Attn:Joe Lucia :Need Update GM#'s on Points

[Larry E.]

Hello:

Went through my parts bin yesterday and came up with the following Contact Points:

D106P #1931988

D112P #1966294

D109P #1949838

D1007 #1876600 (With built in condenser)

Condenser #1932004 (For the above Point Sets)

Questions: On the above which is the best points for a solid lifter small block
eg: LT-1 70 Z-28? Would they all work with the Non-Transistor Big Blocks?

Are all above numbers still good or is there a new GM number for them?

Any help would be welcome. Thanks: Larry

[Duke W.]

Re: Attn:Joe Lucia :Need Update GM#'s on Points

For engines (SB or BB) with rev limits above 5500 I recommend the high breaker arm tension (28-32 oz.) points, which are the D112P that are long out of production.

GM/Delco no longer makes point sets, but purchases them from outside vendors, most likely Standard Ignition Products, which now owns all the traditional replacement name brands, - Echlin, BWD, Niehoff in addition to their own Standard and Blue Streak line, and Standard is the likely source for ignition products sold by Delco.

The other brands still offer the high breaker arm tension points: Echlin CS89, BWD A112HP, Standard (Blue Streak)DR-2371HP.

All the other sets have the same 19-23 oz. breaker arm tension, but differ by the method of lead attachment (screw or spring clip) and separate or integral condenser. Functionally, they are all the same, and any from a name brand source are satisfactory (and likely from the same manufacturing source) for engines with redlines of 5500 or less.

Duke

[Clem Z.]

shim the movable point arm with foam rubber

we did this for years when there were no heavy spring tension points available

[Joe L.]

Re: Attn:Joe Lucia :Need Update GM#'s on Points

Larry-----

The D106P, aka GM #1931988, is the standard point set applicable to most 1958-74 applications. This point set uses the "clip on" wire terminals. It's long-since GM discontinued.

The D112P, aka GM #1966294 is, as Duke mentioned, the "high spring tension" point set used for many 66-71 HP and SHP applications not using TI and all 1972-74 applications. This point set is long-since discontinued.

The D109P, aka GM #1949838, was used, primarily, for some Chevrolet and GMC truck applications with V-8 engines. I don't know how they differ from the other point sets. However, they are functionally interchangeable with the others. They are long-since discontinued.

The D1007P, aka GM #1876600, is the Uni-Set style points with integral breaker points and condensor. I don't think that these were ever used in PRODUCTION, but became a SERVICE alternative sometime in the mid 70's. This point set is long-since GM-discontinued.

The GM #1932004 is the separate condenser used for most, but not all, point sets requiring a separate condenser. It was used for many years. It was discontinued some time ago and is replaced by GM #12338665.

All of the above point sets are replaced by the GM #12338659. The latter is a Uni-Set type unit and, as Duke mentioned, is not manufactured by any GM or DELPHI manufacturing entity.

Probably the best point set for a solid lifter small block would be the D112P. However, keep in mind that the higher spring tension will generate higher distributor cam wear. The distributor cams are discontinued and, as far as I know, not available in the reproduction or replacement markets. For a limited-use type situation, though, wear is probabaly an irrelevant issue.

[John D.]

Re: shim the movable point arm with foam rubber

Smokey Clem, I can't believe what you just said. I bet you learned that trick from our our old friend Tim Grabiak. I can remember him doing that to my new 65 and it would rev to 7 grand on the stock points. Danny's TI car though would rev even higher. Remember missing a shift though at 7 grand and that was all she wrote. Wonder if it's matching numbers today. Probably. heee.
I haven't heard anyone say to use the piece of rubber behind ign. points for at least 30 years. Showing your age now old timer.
We use the NAPA points exclusively. Trouble now is there is no more Echlin I believe. Standard bought them out according to our local NAPA store. We use the CS 786P points with no problems. Happy New Year, John

[george romano]

Re: Attn:Joe Lucia :Need Update GM#'s on Points

Joe--

What would the application be for this point/condenser set?

GM# 1154032 Point Pkg.
GM# 1154034 Condenser

They are brand new still in the blue/white/black GM Parts boxes.

Thanks for any help.

George

[Joe L.]

Re: Attn:Joe Lucia :Need Update GM#'s on Points

George-----

They are applicable to most 62-74 Corvette and other GM applications. Basically, they are the same as the standard points. However, these parts were NEVER available from GM under the part numbers you mentioned. Instead, they were sold only as components of tune-up kit GM #1154002 (and others). These kits contained spark plugs for the specific application, points and condenser, each packaged in individual boxes. The part numbers on the boxes were not available separately. Someone has "separated" the components of the kit and you have the points and condenser from same.

[george romano]

Re: Attn:Joe Lucia :Need Update GM#'s on Points

Thanks Joe. I appreciate the info!

George

[Clem Z.]

i probably showed tim that trick as i was using

it back in the late 50s with the high HP chevys.

[Larry E.]

Re: Attn:Joe Lucia :Need Update GM#'s on Points

Hello:

Thanks to all of you for the responses. You guys are the best.

Larry