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Re: 440 stroker? [Re: 70charger512] #2581641
11/22/18 06:48 PM
11/22/18 06:48 PM
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New York
polyspheric Offline
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Cam around 240@.050
As I said (50 years ago?), that narrows it down to perhaps 20 or 30 cams.
What nominal duration?
What LSA?
What installed ICL?
Single or dual pattern?

The reason being is to try and keep some quinch in the combustion chambers
THIS^^^
Ideally, the dish would be close to a mirror image of the chamber outline (and flush under the head's quench ledge). IMHO the floor need not be flat if you have enough dome thickness - deeper under the intake position @ .200".


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Re: 440 stroker? [Re: 70charger512] #2581662
11/22/18 07:53 PM
11/22/18 07:53 PM
Joined: May 2003
Posts: 6,545
Downtown Roebuck Ont
Twostick Offline
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Downtown Roebuck Ont
Originally Posted By Nick Stevanovski
Originally Posted By Cab_Burge
You might want to consider using a deep reverse dome piston with 24.0 CC instead of a shallow full dish piston with 24.0 CC.
The reason being is to try and keep some quinch in the combustion chambers work scope

Thats what I was thinking, and I actually emailed 440 source about whether or not theyre dish or reverse dome, and I will ask if theres a way to get reverse dome with their kit.


My 440/493 kit from 440Source used Ross pistons so it was a while ago. It was a custom 34cc reverse dome that with OOTB 84cc RPM heads, zero deck and a .039 gasket put me at 8.97:1 IIRC. It makes 600 ft/lbs on 87 regular.

In the time it took Ross to finally make the pistons, (3 months. Nice customer service) Brandon had enough orders to make it a shelf stocking piston so I got the custom up charge $$ back. If they still do this piston maybe they can change the pin height for a small fee.


Kevin

Re: 440 stroker? [Re: Twostick] #2581665
11/22/18 08:06 PM
11/22/18 08:06 PM
Joined: Sep 2018
Posts: 257
NC
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70charger512 Offline OP
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Originally Posted By Twostick
Originally Posted By Nick Stevanovski
Originally Posted By Cab_Burge
You might want to consider using a deep reverse dome piston with 24.0 CC instead of a shallow full dish piston with 24.0 CC.
The reason being is to try and keep some quinch in the combustion chambers work scope

Thats what I was thinking, and I actually emailed 440 source about whether or not theyre dish or reverse dome, and I will ask if theres a way to get reverse dome with their kit.


My 440/493 kit from 440Source used Ross pistons so it was a while ago. It was a custom 34cc reverse dome that with OOTB 84cc RPM heads, zero deck and a .039 gasket put me at 8.97:1 IIRC. It makes 600 ft/lbs on 87 regular.

In the time it took Ross to finally make the pistons, (3 months. Nice customer service) Brandon had enough orders to make it a shelf stocking piston so I got the custom up charge $$ back. If they still do this piston maybe they can change the pin height for a small fee.


Kevin


Oh ok thank you, so they do offer custom kits, that helps alot. Im not gonna go that low on compression though, im thinking 10-10.5, maybe 11 if i have to for some reason.

Re: 440 stroker? [Re: 70charger512] #2581677
11/22/18 08:30 PM
11/22/18 08:30 PM
Joined: May 2003
Posts: 6,545
Downtown Roebuck Ont
Twostick Offline
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If you are getting your kit from 440Source, you should call them. I did mine 12-15 years ago and Ross was his name brand supplier so you could get whatever custom piston they offered.

He has his own house brand piston now and I'm not sure who builds them for him. You would have to call to see if there is any custom options.

Kevin

Re: 440 stroker? [Re: 70charger512] #2581694
11/22/18 09:33 PM
11/22/18 09:33 PM
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Posts: 606
Boise
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Boise
No carburetor needs more than 6psi. You'll be fine with the Eddy fuel pump. You may still find you need to regulate externally.

Re: 440 stroker? [Re: 70charger512] #2581701
11/22/18 09:55 PM
11/22/18 09:55 PM
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Pattison Texas
CSK Offline
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yes the 440 source 24cc pistons have a guinch area.

engine512 001.JPG

1968 Charger COLD A/C Hilborn EFI
512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim
2020 T/A 392 Stock 11.79 @ 114.5

Re: 440 stroker? [Re: 70charger512] #2581702
11/22/18 09:59 PM
11/22/18 09:59 PM
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Pattison Texas
CSK Offline
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1

strokekit 004.JPG

1968 Charger COLD A/C Hilborn EFI
512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim
2020 T/A 392 Stock 11.79 @ 114.5

Re: 440 stroker? [Re: 70charger512] #2581704
11/22/18 10:03 PM
11/22/18 10:03 PM
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Pattison Texas
CSK Offline
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11

512build 007.JPG

1968 Charger COLD A/C Hilborn EFI
512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim
2020 T/A 392 Stock 11.79 @ 114.5

Re: 440 stroker? [Re: CSK] #2581744
11/22/18 11:59 PM
11/22/18 11:59 PM
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NC
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70charger512 Offline OP
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Originally Posted By csk
11

Ok perfect, that makes things alot easier. I guess I'll be going with them and compression should be at 10:1. Would it hurt that much performance having a little lower compression? I'm assuming I should probably be fine, and when it comes to only a few things, compression especially, I'm willing to sacrifice performance for daily drivability.

Re: 440 stroker? [Re: 70charger512] #2581747
11/23/18 12:01 AM
11/23/18 12:01 AM
Joined: Oct 2007
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New York
polyspheric Offline
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Be sure to keep those sharp machined edges exactly as they left the mill, just like jewelry!


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Re: 440 stroker? [Re: 70charger512] #2581749
11/23/18 12:06 AM
11/23/18 12:06 AM
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70charger512 Offline OP
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Another thing: alot of people were saying I would need a 2"+ compression height piston, but these are 1.867. How much does compression height matter after all of the other things have been worked out?

Re: 440 stroker? [Re: Cab_Burge] #2581750
11/23/18 12:09 AM
11/23/18 12:09 AM
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70charger512 Offline OP
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Originally Posted By Cab_Burge
You might want to consider using a deep reverse dome piston with 24.0 CC instead of a shallow full dish piston with 24.0 CC.
The reason being is to try and keep some quinch in the combustion chambers work scope

Turns out they do have a quench area, perfect.

Re: 440 stroker? [Re: 70charger512] #2581757
11/23/18 12:38 AM
11/23/18 12:38 AM
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Val-haul-ass... eventually
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Originally Posted By Nick Stevanovski
Another thing: alot of people were saying I would need a 2"+ compression height piston, but these are 1.867. How much does compression height matter after all of the other things have been worked out?

Read... the... books...

If you don't understand the implications of compression heights, you shouldn't be building anything. I'm done with this.

Re: 440 stroker? [Re: 70charger512] #2581789
11/23/18 02:15 AM
11/23/18 02:15 AM
Joined: May 2015
Posts: 1,134
Lost in Time
Iowan Offline
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Daily driver that gets 7 miles per gallon, sure.


Have a great day
Iowan

"obsolete is neat"

Re: 440 stroker? [Re: polyspheric] #2581795
11/23/18 02:54 AM
11/23/18 02:54 AM
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Pattison Texas
CSK Offline
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Originally Posted By polyspheric
Be sure to keep those sharp machined edges exactly as they left the mill, just like jewelry!


Absolutely LOL


1968 Charger COLD A/C Hilborn EFI
512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim
2020 T/A 392 Stock 11.79 @ 114.5

Re: 440 stroker? [Re: 70charger512] #2581862
11/23/18 11:45 AM
11/23/18 11:45 AM
Joined: Oct 2007
Posts: 4,205
New York
polyspheric Offline
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All done


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Re: 440 stroker? [Re: BradH] #2581969
11/23/18 04:34 PM
11/23/18 04:34 PM
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70charger512 Offline OP
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Originally Posted By BradH
Originally Posted By Nick Stevanovski
Another thing: alot of people were saying I would need a 2"+ compression height piston, but these are 1.867. How much does compression height matter after all of the other things have been worked out?

Read... the... books...

If you don't understand the implications of compression heights, you shouldn't be building anything. I'm done with this.

Ok then bye. But im clearly not building this myself. Hollis Page will be. I apologize for asking questions on a website meant for questions...

Re: 440 stroker? [Re: 70charger512] #2581975
11/23/18 04:46 PM
11/23/18 04:46 PM
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Fredericksburg Va
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your not part of the chosen few

Re: 440 stroker? [Re: 70charger512] #2581985
11/23/18 05:09 PM
11/23/18 05:09 PM
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Originally Posted By Nick Stevanovski
Originally Posted By BradH
Originally Posted By Nick Stevanovski
Another thing: alot of people were saying I would need a 2"+ compression height piston, but these are 1.867. How much does compression height matter after all of the other things have been worked out?

Read... the... books...

If you don't understand the implications of compression heights, you shouldn't be building anything. I'm done with this.

Ok then bye. But im clearly not building this myself. Hollis Page will be. I apologize for asking questions on a website meant for questions...




It's hard to communicate via the interweb, especially when the topic is as detailed as what you want.

On top of that, you are like a fart in a skillet. You are all over everywhere. I'm old enough to tell you've I've seen this before. You want to know it all, and know it now. It doesn't work that way. When you struggle with what compression distance is (nothing more that stroke length/rod length/ deck height) and mix things together, no one has any idea if you are actually teaching with what you are being told, or you are getting more confused.


You need to slow down and realize you won't learn this [censored] in a year. Or a decade. It's a lifetime of learning and it only stops when you quit or die.

You need to take this like eating an elephant...you do it one bite at a time. What you are doing is trying to take a sip from a fire hose. Read everything you can. Then reread it. It takes a lifetime.


Just because you think it won't make it true. Horsepower is KING. To dispute this is stupid. C. Alston
Re: 440 stroker? [Re: 70charger512] #2581986
11/23/18 05:11 PM
11/23/18 05:11 PM
Joined: May 2015
Posts: 1,134
Lost in Time
Iowan Offline
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Lost in Time
Questions were answered repeatedly very thuroly, its to bad the answers could not be comprehended.
This is what hotroding has come to, just assembling parts, you dont have to know what your doing just open a catalog or two and buy parts.
I think guys with small block chevys have been doing it for years.


Have a great day
Iowan

"obsolete is neat"

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