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Entries in 327 (5)

Monday
Feb032014

1964 Impala SS

Lets jog the neurons of our memory for a moment, and a few decades.

The first car had been disposed of, while the 327 was kept for future use. Those were the days when cars were stripped of useful parts prior to disposing of the remains.

This dealer takes in a trade a 1964 Impala SS, black with white bucket seats, a tired 283, a 4 speed with the original GM shifter, and a factory tachometer on the dash. Although the front floors were corroded, the car looked pretty good, and the 4 speed made it irresistible. 

Obvious no power brakes or steering, AM radio...yes drum brakes.

The perfect cars to reuse the 327. 

At the time the car was not a lot of money, and it was acquired. 

Obvious that all the brakes lines were replaced not to relive the experience with the 1963 Biscayne, and a stout brake booster was located that generated enough pressure to literally smoke the front brake linings. 

Great now there are brakes...disc brakes were in the distant future.

The 327 replaced the tired 283, which at the time was probably rebuilt and sold as a decent used 283. The tight student budgets always generated a level of creativity to make some additional money. 

Compared to the 63 Biscayne which had exhaust pipes, glass pack mufflers, and shorty under the car tailpipes. This 64 had the complete exhaust with tailpipes to the rear. Yes...it increased the back pressure but the car was quieter inside. 

Surely replaced a multitude of steering parts, starting with idler arms which were a weak area.

At some point the opportunity to acquire almost new 7 inch steel (also known as station wagon wheels) wheels appeared. This provided the opportunity to have bigger tires in the rear for improved traction. 

Think about this for a moment, 64 black Impala SS, a 327 with a Duntov mechanical cam, factory 4 speed, stout drum brakes, 7 inch wheels, not a bad car even if the body was corroded in the floors. 

The factory tachometer that ended at 5,500 RPM was deactivated and the Sun Super tach from the 63 was installed on the dash...that 327 loved to spin beyond 5,500.

At one point an electric fuel pump made its way in the trunk (electric pumps are pushers) with a separate kill switch under the dash...great anti theft system...shut off the pump...the car starts empties the carburetor and stops. Don't ask why resort to an elctric fuel pump...its a long story.

After a short period of time the cars was no longer a daily driver and relegated to the "its a toy", it hung around for a few years, then sold to a friend of a friend.

At one point the new owner mentions "The engine in that car once I took it apart was pretty tired"....the reply "Not surprised...that engine was wound up to 6,500 RPM on numerous occasions...and never came apart"

Then "Most of the rings were broken"...reply "Makes sense got the engine used, could not afford to have it rebored and new pistons, spinning it to 6,500 in worn cylinders" 

"Did you notice the heads are ported, the roller timing chain, the deburred block, the polished rods, the monster oil pump from a 427 to deal with the oil cooler, the distributor with no vacuum advance, and make sure you use points from a 478 magnum with the stiffer spring (regular point would float and misfire).

The reply from the new owner "Its still a fun car"..."I know...its a darn pity the body is corroded".

Obvious...imagine having that car today.

 

 

Tuesday
Feb052013

The 327 - Part 1

We continue with our conversation with The Colonel.

Q- You surely had some memorable experiences with that engine in the car.

A- Yes...several...once revved it up to 6,800 RPM which was almost scary. Another time cruising at 4,000 RPM for an extended period...with wonderful sounds coming from the engine.

Q- You were young back then and perhaps invincible.

A- You had to be young and invincible to to do certain things with that car.

Q- Are you saying that the rest of the car was not "engineered" to deal with the power. 

A- Precisely...

Q- Care to expand?

A- That car started life as an econo 6 cylinder coupe, with a barely adequate suspension, manual steering with many turns lock to lock, and drum brakes with no pwer assisi and a single circuit.

Q- In hindsight although it was a few decades ago, what did you learn about the engine?

A- It was reasonable for an engine built on a student budget, and if you want to spin engines you need a rebore to have proper ring sealing. When you experiment, get creative you have to be ready for more than less work. Small block Chevies need cooling (water and oil) if you want to run them hard. 

Q- Cooling...run them hard?

A- A 327 with a Duntov cam, and a bigger than smaller carburetor you had a to keep the revs up to get achieve a level of performance, which usually entailed more than less cooling, and needless to mention poor fuel economy. There was a good level of power, but not the ideal street engine for a daily driver. 

Q- Back then who cared?

A- Precisely...the idea was to have a lively small block, one that came alive, with a limited bottom end, but an explosive top end. In a hindsight a 350 with the longer stroke was a slow engine compared to a 327 that one instant was at 3,000 and another at 6,000.

Q- No rev limiters / governors.

A- You were the ECU with your right foot, and at those revolutions and without a scattershield missing a shift was not an option. You would slam a 1 to 2 shift very hard to ensure that it went into second gear, the Hurst shifter was not a luxury. 

Q- What did you learn about the car...in hindsight?

A- These were the days of bias belted tires, 5 inch rims, X frames, no stabiliser bars, long winded steerings, and drum brakes, and on a student budget. 

Q- Of all the shortcomings...you mentioned several...which one was the worst?

A- The brakes- you simply could not stop those cars, never could apply enough pressure with manual brakes, the brakes would heat up, they would fade, the linings would glaze which then required even more pressure.

Q- Sounds like a vicious circle...brake fade?

A- Brake fade is one of the most helpless feelings, you need to scrub off speed, applying all the pressure you can muster, while the brake pedal slowly sinks to the floor.

Q- That must be an awful feeling...especially when you really need to stop?

A- You do learn a valuable lesson, do not put yourself in a position where you need to scrub off a ton of speed in a short distance, use the engine (down shift) to slow down initially, then the brakes. 

Q- Heard that the 64 Chevy had a brake booster.

A- That one had the "unobtanium" 4 speed, and a monster brake booster that would literally smoke the linings in the drums...it stops or it all melts!

Q- What other lessons did you learn from that 327 experience.

A- 1-An undying affinity for power 2- Never enough brakes on a car 3- From the 63 to the 64, to the 67 Camaro, to the 79 Camaro, to the engine block in the garage...

Thank You!

 

Monday
Feb042013

The 327

A few days ago we discovered an article which described building an old school 327, we immediately made a note to catch The Colonel since a few decades back he built a 327. 

This morning The Colonel is with us, we are enjoying a cafe latte, lets start this conversation.

Q: Colonel you had a 327 how did it come about?

A: Was student on a very tight budget, I bought a used 327 that was apart for $50. (5 tanks of gas) brought it back in the trunk of a 1965 Chevy, yes the back end of the car was quite low.

Q: What was the origin of the engine?

A- It was a truck engine with a nodular iron crankshaft, forged pistons, reasonable heads, a 2 barrel carburetor intake manifold, distributor with no vacuum advance.

Q- What did you do to the engine?

A- Back in the day, it was standard practice to debur the block, check all the clearances, match the intake ports to the intake gasket, port the oil pump passage in the rear main bearing cap.

Q- Thats it?

A- Then embark on a mission to scrounge/locate other parts, you would put the word out, and see what response would come back, and at what price. 

Q- Put the word out?

A- Precisely, put the word out that you need a "Duntov mechanical cam", a 4 barrel intake manifold, a 4 barrel carb, the idea was to save money. 

Q- You got the parts you wanted?

A- The camshaft slightly used came from a friend of a friend it had done a few races in a stock car, the lifters were new, the intake manifold came from somewhere (don't remember), the carburator came from a salvage yard it was on an Oldsmobile (got the carb and air filter).

Q- New parts too?

A- Obvious, main and rod bearings, gaskets, roller timing chain, oil pump, that stuff was all new. 

Q- How long did it take to put this engine together? 

A- This was a winter project, it took the better part of a winter to debur the block, check clearances, increase the size of the intake ports in the heads, wait for parts, wait to have money...yes it took all winter. 

Q- Sounds like a labour of love, and passion.

A- Precisely, one is young, you trade money for ingenuity, elbow grease, finding an extra job to make more money.

Q- The engine went in the 1963 Chevrolet Biscayne 2 door post.

A- Yes...in the 63 Chev, with the 3 speed Hurst floor shift, a 4 speed was "unobtanium" back in the day.

Q- The performance level increased?

A- What do you think? Adjust here, and there, correct a few mistakes, take the engine out again for a bigger oil pan, and yes it had a good level of performance with totally under performing brakes.

Q- Mechanical lifters, aggressive camshaft, how street able was it?

A- Reasonably street able, 327's with a Duntov cam were incredible when they got on the cam above 3,000 RPM, to slightly over 6,000 RPM. Over carbureted, big car, not much torque at low RPM, but keep that engine above 3,000 and it was a compelling experience back in the day. 

Q- Over 6,000 RPM that must have been excessive for a budget built engine. 

A- On good runs always shifted above 6,000 keep in mind that from 3,000 to 6,000 occured in the blink of an eye, the instant it got on the cam it was gone sort of thing. 

Q- Fuel economy? 

A- What is that...around 10 miles to a gallon back then, gas, some oil, spark plugs, adjust the valves, change points, no choke.

Q- No choke...how did it start in winter? 

A- Simple, a fine balance of pumping the accelerator, and turning the engine over till it started, then I was the fast idle with the accelerator. 

We need to continue...yes tomorrow

 

Friday
Jan252013

Vroom Room 

Good Morning!

Yes...another Friday, and another Vroom Room, come in we have cappuccino and biscotti, join the conversation, leave a comment if you wish.

Do you remember the launch of the Nissan Cube a few years ago, and the hypercube, with a variety of ambassadors across Canada. Mercedes-Benz is emulating a similar launch for the B Class, with B-The Face in this instance you have to be on Tumbler to enter the contest. It will be interesting to see how it unfolds, and develops. especially that its not a frictionless undertaking. 

The other day we on a road trip, we still keep our eyes out for interesting trucks. Its a long standing habit of always checking out trucks on th road. Especially the ones that catch your attention from a distance. 

We start coming up to this trailer with numerous lights instinctively we conclude that a Pete is most probably pulling the trailer, yes the mitre cut stacks are a dead give away that its a Pete. Sometimes you just get lucky to get an unobstructed shot of the Pete 379 probably a long nose too. On that same trip we saw a truck from Reliable Transport and wondered what cars it was hauling. 

From a different perspective, if you ever owned a Chevrolet, any knid of Chevrolet with a 327 and a Duntov cam, this article from Super Chevy on building an old school 327 will resonate. You certainly remember how fast that 327 revved up, and spinning that engine to get performance. Agreed...back in the day you had to be "hard core" to run and over cammed, over carburated engine on the street in a daily driver. 

At some point we will catch The Colonel and have him tell us about his 327, we have a feeling it will be a compelling story. 

Impressive photo gallery of The Dakar rallye that concluded last Sunday. 

 

Sunday
Sep262010

Chevy Small Block

Does it get much cooler than a 1/6 scale 327 with double bump heads and a Duntov cam?

Take a moment to review the photo gallery...here