Distributor with limiter

Logbed · Monday at 10:49 AM

My 334 small block needs a distributor and there might be enough power in it for needing a rev limiter too

I have understood the GM Performance LT4 hot cam asks for melonized gear in the distributor, should this one work? Any posseible fitment issues?

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For the rev limiter, should this fit in the distributor?

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Or should I go with a box with rev limiter?

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Propably having to order stuff overseas, I would not like to go wrong...

Matt69olds · Monday at 5:38 PM

I had one of the MSD ignition modules in my 455 powered 87 Cutlass, I was not impressed.

While the car always ran, I always felt it didn’t run as well as it should have. My suspicions were confirmed when I sold the car to my brother in law, he promptly gutted it to basically turn it into a race car. It pained me to tear out the functioning A/C, cruise, overdrive transmissions, all the stuff I lovingly repaired.

Anyway, that module came out, and a MSD6AL box went in so he could use a Nitrous’s controller. The car suddenly ran much stronger, at that point nothing had changed to the engine yet other than the ignition.

Maybe I got a bad module? No clue. That’s my only experience with them. Given the choice, I’d go with a real ignition box.

bucket · Monday at 10:20 PM

Matt69olds said:
I had one of the MSD ignition modules in my 455 powered 87 Cutlass, I was not impressed.

While the car always ran, I always felt it didn’t run as well as it should have. My suspicions were confirmed when I sold the car to my brother in law, he promptly gutted it to basically turn it into a race car. It pained me to tear out the functioning A/C, cruise, overdrive transmissions, all the stuff I lovingly repaired.

Anyway, that module came out, and a MSD6AL box went in so he could use a Nitrous’s controller. The car suddenly ran much stronger, at that point nothing had changed to the engine yet other than the ignition.

Maybe I got a bad module? No clue. That’s my only experience with them. Given the choice, I’d go with a real ignition box.

I have one that always seemed to work really well and the engine ran strong. This last summer, the truck randomly wouldn't start and it turned out that it lost spark. Knowing that HEI ignition coils basically never fail, I replaced that MSD module with a Napa Echlin module. Well it turned out... the coil was bad, lol.

But anywho, the truck ran just as good with the MSD module as it did with the standard type module. This reminds me that I need to put the MSD module back in so I have a rev limiter again.

Distributor with limiter

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FAST XDi Street HEI Distributors 303051

FAST 303051 FAST XDi Street HEI Distributors | Summit Racing

MSD Digital GM High Energy Modules with Rev Limiters 83647

MSD Ignition 83647 MSD Digital GM High Energy Modules with Rev Limiters | Summit Racing

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MSD Ignition 5520 MSD Street Fire CD Ignitions | Summit Racing

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Distributor with limiter

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FAST XDi Street HEI Distributors 303051​

FAST 303051 FAST XDi Street HEI Distributors | Summit Racing

MSD Digital GM High Energy Modules with Rev Limiters 83647​

MSD Ignition 83647 MSD Digital GM High Energy Modules with Rev Limiters | Summit Racing

MSD Street Fire CD Ignitions 5520​

MSD Ignition 5520 MSD Street Fire CD Ignitions | Summit Racing

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Matt69olds

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FAST XDi Street HEI Distributors 303051

MSD Digital GM High Energy Modules with Rev Limiters 83647

MSD Street Fire CD Ignitions 5520