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Author Topic:   Stroker Clevor
Mpcoluv
Gearhead

Posts: 1278
From: Charlotte NC usa
Registered: Apr 2001

posted 07-20-2001 08:14 AM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
Has anyone ever built a large displacement Clevor (416-427)?
If so, how effective was it?
I think the 4V heads should supply 427 inches pretty well.

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kid vishus
Gearhead

Posts: 6098
From: middle of NC
Registered: Oct 2000

posted 07-20-2001 08:24 AM     Click Here to See the Profile for kid vishus   Click Here to Email kid vishus     Edit/Delete Message   Reply w/Quote
I think the best way to do that would be to start with a tall deck svo block. Otherwise, you end up with such a short rod to keep the piston in the hole, that your rod to stroke ratio would end up being terrible.
I always wanted to build a stroker C with a 3.8 stroke. That would still allow a decent length rod and give enuff inches to justify it.
The only downfall to the 4v heads is the exhaust doesnt flow real well. And that might be the limiting factor.
Just my opinion

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Mpcoluv
Gearhead

Posts: 1278
From: Charlotte NC usa
Registered: Apr 2001

posted 07-20-2001 10:52 AM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
I mentioned "Clevor" which implies the 9.5" deck windsor block used with Cleveland heads. I would love to have a "W351" SVO block however. 460ci is possible in a 351W package.
I already have a 372C. Scat makes a 3.85" stroke crank with Clev mains so you could make a 393C and use 351W rods.
I am curious about the large displacement clevors however....

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kid vishus
Gearhead

Posts: 6098
From: middle of NC
Registered: Oct 2000

posted 07-20-2001 01:44 PM     Click Here to See the Profile for kid vishus   Click Here to Email kid vishus     Edit/Delete Message   Reply w/Quote
Oops

I guess I missed that part.

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SG236
Gearhead

Posts: 416
From: Jasper, TN, USA
Registered: Dec 2000

posted 07-20-2001 04:05 PM     Click Here to See the Profile for SG236   Click Here to Email SG236     Edit/Delete Message   Reply w/Quote
I just decided to go with a 460 x .30 and end up with a 467 with a lot less trouble and cost!

Good Luck and get out the checkbook

------------------
Russ Hood
70s Maverick S/Pro
https://mustangsandmore.com/ubb/SG236.html

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Mpcoluv
Gearhead

Posts: 1278
From: Charlotte NC usa
Registered: Apr 2001

posted 07-20-2001 04:57 PM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
I already have the heads, and tranny, bell housing, headers, etc....
A Clevor will be cheaper for me than switching platforms.(well if I use a standard Windsor block).

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SG236
Gearhead

Posts: 416
From: Jasper, TN, USA
Registered: Dec 2000

posted 07-20-2001 05:32 PM     Click Here to See the Profile for SG236   Click Here to Email SG236     Edit/Delete Message   Reply w/Quote
I understand.

I have a very good set of heads, strip dominator intake, aluminum motorsport valve covers, TCI flywheel, headers, motorplates, etc.

Just really wanted an excuse to go to the 460 and when the crank broke it made the decision easy.

------------------
Russ Hood
70s Maverick S/Pro
https://mustangsandmore.com/ubb/SG236.html

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Rustang
Gearhead

Posts: 733
From: Clarion PA
Registered: Nov 2000

posted 07-20-2001 06:01 PM     Click Here to See the Profile for Rustang   Click Here to Email Rustang     Edit/Delete Message   Reply w/Quote
Mp, A buddy of mine just put together a 426. It's using a '69 windsor block, Boss 302 heads, Torker intake, flattops, and 6.125" eagle rods, flat tappet solid with about .600 lift. I forget what the compression figured out to, but I think it is in the 12:1-12.5:1 range. Those Boss heads should work great with those cubes! He bought the reciprocating assembly complete from Speed-O-Motive. He's been trying to talk me into putting it in my '68 (It's running a clevor combo too) but I'm afraid of the torque that thing's probably gonna put out to my little C-4! I'll keep you posted on how it runs!

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ssurles268
Journeyman

Posts: 2
From: Mississippi
Registered: Jul 2001

posted 07-20-2001 06:20 PM     Click Here to See the Profile for ssurles268   Click Here to Email ssurles268     Edit/Delete Message   Reply w/Quote
Don't worry about the torque from the motor hurting your C-4. We ran a c-4 behind a 514 for a whole season. No trouble.

Stephen

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Rustang
Gearhead

Posts: 733
From: Clarion PA
Registered: Nov 2000

posted 07-20-2001 07:23 PM     Click Here to See the Profile for Rustang   Click Here to Email Rustang     Edit/Delete Message   Reply w/Quote

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Mpcoluv
Gearhead

Posts: 1278
From: Charlotte NC usa
Registered: Apr 2001

posted 07-20-2001 07:38 PM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Rustang:
Mp, A buddy of mine just put together a 426. It's using a '69 windsor block, Boss 302 heads, Torker intake, flattops, and 6.125" eagle rods, flat tappet solid with about .600 lift. I forget what the compression figured out to, but I think it is in the 12:1-12.5:1 range. Those Boss heads should work great with those cubes! He bought the reciprocating assembly complete from Speed-O-Motive. He's been trying to talk me into putting it in my '68 (It's running a clevor combo too) but I'm afraid of the torque that thing's probably gonna put out to my little C-4! I'll keep you posted on how it runs!


Has he had the 426 on a chassis Dyno? I am wondering about power and torque figures.....

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Rustang
Gearhead

Posts: 733
From: Clarion PA
Registered: Nov 2000

posted 07-20-2001 09:13 PM     Click Here to See the Profile for Rustang   Click Here to Email Rustang     Edit/Delete Message   Reply w/Quote
No, for what it's worth, we've run a computer simulation (Virtual Dyno), that has proven pretty accurate in the past. It' claims [email protected] and [email protected]! The horsepower figure is probably realistic, because I know of a 416 that is built similar that was dynoed and puts out about that same HP level with a slightly milder cam.

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Mpcoluv
Gearhead

Posts: 1278
From: Charlotte NC usa
Registered: Apr 2001

posted 07-21-2001 09:38 AM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
<>

That's what I'm talking about.....

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