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Original Carb?

JCroadrunner

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I have a 70 RR, 383 auto, with AC. When I got it it had a Holley on it and I’m pretty sure it’s a 650cfm. I’m looking to replace it but not sure that’s what came on it from factory. Anybody know for sure.
 
Do you have the BS? That will tell you. Also check here: Parts Manuals – MyMopar

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I don't know about 70s, but 69 a/c auto 383 rr's got holleys. What is the list # and date on your holley? (Info is on the front of the choke horn).
 
I have a 70 RR, 383 auto, with AC. When I got it it had a Holley on it and I’m pretty sure it’s a 650cfm. I’m looking to replace it but not sure that’s what came on it from factory. Anybody know for sure.
Not sure if this will help…..my 69 Charger 383 HP has a avs 4 barrel Carter…it was rated 630 to 650……I’m presuming your Holley would be in that range….
 
70 383 RR's got a Holly with vacuum secondaries. Numbers I don't remember.
 
My carbs list number is 4166, other number on air horn is 2708. Carb number on build sheet is 62.
 
I think these guys above me know. I "thought" the 70 Roadrunner 383's with A/C got Holleys and were rated at 330hp instead of 335hp (or something like that?)
 
My build sheet says Carb 62. So according to the parts book it originally came on a 440? My original engine is a 383, “RM23N0G”. Am I reading the parts sheet wrong?
 
All sources say 4166 was used on 1967-1969 440 not a 383. a lot of info is in the FSM. Have you looked at yours ?
 
My build sheet says Carb 62. So according to the parts book it originally came on a 440? My original engine is a 383, “RM23N0G”. Am I reading the parts sheet wrong?
Is the build sheet for your car, a dumb question.
 
My build sheet says Carb 62. So according to the parts book it originally came on a 440? My original engine is a 383, “RM23N0G”. Am I reading the parts sheet wrong?

Yes. You are reading it incorrectly. That number is a reference to another section of the parts book with additional information on that specific carb. It is not a reference to the BS code.

Code 62 = Holley 4369 = just as 33IMP posted in #6.
 
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