Opinions of this Slant 6 video

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cchrishefish

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I watched this video and I would like to hear other members opinions. My take on the video is number one, I should use a short runner intake manifold. Number two, since I am considering a turbo street car, I should stick with the original exhaust manifold with a turbo flange, and use a 3 inch exhaust pipe. Link:
 
He states in this video many times that it's not a 'how to' vid with specifics. It's more of 'history' of the engine.
He's a member on here, I think his username is whitepunknitro. You could try messaging him directly, and I think there are other slant lovers on here. That said, the guys that can answer your questions are probably going to want a lot more info... what body, what trans, what rear, what gears.. and what do you want out of the car?
 
@whitepunkonnitro

That is Tony Defeo, he is a member here but his logon is whitepunkonnitro. And yes, if the slant guys are going to help you, they will need all the specifics on your car and what you want it to do. Otherwise folks will be shooting in the dark.
 
He called the slanty agricultural.lol
I have seen them in old combines and farm equipment
One of my older brothers was Dodge dealer mechanic. The tow truck they had was a '69 Dodge half ton with a granny geared slanty six. That truck would pull anything out of a ditch... 45 MPH on the way back to town, but you'd get there.
 
He states in this video many times that it's not a 'how to' vid with specifics. It's more of 'history' of the engine.
He's a member on here, I think his username is whitepunknitro. You could try messaging him directly, and I think there are other slant lovers on here. That said, the guys that can answer your questions are probably going to want a lot more info... what body, what trans, what rear, what gears.. and what do you want out of the car?
As I have stated, I want my car to be driven on the street and I want to be able to cruise at 70 to 75 mph on the highway. My car will be taken to local car cruises and I do not want it to be a push over. I do not intend on drag racing the car, However, I want the car to accelerate and smoke the tires in first and second gear with my pushbutton 904. My car is a 64 Dart GT/225.
 
As I have stated, I want my car to be driven on the street and I want to be able to cruise at 70 to 75 mph on the highway. My car will be taken to local car cruises and I do not want it to be a push over. I do not intend on drag racing the car, However, I want the car to accelerate and smoke the tires in first and second gear with my pushbutton 904. My car is a 64 Dart GT/225.
For real?
 
For real?
Yes, if I want to drive to car cruises, I cannot gear the rear end too low, or it will not be practical to drive on the highway. I think a 3:55 rear end may be a good choice for my use. Street performance is what I want to do with the car.
 
Well then,with a 225; you'll need really really skinny, hard 13" tires, and a fairly high stall TC.
LOL, I have a fairly new engine, 2000 miles, and I am running 205 70 14, I chirp the tires at start, and my only modification is a high performance ignition system, (Erhenberg), with Magnacore plug wires and NGK spark plugs and I am currently set at 10 degreees BTDC. No pinging.
 
As I have stated, I want my car to be driven on the street and
1) I want to be able to cruise at 70 to 75 mph on the highway.

2) My car will be taken to local car cruises and
3) I do not want it to be a push over.
I do not intend on drag racing the car, However,
4) I want the car to accelerate and smoke the tires in first and second gear
with my pushbutton 904. My car is a 64 Dart GT/225.

With 3.55s and about a 79.5 tire circumference, 75mph will be 3540 rpm
First gear TM,(Torque Multiplication) is 3.55x 2.45x24/25.5=8.18 corrected to a 1ft radius, so no, you will not smoke both rear tires in second gear, nor even in just first gear with the factory TC and stock engine. You will need waaay more rear gear AND a higher than stock stall TC, and or more power.
If you want all of the above with a 225 automatic................ yur gonna need 2.76s and a turbo... maybe two of 'em,lol.
So IDK if yur yanking my chain, pushing my buttons, or what but; "for real"?
IMO;
with a slanty; to cruise at 75mph, you're looking at 2.76s for about 2750@zero-slip, maybe 2860@4% slip. And to smoke both rear tires to 48mph (top of first gear with 2.76s), never mind to the top of second gear,(85mph @ 4500rpm), you will need a MINIMUM 200 crank horsepower, probably more like 300 to smoke tires in second gear beginning at 48=2700 in second .To do both Normally Aspirated,you're dreaming.
Pick one.
To spin to redline in first gear only; I suggest 3.91s and a 2800TC and forget hiway cruising, because; 75~4000rpm
If you need the 75mph, forget smoking tires. With 2.76s (75~3540) there will be no more chirping tires either.
Pick one, or go supercharged.
 
I think with what you want the car to do, you'd be better off taking the dive into a V8. Just my (usually worthless) opinion.
 
Yes, if I want to drive to car cruises, I cannot gear the rear end too low, or it will not be practical to drive on the highway. I think a 3:55 rear end may be a good choice for my use. Street performance is what I want to do with the car.
I ran 3.55 7 1/4 rear in ny 71 swinger. Built 225 w .460 /260* cam, full length header, 2400 stall. It was great till the middle of 2nd...then v8's would pull past ... that just sucked after all that work. 3.91 would be better.... but that would only fend them off a little bit longer.imo

You need 200 cfm int flow,.530 min lift cam , 9.5 static pump gas 8.2 dynamic ' to avoid detonation-chambers and plug location are poor, .3.91 min gear dual 2brl or single 500cfm carb, 2800-3000 stall quality convertor not cheap..IF you want to keep playing with v8 cars successfully on the street. The saving factor with all the LA motors... is the ability to swap to big port heads. The slant has a 'one size has to fit' head.
 
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Yes, if I want to drive to car cruises, I cannot gear the rear end too low, or it will not be practical to drive on the highway. I think a 3:55 rear end may be a good choice for my use. Street performance is what I want to do with the car.

Then you either need a V8 or a slant six with forced induction.
 
I didn't say it
But, come on now.. say what you were thinking!
You gave it your all!
I love the slants.. but they weren't designed to be a 'performance' engine. The video referenced by OP clearly says that. Unless there's some reason to have to have a slant, dumping cash into one for performance is a losing cause... that same amount of cash spent on a magnum 360 (or even a plain jane 318) is going to give the OP far more bang for the buck. Just my (usually useless) opinion.
 
A long time ago,I offended some slanty fans here in the slanty Forum,and they ripped me up pretty hard. Since I'm here to help, whenever I'm in the slanty forum, I try really hard not to mention non-slanty stuff.
 
But, come on now.. say what you were thinking!
You gave it your all!
I love the slants.. but they weren't designed to be a 'performance' engine. The video referenced by OP clearly says that. Unless there's some reason to have to have a slant, dumping cash into one for performance is a losing cause... that same amount of cash spent on a magnum 360 (or even a plain jane 318) is going to give the OP far more bang for the buck. Just my (usually useless) opinion.

Tell that to the Falcons and other compact cars that got the snot kicked out of them by the Hyper Pack 170s in 1960.
 
Tell that to the Falcons and other compact cars that got the snot kicked out of them by the Hyper Pack 170s in 1960.
I never had a 170 with the Hyper Pak... I'd love to drive one!
I did drive a lot of 225's though.. my fave was a '76 Volare station wagon.. bright orange with woodgrain on the sides. 225 super with a floor shift 3 speed + OD. My friend had a '76 coupe with a 225 super automatic.. we raced against each other a lot.. 75 or so in the backwoods quarter mile. I always beat him by at least 2 car lengths. Pissed him off so much he stripped his coupe.. no back seat, no carpet, no headliner, no interior door panels, no spare or jack.. I still beat him by a car length. He never realized my wagon was running 3.23 screws and he was running 2.70's or so.
That said, while it was a fun car for what it was, I never thought I'd embarrass that '69 Chevelle SS at the lights. I knew what it was.
I don't think even that Hyper-Pak 170 would embarrass any kid with a decent running Honda at the stoplights.
Just my (usually useless) opinion.
 
I never had a 170 with the Hyper Pak... I'd love to drive one!
I did drive a lot of 225's though.. my fave was a '76 Volare station wagon.. bright orange with woodgrain on the sides. 225 super with a floor shift 3 speed + OD. My friend had a '76 coupe with a 225 super automatic.. we raced against each other a lot.. 75 or so in the backwoods quarter mile. I always beat him by at least 2 car lengths. Pissed him off so much he stripped his coupe.. no back seat, no carpet, no headliner, no interior door panels, no spare or jack.. I still beat him by a car length. He never realized my wagon was running 3.23 screws and he was running 2.70's or so.
That said, while it was a fun car for what it was, I never thought I'd embarrass that '69 Chevelle SS at the lights. I knew what it was.
I don't think even that Hyper-Pak 170 would embarrass any kid with a decent running Honda at the stoplights.
Just my (usually useless) opinion.

The 170 was the only engine ever equipped with the Hyper Pack. Other than that, it was just an engine package. I'm not sure it was available over the counter. Maybe someone else will chime in that knows a little more, but I know they never "came on" really anything production wise. It was a special race only 170 engine package.

I am sure @slantsixdan will know. Maybe he will enlighten us.
 
The Hyper Pack package was never offered new from the factory on a car "as delivered". It was only "over the parts counter", or dealer installed.
Parts included in the complete package:
1) High compression pistons
2) Cam package (cam, lifters, springs, retainers) not sure about push rods.
3) Long ram intake
4) AFB 4 bbl carb, air cleaner assy
5) Cast exhaust headers with "Y" pipe, and large exhaust pipe and muffler.
6) Special clutch assy

I have never seen it listed, but I would think a modified distributor, or curve kit, also.
 
I appreciate the suggestions because I have to make a decision based on my usage. I could go with a 8.75 rearend and change the gears for highway use. However, I am trying to pick a rear end ratio which would fit my intended use. I rarely drive on the highway, but if I decided to attend a car show 30 miles away, I would use the highway.
 
I watched this video and I would like to hear other members opinions. My take on the video is number one, I should use a short runner intake manifold. Number two, since I am considering a turbo street car, I should stick with the original exhaust manifold with a turbo flange, and use a 3 inch exhaust pipe. Link:


I just watched it. Thanks for the link man, I am always up for learning more.

If I were to do a /6, I'd certainly consider an 80's block. I didn't know about the lightening they did.
 
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