RichG
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Posts posted by RichG
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Terry, Beautiful! Can't wait to see it! I'll have to see if I can get with Tony and see it in person. Congrats!!!
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1970 Rad Support is PN 3955032, 1971 is PN 3982477 and 1972 is PN 6261966. All three years are different.
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According to the GM parts catalog they are different. 1972 Chevelle is listed as PN 3992652 & 1972 Monte is listed as PN 6261996. The parts catalog has a printing date of July 1972.
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I'm like Andy. Big Block (mostly stock) 4 speed with Air conditioning. Totally stock cooling system with 3 row copper radiator, 7 blade clutch fan, 160 thermostat and stock fan shroud. NEVER gets above 180, even in summer w/ac on and idling. Ok, A/C needs a charge now, but when it did cool, the car still never overheated. Gotta love the factory engineering!
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Stay away from Painless. It's nicknamed "pain in the a##" for a reason. M&H makes excellent products as does American Auto Wire. Painless is cheap but NOT painless to work with. Try to describe your electrical issues here and you will get good sound advice from folks that have been there, done that.
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You need to weld the screw holes closed. If you just fill with bondo, it may eventually crack and fall out leaving a hole. The proper method is a quick blast with a mig welder and grind it smooth. No future worries.
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Most of the fiberglass pieces are not direct bolt on affairs. They are mostly designed for racing applications. Also, virtually all of the fiberlass components require topcoating, they are not designed to be "weatherproof" as they come out of the box. You would probably be better off with a quick Maaco $250-$500 paint job. They will do satin black if that is the look you are after.
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No problem. This radio would have had 2 front speakers anyway if it was installed in a car with Air Conditioning. Because it came in a car without A/C it has one speaker.
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I think this seller is trying to capitolize on the # stamping on the motor. There are lots of blocks with the right casting date but they usually have the front pad info machined off. That said, this block only has extra value to ONE car! Just my opinion!
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It was sunny and 50 degrees yesterday so I took it out and drove it. Put about 20 miles on it. They will be spreading the salt and brine soon so it will be going into a car bag in the garage as soon as that happens.
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I have 255/60R15's on 7" stock ralley wheels. No clearance issues at all.
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I'd post a wanted ad in the parts section. I'm sure someone has an old one that they will get rid of. They are not reproduced, so used is your only option. They are out there, usually pretty cheap.
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Z-bar is the same, it is the z-bar mounting bracket on the frame that is different. $200 seems like a fair price I guess.
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The list I posted was for the 1972 Monte, I based it on the original posters screen name. The AMA sheets list each years engine, trans and rear specs, for what was standard and optional. As an example, they show the M-20 4-speed for 1970 & 71 but not for 1972.
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350 2 barrel 10 bolt rear, 3 speed manual got 3.08
350 2 barrel 10 bolt rear, powerglide & turbo 350 2.73 standard 3.36 optional
350 4 barrel and up, 12 bolt rear 2.73 std 3.31 optional
454 turbo400 3.31 std
according to the AMA Data.
The page we have on decoding the rears includes chevelle data and chevelles had "more & different" gear ratios available. Chevelles could get a 4.10 in the 12 bolt, Monte's could not.
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Has this been confirmed? I need to see if there is a build sheet for mine. I know it has a 350 and it was swapped at some point and it has a Rochester Quad 4bbl that is suppose to be original and it does from the info I could find have a 10 bolt 8.5 no posi in the rear? hmm need to delve deeper into codes on this car when I get out under it next.
Yes, it has been confirmed. If you look at the AMA documents that Chevy filed, they clearly show that a 350 2 barrel got a 10 bolt and that 350 4 barrel and up all got 12 bolts. There was no option code to upgrade a 10 bolt to a 12 bolt, or to downgrade a 12 bolt to a 10 bolt. You can look at the AMA booklets if you got to the Restorer forum and look on page 5 for a topic called "Great Source of Information" There is a link to the booklets for each year of Monte Carlo.
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My first Monte was a 1971 SS454 in Rosewood with black top and black bench seat. Loved that car! You don't see many 71's in Rosewood. I really liked the color.
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My 70 Monte was a 1 owner very original car when I bought it and it did not have the decal. My 71 SS454 car did not have it either.
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I can't speak for 1971 or 1972, but in 1970 they marketed the 402 as a 400. The 400 Turbo Fire was the small block 2 barrel and was labeled as 400 Turbo Fire, the 402 was called a 400 Turbo Jet and the air cleaned decal said that. Don't know what they did for 71 & 72 because they didn't offer the 400 small block anymore.
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Bad U-Joint?
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I tried doing some research. Closest answer I could find said that manual trans carbs have a vacuum pull off for idle when you take your foot off the gas. Sort of keeps the rpm's up a little. Seems that most rebuilders leave them off. Seems like a MT carb will work fine in an Automatic car. I swapped my Q-Jet out in the early 80's for a Carter. Should have kept the Q-Jet but who knew?
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the throttle arm would be different, no need for kickdown linkage on a manual trans.
I'm not sure that is entirely correct because the TH-400 has an electric kickdown switch mounted on the accelerator pedal bracket. My guess would be the quantity of vacuum ports because a manual trans doesn't have a modulator. Just a guess.
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I'm reading this late, but have a couple of questions. Do you run an overflow bottle or just the factory overflow hose to the ground? If you just have the hose, the radiator full mark when cold is about 6" below the filler neck. Stock radiators have a mark. If you fill it to just below the neck, the fluid has no where to expand when it gets warm so it pukes on the ground. Cars with an overflow bottle get filled to the top cause the bottle catches the overflow. I don't think I read if you have a bottle or not.
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I love this stuff. I also really enjoy the line drawings and pictures of the clay design models. Interestiong to watch the progression of a design element, see what almost was or to see what thankfully didn't happen. Somewhere there is a picture of a full size clay model of a 4 door hardtop 1970 Monte.
Headlight Reminder/Buzzer
in Electrical Tech
Posted
I bought a little kit at my Chevy dealer several years ago. It was $4.95 Two wires hooked up to a buzzer. Pretty simple install. One lead goes to the inst lamps fuse and the other you use a test lead to find a circuit that goes dead when IGN is turned off. Buzzer stays off if lights are on and IGN is on, when lights are on and IGN off, the buzzer sounds.