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Author Topic:   head/cubes
two89w
Gearhead

Posts: 319
From: sydney australia
Registered: Sep 2002

posted 09-27-2002 08:27 AM     Click Here to See the Profile for two89w   Click Here to Email two89w     Edit/Delete Message   Reply w/Quote
what would be the biggest cubes my windsor snr's could handle??

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steve'66
Gearhead

Posts: 9533
From: Sonoma,CA,USA
Registered: Mar 2000

posted 09-27-2002 12:06 PM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
Depends on how much power you wanna make.
They'll work good on a 351w.

SteveW

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two89w
Gearhead

Posts: 319
From: sydney australia
Registered: Sep 2002

posted 09-27-2002 05:16 PM     Click Here to See the Profile for two89w   Click Here to Email two89w     Edit/Delete Message   Reply w/Quote
so 1 of those 351 dart blocks taken out to 430 cubes be to much for them?

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Rustang
Gearhead

Posts: 821
From: Clarion PA
Registered: Nov 2000

posted 09-27-2002 05:39 PM     Click Here to See the Profile for Rustang   Click Here to Email Rustang     Edit/Delete Message   Reply w/Quote
Generally you can run as big a motor as you want for a given cylinder head flow, it will just make power at a lower rpm

------------------
'68 mustang 351 clevor- [email protected]
'67 Stang, 351W [email protected]
'69 351C [email protected]
'78 Pickup [email protected]
'79 Pickup 460 ET=??

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Mpcoluv
Gearhead

Posts: 1341
From: Charlotte NC usa
Registered: Apr 2001

posted 09-28-2002 08:54 AM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by two89w:
so 1 of those 351 dart blocks taken out to 430 cubes be to much for them?

You really need to publish flow figures for everyone to properly guess.
I would say that the heads would be too small for a 430ci motor.
You would want something like an AFR 205cc head for that large of a motor (if you wanted it to make power up to 6000 rpm).
Or maybe a TFS r head that has been been cleaned up a little.

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two89w
Gearhead

Posts: 319
From: sydney australia
Registered: Sep 2002

posted 09-28-2002 06:40 PM     Click Here to See the Profile for two89w   Click Here to Email two89w     Edit/Delete Message   Reply w/Quote
off the top of my head,cause i cant find the paper work,intake 298 @.600 309 @ .700,exh 200 @ .600 209 @.700 does that help?

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Mpcoluv
Gearhead

Posts: 1341
From: Charlotte NC usa
Registered: Apr 2001

posted 09-29-2002 09:25 AM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by two89w:
off the top of my head,cause i cant find the paper work,intake 298 @.600 309 @ .700,exh 200 @ .600 209 @.700 does that help?

They may work then on the 430. Especially if you are building a low rpm (under 6K) torque monster. I would build the Dart blocked 430 with larger heads in mind however. Get your pistons notched for 2.08 intake valves then you can swap to heads later if needed.
If in the future you want to go with a TFS twisted heads like the "R", remember that the valves are in different locations that normal windsor heads and the pistons will have to notched accordingly.
Also most of the "race" oriented windsor heads require custom headers because the narrow "W" exhaust bolt pattern limits port size.
Build up the motor and see how it does....
You can always adjust parts later on as required.

------------------
Jim Sams
'69 mustang Coupe
372C

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two89w
Gearhead

Posts: 319
From: sydney australia
Registered: Sep 2002

posted 09-30-2002 04:27 AM     Click Here to See the Profile for two89w   Click Here to Email two89w     Edit/Delete Message   Reply w/Quote
would yates heads or those blue thunder heads work well??

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Mpcoluv
Gearhead

Posts: 1341
From: Charlotte NC usa
Registered: Apr 2001

posted 09-30-2002 08:32 AM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by two89w:
would yates heads or those blue thunder heads work well??

It looks like the Blue thunder heads would be the cheaper solution. They are essentially copies of Ported SC1 (high port Yates)heads.
Both the Yates and Blue Thunder heads require lots of special parts...intakes, rockers, pistons, custom headers etc....
The Blue Thunder heads have HUGE ports.
Maybe you would want to build a 454 stroker with the Dart block (4.185 bore and a 4.125" stroke).

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Rustang1
Gearhead

Posts: 110
From:
Registered: Nov 2000

posted 09-30-2002 01:40 PM     Click Here to See the Profile for Rustang1   Click Here to Email Rustang1     Edit/Delete Message   Reply w/Quote
I thought the Blue Thunder heads accepted alot of the traditional cleveland parts? Like rockers, valves, guide plates?

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Mpcoluv
Gearhead

Posts: 1341
From: Charlotte NC usa
Registered: Apr 2001

posted 09-30-2002 03:04 PM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Rustang1:
I thought the Blue Thunder heads accepted alot of the traditional cleveland parts? Like rockers, valves, guide plates?

I think you need Jesel type rockers....
Dan Jones did some research and I think that was the conclusion.

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Daniel Jones
Gearhead

Posts: 898
From: St. Louis, MO
Registered: Aug 99

posted 09-30-2002 05:31 PM     Click Here to See the Profile for Daniel Jones   Click Here to Email Daniel Jones     Edit/Delete Message   Reply w/Quote
Blue Thunders have Boss 351 style chambers (in 50 or 70cc - same chamber but deck is milled for 50cc's) and use Boss 351 style valvetrain. No rockershafts required. Intake needs to be an SC1, exhuast may be stuff 4V or SC1.

Dan Jones

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