Author Topic: Do we have a real SS in the garage?  (Read 6202 times)

chris69ssx11

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Do we have a real SS in the garage?
« on: October 14, 2013, 03:45:50 AM »
Hi,

We purchased a 1969 Camaro off of eBay about two months ago... from all indications it appears to be a SS after reviewing the info on CRC?
Here's the specs, vin number and cowl tag info... is this a true SS?  any help or insight would be appreciated... thanks.

Specs...
350 small block, M-21 Muncie 4-speed, 12 bolt posi, multileaf springs, power front disc with rear drum brakes, power steering, center console with factory gauges, in dash 7k tachometer w/55k RPM red line, 2" cowl induction hood, dual fuel lines (primary with vapor return).
Note: The motor has been replaced with a zz4 crate engine with aluminum angle plug heads... don't know if the original motor was a small block or big block... the car sits a little high in the front so maybe the front coils were to support a big block?

Vin number...  124379N598xxx

Cowl tag info... ST 69 12437 NOR259593BDY
                         TR 723                   59 59 PNT
                              02B                   X11


jack92584

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Re: Do we have a real SS in the garage?
« Reply #1 on: October 14, 2013, 04:18:41 AM »
Might be an ss350 but with x11 cant be a big block.
Read about x codes here http://www.camaros.org/numbers.shtml#XnnCodes
69 Z28 / Hugger Orange /  Deluxe Houndstooth  / M21 / 4:10 Posi / GM of Canada documented

BULLITT65

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Re: Do we have a real SS in the garage?
« Reply #2 on: October 14, 2013, 06:19:51 AM »
Did you get any documentation with the car? (p.o.p., original invoice?)
1969 garnet red Z/28 46k mile unrestored X77
-Looking for 3192477 (front) spiral shocks 3192851 (rear)
-Looking for an original LOF soft ray windshield
-Looking for original Delco side post negative battery cable part # 6297651AV

buenymayor

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Re: Do we have a real SS in the garage?
« Reply #3 on: October 14, 2013, 11:18:45 AM »
If you don't have any origianl paperwork for the car, get the partial VIN stamping off the transmssion and see if matches the last 6 digits of the VIN of the car. You might post a picture of the stamp so the experts can confirm whether or not is an origianl stamp, or restamped. If it matches your car, is an origiinal stamp, and is a Muncie, it sounds like it could be an SS.

KurtS

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Re: Do we have a real SS in the garage?
« Reply #4 on: October 14, 2013, 04:23:03 PM »
1 or 2 fuel lines?
trans code?
axle code?
Kurt S
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Mark

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Re: Do we have a real SS in the garage?
« Reply #5 on: October 14, 2013, 04:27:23 PM »
M21's didn't come in small block SS's, sure its not just an M20?
Mark C.
1969 Indy Pace Car
350/300HP RPO Z11

DT

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Re: Do we have a real SS in the garage?
« Reply #6 on: October 14, 2013, 05:31:51 PM »
reinforcement plate for dual exhaust on rear driver side frame rail (in wheel well)  ????? 
Donny

vtfb68

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Re: Do we have a real SS in the garage?
« Reply #7 on: October 14, 2013, 08:09:15 PM »
 Mark,
 What kind of 4 Speeds came in SS cars?
     VT
05C LA RS/SS U2 712 L34 M21 BR
08E LA RS Y2 749 L30 M35
"In the pursuit of accuracy"

Mark

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Re: Do we have a real SS in the garage?
« Reply #8 on: October 14, 2013, 08:19:00 PM »
Small blocks got M20's, big blocks and Z28's got M20, M21, M22 depending on axle ratios. and engine combintations.
Mark C.
1969 Indy Pace Car
350/300HP RPO Z11

KurtS

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Re: Do we have a real SS in the garage?
« Reply #9 on: October 17, 2013, 04:01:23 AM »
Mark,
 What kind of 4 Speeds came in SS cars?
     VT
From http://www.camaros.org/trans.shtml#4speed:
The wide-ratio Muncie M20 was available with any of the high-performance engines, except the L78 and Z28 in 67 only came with the M21. The M20 was the only 4-speed available with the SS350 and the SS396/325 hp (L35) engines.
The close-ratio M21 was available only with the SS396/350 hp (L34) engine and the solid lifter engines (Z28, L78, and COPO).
The heavy-duty M22 was limited to just the solid-lifter engines, starting in Camaros in 1968.
Kurt S
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BULLITT65

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Re: Do we have a real SS in the garage?
« Reply #10 on: October 17, 2013, 04:43:22 AM »
Ok, what was the reasoning behind not having the M20 as an option on those? I was told on another thread that running the M20 actually gave you a lower 1st gear, to low for the big blocks, and they would just spin the tires and not be able to hook coming out of the hole?
1969 garnet red Z/28 46k mile unrestored X77
-Looking for 3192477 (front) spiral shocks 3192851 (rear)
-Looking for an original LOF soft ray windshield
-Looking for original Delco side post negative battery cable part # 6297651AV

KurtS

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Re: Do we have a real SS in the garage?
« Reply #11 on: October 19, 2013, 03:28:31 AM »
Not following.
> The wide-ratio Muncie M20 was available with any of the high-performance engines (except in 67)
Kurt S
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BULLITT65

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Re: Do we have a real SS in the garage?
« Reply #12 on: October 19, 2013, 04:45:35 AM »
ok I get it, why was the M21 only available with specific combos then?
1969 garnet red Z/28 46k mile unrestored X77
-Looking for 3192477 (front) spiral shocks 3192851 (rear)
-Looking for an original LOF soft ray windshield
-Looking for original Delco side post negative battery cable part # 6297651AV

JKZ27

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Re: Do we have a real SS in the garage?
« Reply #13 on: October 19, 2013, 02:03:43 PM »
ok I get it, why was the M21 only available with specific combos then?

It had to do with rear axle ratio and an engine's useable RPM range.
69 RS/SS Cortez Silver, L48 MC1
68 RS Ash/Ivy Gold 327EFI M20
79 Z28 Brown LM1 M21
12 Buick Regal GS

KurtS

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Re: Do we have a real SS in the garage?
« Reply #14 on: October 22, 2013, 05:35:57 AM »
Close-ratio is better when you want to be in the power band of the engine when you shift 3-4.
More important when racing, esp road-racing.
Kurt S
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