64 fuel injection question

[Wayne M.]

Re: 64 fuel injection question

....As I have mentioned many times before in writing. Dec 64 and Jan 65 FI cars were hit and miss on the vin number stamping. Maybe the guy on the line wasn't doing his/her job....

John --- Back in 1974, I used to own the '65 FI unit from [stamped] 5106114 (now reunited with its original January 1965 car). The Rochester tag showed unit #2642 [ie. the 1,642nd of model number 7017380] , which corresponds approximately to the VIN, making an allowance for service units and early '64 "375R" units for part of the total 1325 L84 cars of 1964 MY.

In the absence of the VIN derivative stamping, do the judges roughly correlate the unit # with the car's VIN ? The current 5th ed. of the '65 TIM&JG says "if ...(no stamped plenum)..consult with the team leader before assigning a deduction".

In that case, and in the absence of the triangular tag, would the unit # figure into this evaluation ?

[Billy B.]

Re: 64 fuel injection question

Thanks. Sounds like good advice. My car is very original with the exception that I am not sure the FI unit is the original one and the distributor currently in the car is an older 905 unit. Is it conclusive that my FI unit should be a 375R ? I have heard different opinions on that. Obviously the NCRS is the most authoritative source and the one I would trust. I have been told the switch was as early as the first 100 '64's produced but Mike Hanson's info below would suggest it was considerably later. Is there a VIN cut-off at which it is generally accepted they changed to the 380 unit? I want to be correct as I may have this car NCRS judged.
I am currently restoring my '54 then next will be my '57 fuelie and then the '64. I am "ramping up" trying to get info and get all my "ducks in a row" for the 64. It will be more of a cosmetic restoration while the other two have been/will be frame-up.

[Billy B.]

Re: 64 fuel injection question

Sorry, I guess that was Mike Lombardi's info I was referring to in my last post (not Mike Hanson as I inaccurately stated). I have been an NCRS member for a long time but have been sort of "inactive"for quite a while, what with college then professional school and then work and just generally being distracted with other stuff. So I have forgotten most of what I used to know about these technical originality/ restoration issues. I want to say thanks again and that this is really an awesome forum. Nothing on the internet compares!

[William C.]

Re: 64 fuel injection question

TSB 880 covering the replacement of wobble pumps with gear pumps specified a S/N cutoff in the 6000 serial number range for this change, and I believe no '380 units were produced with the wobble pump. so your serial number would very likely put you easily into the usage of the 375R If I read your post correctly about the car being in the range between 1000-2000 in serial numbers. Have you verified what unit is on the car? Cranking signal valve or electric solenoid starting system?

[John D.]

Re: 64 fuel injection question

Clupper is right for sure.
Here is exactly what an 063 FI distributor is. It's a left over 63 '022 distributor with a 236 vac advance for the 30-30 cam. Everything else is 100% identical to the 63.
As far as the curve it's way out in left field. Now others may disagree but you'll have that.
The 070 is far superior for the 30-30 cam 64 whether it be a 375R unit or a 380 unit.
Billy you should not have too much trouble getting an 070 as they are all over the fleas. Don't be taken by the high prices seen on the auction sites for them.
I always say if you are going to find a FI distributor walking around most likely it would be an 070. Then just order a nice correct tag.
I don't typically do this but I happen to know a dude who has a ton of original 063 tags. Can't tell you who though.

[William C.]

Re: 64 fuel injection question

The 070 is relatively easy to find because it was the Service Distributor for all years, available from your local Chevy dealership for many years. THE one to use especially on a 63-65 unit.

[Billy B.]

Re: 64 fuel injection question

The car is across the county in storage, so I haven't been able to check to clarify which FI Unit it has as of yet. It will be a few days before I get to do so as I am going out of town for a bit on Tuesday. I have seen 070 distributors on Ebay and elsewhere for pretty high prices ($1200-$1500)but they don't appear to be selling. I will "report back" as soon as I confirm which unit I have. Thanks again!!

[Doug L.]

Re: 64 fuel injection question

Bill, Your early 1964 FI car should have a #375R unit with NO Vin# stamped on it at all. I"ve been try to put together a list of cars were the change over took place and as close as I can see sometime around early, if not the beginning of Jan. 64, to a #380 unit. Some very late 64 car might have the Vin# stamped in the back.

Hi Mike,
I have 1964 vin 7060 with body build date of 13 Dec '63 and the ...375 injector. The vin no. is not stamped on my FI unit

Doug Loeffler