1970 Buick 455 Stage 1 - Dyno Room Diagnosis
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- Опубликовано: 5 дек 2021
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Nick's client brought a Buick 455 to the shop for a rebuild and dyno testing.. But finding parts for this beast has been nearly impossible, and the engine is refusing to idle after the cam break in. Let's stay after hours with Nick and Manny, as they track down and solve the issues plaguing this big block Buick.
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I had made a CYLINDER COMPRESSION TEST and had 160 PSI. Recalculated the COMPRESSION RATIO and it turned out to be 9.2 with these slightly dished pistons. WE ARE NOT DONE YET. STAY TUNED FOR MORE.
Get rid of the points!
In 1974, my dad being a Buick loyalist buying brand new Buicks every 2/3 years, got me a '70 GS STAGE 1,4spd. 3.42:1 posi(a/c). I didn't know what I had other than a 4yr old car. But, the 1st summer I had many guys who actually had pre 70's muscle cars tell me how nice a car I had. All I did was put radials, & a fiberglass fan. Octane booster & on to school. I wish I knew these 2 fellas when I had my car. These guys are gr8. Very informative video
i thought base 455 was 10 to 1 and stage 1 is 10.5
I'm 55 years old now when I was 15 years old I bought my first car it was a 1966 Oldsmobile Toronado brand new paint brand new vinyl top all new tires mint interior but ran like a pile of trash 455 Oldsmobile engine I took it to my best friend's dad God Rest his soul $70 later cap rotor plugs and plug wires a new coil and a new set of points and a couple hours of my best friend's dad's time I had a 1966 Oldsmobile Toronado that would rip the front tires literally off the rims sorry to say I no longer own that car I wish I did I truly miss it but someday there will come a day where people like Nick are no longer here and nobody will know how to do this kind of old school technology if I'm not wrong the books Nick is looking at is called Chilton's books that you don't see anymore my best friend's dad had shelves on them keep up the great work Nick and I'll keep watching the videos
The Hemi Killer!
I currently own a 65 Olds 442 with a modified 400 engine. Factory specs on an olds 400 is 360 HP and 510 ft-lbs stock. The engine was re-engineered by Chief Engines out of Fort Lauderdale, Fla. They build engines for the off shore power boats, so they are a top tier engine builder. The engine was reconfigured out to 442 cubic inches, the compression was dropped from 10.25 stock down to 9.6 to 1. The crankshaft was lightened and converted to internal balance to reduce engine harmonics. A custom lunati cam with 4 degrees of advance and additional lift over stock was used. Advancing the cam 4 degrees increases cylinder pressure creating additional HP. You lose some top end this way but the intake maxes out at 5200 RPM, so works quite nicely. Extensive work was done to the heads. The result was 469HP at 5200 RPM, and torque was increased out to 529 ft-lbs. So basically 100 HP was added to the motor. This just goes to show there is a lot of potential in the old V8 engines that can be brought out with proper engineering. I'm sure this Buick could be improved to.
Manny used to be in lots of videos but this is the first time I have heard him speak. Smart guy
Hemi had 498 ft lbs
Nick is a professional on any engine he listens to them and knows exactly what is wrong
I like the way you both explained the problem and what each one of you were looking for to remedy the situation. You're viewers can learn much from your channel. This is how I learned from racers who had major knowledge and a house full of trophies.
I worked at a Buick dealership from 1978 until 1984 doing line work, and my dad worked for Buick Motor Division for 25 years as an executive, after being a mechanic for 10 years at a Chevrolet dealership. With all of that being said my twin brother bought a beautiful white 1972 Gran Sport Stage One and I pulled his original engine out, rebuilt it after, and reinstalled my dad's 1970 Stage One temporarily, until I got my brothers original 72 rebuilt, and removed the 70, and reinstalled the original 72 model that came in the Gran Sport originally. They both ran like they were intended.
I could happily spend all day watching Nick work on an engine and listening to his advice. Such a treasure trove of knowledge and wisdom
We are running out of guys like you nick.
Nick & Manny look like two teenagers having fun at shop class. Great job boys.
When I was a teen, my mom had a big Electra 225 with a 455 under the hood. It would easily spin the wheels on that behemoth.
I respect a man who appreciates a good cup of coffee...and the sound of a well tuned engine.
It's amazing to watch two masters at work
like watching u old school builders..so easy to relate too.
Buick is bad ass. Way better than the credit they get.