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Author Topic:   351C flow #s
Fordwiser
Gearhead

Posts: 390
From: Metamora, Illinois
Registered: Dec 2000

posted 03-31-2003 12:21 AM     Click Here to See the Profile for Fordwiser   Click Here to Email Fordwiser     Edit/Delete Message   Reply w/Quote
While having my heads off for a freshen up, had my buddy get some numbers for me on his new flow bench. These are 4V closed chamber with Price Motorsport high port plates on the exhaust side. Porting was mostly done by me, with some pointers and fine tuning done by my buddy, nothing real exotic (except for the plates) mostly just smoothing and blending. Tested @28" lift=intake/exhaust
.200=145.6/105.8 .300=216.2/141.2 .400=268.2/180.8 .500=287.6/204 .600=301.2/223.4 .700=312.8/230.8
Roger

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kid vishus
Gearhead

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

posted 03-31-2003 07:47 AM     Click Here to See the Profile for kid vishus   Click Here to Email kid vishus     Edit/Delete Message   Reply w/Quote

Ya gotta love those "old" fashoined iron heads.

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rm302 boss
Gearhead

Posts: 680
From: Austin Texas
Registered: Dec 2002

posted 04-01-2003 10:41 PM     Click Here to See the Profile for rm302 boss   Click Here to Email rm302 boss     Edit/Delete Message   Reply w/Quote
Yep, valves like dinner plates and ports like caves...
Rene

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1970 Boss 302
1990 Taurus SHO
1985 Mustang GT 351W
1995 Land rover Disco
1980 Triumph Spitfire (auto-X car)
http://mustangsandmore.50megs.com/MembersPics/rm302boss.html

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Hans olsson
Gearhead

Posts: 622
From: Sweden
Registered: Apr 2000

posted 04-02-2003 11:32 AM     Click Here to See the Profile for Hans olsson   Click Here to Email Hans olsson     Edit/Delete Message   Reply w/Quote
This is what our heads flow
.100 83/ 45
.200 161/ 66
.300 233/ 93
.400 271/145
.500 294/176
No porting only valvejob

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  • 71 Mach1 351c
  • E/SA 11.89-110 mph
  • F/SA 11.76-111 mph

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Mpcoluv
Gearhead

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

posted 04-02-2003 11:39 AM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Hans olsson:
This is what our heads flow
.100 83/ 45
.200 161/ 66
.300 233/ 93
.400 271/145
.500 294/176
No porting only valvejob


What is your valve job secrets?

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Hans olsson
Gearhead

Posts: 622
From: Sweden
Registered: Apr 2000

posted 04-02-2003 01:06 PM     Click Here to See the Profile for Hans olsson   Click Here to Email Hans olsson     Edit/Delete Message   Reply w/Quote
Manley stainless valves and 3 angle valve seats.

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  • 71 Mach1 351c
  • E/SA 11.89-110 mph
  • F/SA 11.76-111 mph

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methylated
Journeyman

Posts: 43
From: wytheville,va usa
Registered: Mar 2003

posted 04-03-2003 12:37 PM     Click Here to See the Profile for methylated   Click Here to Email methylated     Edit/Delete Message   Reply w/Quote
yeah but what were those 3 angles 30,45,60 or something else.

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Hans olsson
Gearhead

Posts: 622
From: Sweden
Registered: Apr 2000

posted 04-03-2003 01:42 PM     Click Here to See the Profile for Hans olsson   Click Here to Email Hans olsson     Edit/Delete Message   Reply w/Quote
I must ask the guy who did the work on the heads.My guess would be 30 45 70.
The valves are Manley part# 11872 int 11873 ex.They are called Race Master Valves made of stainless steel with chrome stems and hard tips. 2.19/1.71 inch 139/108 grams each.

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  • 71 Mach1 351c
  • E/SA 11.89-110 mph
  • F/SA 11.76-111 mph

[This message has been edited by Hans olsson (edited 04-03-2003).]

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