428 build help
Posting Guru
Joined: Jan 2005
Posts: 1,051
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From: Douglas, Georgia
Strokers are expensive and just not worth the money for a street machine. Once again you horsepower freaks just don't get street machines.
soooooo, how is that useless for a street engine? the only thing I see bad about a stroker is that a heavier rotating assembly makes for slower engine acceleration. I'd think there is a minimal weight difference between a 428 and 445 assembly in a pickup truck.
good luck with your build,
dp
Post Fiend
Joined: Mar 2004
Posts: 6,056
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From: Union, Washington
428CJ 335 hp @ 5200 and 440 ft/lbs @ 3400
428 345 hp @ 4600 and 462 ft/lbs @ 2800
428PI 360 hp @ 5400 and 459 ft/lbs @ 3200
Are these #'s all fudged for insurance purposes? Wasn't the less hp, less tourque CJ supposed to be an upgrade over the standard 428? Or were the CJ #'s fudged more than the others?
428 345 hp @ 4600 and 462 ft/lbs @ 2800
428PI 360 hp @ 5400 and 459 ft/lbs @ 3200
Are these #'s all fudged for insurance purposes? Wasn't the less hp, less tourque CJ supposed to be an upgrade over the standard 428? Or were the CJ #'s fudged more than the others?
Posting Guru
Joined: Jul 2003
Posts: 1,287
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Put a standard 428 on a dyno, then do the same for the PI and guess which one would come out on top.
When I was a kid, I had a stock 1960 falcon, 144 ci. six. I dusted a corvette from stop light to stop light.
Of course he did not know we were racing.
Post Fiend
Joined: Mar 2004
Posts: 6,056
Likes: 8
From: Union, Washington
I believe Bear when he tells us this story, but what was the weight of the PI car? What gear ratio? who was driving? What was the condition of the PI engine? So many variables. What modifications did Bear have? etc. etc.
Put a standard 428 on a dyno, then do the same for the PI and guess which one would come out on top.
When I was a kid, I had a stock 1960 falcon, 144 ci. six. I dusted a corvette from stop light to stop light.
Of course he did not know we were racing.
Put a standard 428 on a dyno, then do the same for the PI and guess which one would come out on top.
When I was a kid, I had a stock 1960 falcon, 144 ci. six. I dusted a corvette from stop light to stop light.
Of course he did not know we were racing.
The PI will loose on the dyno, they ran 390/428 standard heads.
Interesting about the Falcon, I also has one with the144 engine and a 2 speed auto. I don't think it ever beat anything stop light to stop light, except a old lady with a walker.
Posting Guru
Joined: Jul 2003
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Ahh ,,, you had a 428cj and not a standard 428. I would agree with you there.
If the old lady with the walker knew you were racing, she might have beat your Falcon. Mine would do 65 mph wide open, going down hill.
Back to the op,,, if he has the money,,, go stroker, rpm heads and intake, call comp cams and give them all the information, so they can get him a cam tailored for his vehicle and his needs.
If the old lady with the walker knew you were racing, she might have beat your Falcon. Mine would do 65 mph wide open, going down hill.
Back to the op,,, if he has the money,,, go stroker, rpm heads and intake, call comp cams and give them all the information, so they can get him a cam tailored for his vehicle and his needs.
Post Fiend
Joined: Mar 2004
Posts: 6,056
Likes: 8
From: Union, Washington
Ahh ,,, you had a 428cj and not a standard 428. I would agree with you there.
If the old lady with the walker knew you were racing, she might have beat your Falcon. Mine would do 65 mph wide open, going down hill.
Back to the op,,, if he has the money,,, go stroker, rpm heads and intake, call comp cams and give them all the information, so they can get him a cam tailored for his vehicle and his needs.
If the old lady with the walker knew you were racing, she might have beat your Falcon. Mine would do 65 mph wide open, going down hill.
Back to the op,,, if he has the money,,, go stroker, rpm heads and intake, call comp cams and give them all the information, so they can get him a cam tailored for his vehicle and his needs.
Actually my Falcon was a screamer once you got it rolling, but that 2 speed auto had no go off the line. It would do just over 1 mph per horsepower and I blew a tire at that almost 90 mph, scary ride until I got it hauled down to a controllable speed.
I disagree on the build, but to each his own.
Post Fiend
Joined: Dec 2007
Posts: 8,521
Likes: 16
From: Lost
Not gonna weigh in on the build disagreement, but.....
You guys think a 144 CID 6 and 2 speed auto was slow, you oughta drive my B2300 (Ford Ranger clone). 2.3L "roller" cam OHC 4, 5 speed, and 3.45 gears. 1st-3rd, it pulls pretty decent. 4th, you time the acceleration with an hourglass. In 5th, grab a calender.......
Between stop lights, it's pretty decent. On the highway, it won't pass anything BUT a gas station...... I think it actually slows down when a bug hits the windshield. Of course, nearly 30 MPG comes with a price. A/C and 5th gear, not compatible.
Sorry for the OT rant....
You guys think a 144 CID 6 and 2 speed auto was slow, you oughta drive my B2300 (Ford Ranger clone). 2.3L "roller" cam OHC 4, 5 speed, and 3.45 gears. 1st-3rd, it pulls pretty decent. 4th, you time the acceleration with an hourglass. In 5th, grab a calender.......
Between stop lights, it's pretty decent. On the highway, it won't pass anything BUT a gas station...... I think it actually slows down when a bug hits the windshield. Of course, nearly 30 MPG comes with a price. A/C and 5th gear, not compatible.
Sorry for the OT rant....
Post Fiend
Joined: Mar 2004
Posts: 6,056
Likes: 8
From: Union, Washington
Not gonna weigh in on the build disagreement, but.....
You guys think a 144 CID 6 and 2 speed auto was slow, you oughta drive my B2300 (Ford Ranger clone). 2.3L "roller" cam OHC 4, 5 speed, and 3.45 gears. 1st-3rd, it pulls pretty decent. 4th, you time the acceleration with an hourglass. In 5th, grab a calender.......
Between stop lights, it's pretty decent. On the highway, it won't pass anything BUT a gas station...... I think it actually slows down when a bug hits the windshield. Of course, nearly 30 MPG comes with a price. A/C and 5th gear, not compatible.
Sorry for the OT rant....
You guys think a 144 CID 6 and 2 speed auto was slow, you oughta drive my B2300 (Ford Ranger clone). 2.3L "roller" cam OHC 4, 5 speed, and 3.45 gears. 1st-3rd, it pulls pretty decent. 4th, you time the acceleration with an hourglass. In 5th, grab a calender.......
Between stop lights, it's pretty decent. On the highway, it won't pass anything BUT a gas station...... I think it actually slows down when a bug hits the windshield. Of course, nearly 30 MPG comes with a price. A/C and 5th gear, not compatible.
Sorry for the OT rant....
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Posting Guru
Joined: Jul 2003
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I had a 1970 Mustang 428scj, 4 spd, 3.90 differential,"drag pack" , black with white interior. I added headers, and did some creative smog alterations, and it was screaming fast back in the day. I still have the original Mustang 428scj on a engine stand, along with the 4spd which is sitting on a shelf. The scj and a 427 mr are waiting to replace our 434cj that is in the Falcon, if and when they will be needed.
Here is our 434ci on the dyno.
http://s283.photobucket.com/albums/k...9Image0049.jpg
Here is our 434ci on the dyno.
http://s283.photobucket.com/albums/k...9Image0049.jpg
Thread Starter
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Senior User
Joined: Nov 2006
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So witch combo will give the most bang for the buck and get me seat of the pants tourqe at a low rpm? I'm not going to cheap out but I do have a budget.
- CJ clone (wish someone had the real tourque #'s)
- 390 heads, cam, intake
- Edelbrock rpm kit, tourque cam
- Stroker, with stock 390 heads, cam, intake
If anyone has done similar builds and has some prices that would be great! I know I don't have enough coin to do the stroker with the rpm kit, unless someone wants to donate some parts
Sorry if I'm causing some disagrements
- CJ clone (wish someone had the real tourque #'s)
- 390 heads, cam, intake
- Edelbrock rpm kit, tourque cam
- Stroker, with stock 390 heads, cam, intake
If anyone has done similar builds and has some prices that would be great! I know I don't have enough coin to do the stroker with the rpm kit, unless someone wants to donate some parts
Sorry if I'm causing some disagrements
Posting Guru
Joined: Jul 2003
Posts: 1,287
Likes: 3
Without knowing how much you want to spend it is difficult to answer your question. For your application, the stroker would give the most bang. Go to Survival Motorsports and look at their stroker kits. For about $1,900. you can get a nice balanced setup. There are not many people who know more than I do about building FE engines, but Barry at Survival is one of them. You could give him a call.
Post Fiend
Joined: Mar 2004
Posts: 6,056
Likes: 8
From: Union, Washington
So witch combo will give the most bang for the buck and get me seat of the pants tourqe at a low rpm? I'm not going to cheap out but I do have a budget.
- CJ clone (wish someone had the real tourque #'s)
- 390 heads, cam, intake
- Edelbrock rpm kit, tourque cam
- Stroker, with stock 390 heads, cam, intake
If anyone has done similar builds and has some prices that would be great! I know I don't have enough coin to do the stroker with the rpm kit, unless someone wants to donate some parts
Sorry if I'm causing some disagrements
- CJ clone (wish someone had the real tourque #'s)
- 390 heads, cam, intake
- Edelbrock rpm kit, tourque cam
- Stroker, with stock 390 heads, cam, intake
If anyone has done similar builds and has some prices that would be great! I know I don't have enough coin to do the stroker with the rpm kit, unless someone wants to donate some parts
Sorry if I'm causing some disagrements
Posting Guru
Joined: Jul 2003
Posts: 1,287
Likes: 3
I disagree with Bear on this. No two engines are going to have the same power and torque. These are ballpark numbers and some of them are suspect to reality. They are a "very" general outline of what they are supposed to do. The choice of cam makes a huge difference in low end torque. That could be said of the entire rpm range.
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