu, 454 w/Brodix Ovals, TH400 w/10" ATI, 12 bolt with 4:11's
2013 ZL1 Camaro, Ashen Gray Metallic, No Mods YET
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post #2 of 32 (permalink) Old Jan 18th, 20, 10:27 AM
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Re: Start Retard for MSD Ready To Run Distributor

On my car I have a toggle switch for the power wire to crane box,,spin it over then flip the switch,,no issues and simple
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post #3 of 32 (permalink) Old Jan 18th, 20, 10:33 AM Thread Starter
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Re: Start Retard for MSD Ready To Run Distributor

Quote:
Originally Posted by mino65 View Post
On my car I have a toggle switch for the power wire to crane box,,spin it over then flip the switch,,no issues and simple
That's my backup plan .

I'm concerned I will forget to use it and have mashed up teeth

'70 Malibu, 454 w/Brodix Ovals, TH400 w/10" ATI, 12 bolt with 4:11's
2013 ZL1 Camaro, Ashen Gray Metallic, No Mods YET
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post #4 of 32 (permalink) Old Jan 18th, 20, 10:59 AM
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Re: Start Retard for MSD Ready To Run Distributor

You can always just knock a few degrees out for the street, say like 4-5* then crank it back in on race day. You will still get all the benefits of the locked-out timing and wont notice the slight loss of top-end power (on the street).

PS - Consider a stronger starter if you haven't already. I'm running a used zz502 starter on my 502 and it cranks the engine over easily with locked out timing. I dont think its anything different that comes on GM engines. I'm only 9.8:1 though.
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post #5 of 32 (permalink) Old Jan 18th, 20, 1:49 PM
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Re: Start Retard for MSD Ready To Run Distributor

I had tried to use the MSD 8984 but it wasn't a successful venture. It worked well enough for the retard function but the car would simply stop running at the most inconvenient times for no reason. MSD told me it was my wire routing but
that was not the case. It didn't matter how the wires were routed, the car would shut off when it would shut off, meaning sporadically. Disconnected the unit and it ran fine. I tried 3 of them and they all did it.

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post #6 of 32 (permalink) Old Jan 18th, 20, 2:46 PM
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Re: Start Retard for MSD Ready To Run Distributor

This?

https://www.summitracing.com/parts/msd-8680/
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post #7 of 32 (permalink) Old Jan 18th, 20, 2:57 PM Thread Starter
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Quote:
Originally Posted by 69-CHVL View Post
You can always just knock a few degrees out for the street, say like 4-5* then crank it back in on race day. You will still get all the benefits of the locked-out timing and wont notice the slight loss of top-end power (on the street).

PS - Consider a stronger starter if you haven't already. I'm running a used zz502 starter on my 502 and it cranks the engine over easily with locked out timing. I dont think its anything different that comes on GM engines. I'm only 9.8:1 though.
To be honest I'm not addressing the real problem...my converter is too tight and unless I run at least 20* of initial timing it stalls when I put it in gear. Due to money and my one car garage I'm just trying to figure out a quick, cheap fix.
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post #8 of 32 (permalink) Old Jan 18th, 20, 3:02 PM Thread Starter
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Quote:
Originally Posted by aukai View Post
I looked at that unit too. Not sure how it works...I'm assuming I can dial back to 1 when i start the car to retard the timing and then crank it up to 15 once it's started to get my full initial timing. Can anyone confirm? Will it still let the distributor advance per the set curve?
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post #9 of 32 (permalink) Old Jan 19th, 20, 8:06 AM
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How small is the converter and what are the cam spec and cubic inch engine?

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post #10 of 32 (permalink) Old Jan 19th, 20, 9:29 AM
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Re: Start Retard for MSD Ready To Run Distributor

Use a single points distributor and remove the springs to the weights...
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post #11 of 32 (permalink) Old Jan 19th, 20, 11:15 PM
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Re: Start Retard for MSD Ready To Run Distributor

Quote:
Originally Posted by rednecks70 View Post
I want to lockout my timing but need a start retard to prevent kickback. Unfortunately it looks like all the start retard units MSD makes have a 2 wire hookup to the distributor but my distributor (MSD Ready to Run) has a 3 wire. I'm also running an MSD 6 box. I just can't imagine MSD doesn't make something to work with their ready to run distributor but I can't find it.

Anyone know of a product or a way to retard the timing when I start the car?
John
Did you lockout the distributor. When you started it. Did the engine kick back ?

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post #12 of 32 (permalink) Old Jan 20th, 20, 12:03 AM Thread Starter
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Yes, I locked the timing and started the car...it bent the crap out of the starter bolts and trashed the threads.

Converter is a 10" from ATI. They originally sent me an 8" and it was way too close for the street. Just need to find a happy medium.

'70 Malibu, 454 w/Brodix Ovals, TH400 w/10" ATI, 12 bolt with 4:11's
2013 ZL1 Camaro, Ashen Gray Metallic, No Mods YET
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post #13 of 32 (permalink) Old Jan 20th, 20, 7:50 AM
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Eng size & what camshaft are you using

68 malibu 402 cid w/iron ret ports
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post #14 of 32 (permalink) Old Jan 20th, 20, 9:14 AM
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Re: Start Retard for MSD Ready To Run Distributor

Quote:
Originally Posted by rednecks70 View Post
I want to lockout my timing but need a start retard to prevent kickback. Unfortunately it looks like all the start retard units MSD makes have a 2 wire hookup to the distributor but my distributor (MSD Ready to Run) has a 3 wire. I'm also running an MSD 6 box. I just can't imagine MSD doesn't make something to work with their ready to run distributor but I can't find it.

Anyone know of a product or a way to retard the timing when I start the car?
If you are using a 6 box then you can use the start retard box part number 8984. It would go between the distributor and 6 box on the white points wire.

Points wire from distributor goes to retard box, retard box has an output wire that goes to the white points wire for msd box.

Lay the two sets of instructions next to eachother and you will see how it works.

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post #15 of 32 (permalink) Old Jan 20th, 20, 9:54 AM
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Re: Start Retard for MSD Ready To Run Distributor

here is my setup,,clear toggle is to ign box,,push button to spin and flip switch to start,,2 fingers
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