Edelbrock STR 12 on the car!
#2696540
09/11/19 12:51 PM
09/11/19 12:51 PM
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Joined: Aug 2003
Posts: 1,978 Moncton, New Brunswick
hemidart1
OP
top fuel
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OP
top fuel
Joined: Aug 2003
Posts: 1,978
Moncton, New Brunswick
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Thanks to Gary and Mike (my restoration/mechanic guys) who can make anything work. It took a lot of fabrication to get the carbs, linkage and valve covers etc to work with this intake! The intake was NOS and I really wanted something on the car that would take you back to the old C/FX days of making a 273 run in that class....even though the engine in the car is now a 360.
1967 Hemi GTX 1969 Chrysler 300
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Re: Edelbrock STR 12 on the car!
[Re: hemidart1]
#2696666
09/11/19 07:16 PM
09/11/19 07:16 PM
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Joined: May 2006
Posts: 1,073 oregon
greendart408
super stock
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super stock
Joined: May 2006
Posts: 1,073
oregon
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Actually the intake was local out here in eastern Canada. Ok I had to ask, a buddy of mine had a str12 nib with a nib linkage kit. Said he sold it a yr or 2 ago.
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Re: Edelbrock STR 12 on the car!
[Re: greendart408]
#2696667
09/11/19 07:25 PM
09/11/19 07:25 PM
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Joined: Aug 2003
Posts: 1,978 Moncton, New Brunswick
hemidart1
OP
top fuel
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OP
top fuel
Joined: Aug 2003
Posts: 1,978
Moncton, New Brunswick
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It actually took two linkage kits to fabricate the one you see in the car. It takes a lot of custom work to get these to work.
1967 Hemi GTX 1969 Chrysler 300
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Re: Edelbrock STR 12 on the car!
[Re: hemidart1]
#2697020
09/12/19 09:36 PM
09/12/19 09:36 PM
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Joined: May 2012
Posts: 1,841 South Bend
John Brown
top fuel
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top fuel
Joined: May 2012
Posts: 1,841
South Bend
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Thanks to Gary and Mike (my restoration/mechanic guys) who can make anything work. It took a lot of fabrication to get the carbs, linkage and valve covers etc to work with this intake! The intake was NOS and I really wanted something on the car that would take you back to the old C/FX days of making a 273 run in that class....even though the engine in the car is now a 360. I can't imagine that linkage working correctly (as in the carbs opening the same amount) when one of the arms (where the links attach) is pointed forward and the other is pointed back. If you say it works, I'll have to take your word for it.
July 19th should be "Drive Like Rockford Day". R.I.P. Jimmie.
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Re: Edelbrock STR 12 on the car!
[Re: John Brown]
#2697866
09/15/19 08:37 PM
09/15/19 08:37 PM
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Joined: Jan 2011
Posts: 4,785 Utah and Alaska
astjp2
master
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master
Joined: Jan 2011
Posts: 4,785
Utah and Alaska
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Thanks to Gary and Mike (my restoration/mechanic guys) who can make anything work. It took a lot of fabrication to get the carbs, linkage and valve covers etc to work with this intake! The intake was NOS and I really wanted something on the car that would take you back to the old C/FX days of making a 273 run in that class....even though the engine in the car is now a 360. I can't imagine that linkage working correctly (as in the carbs opening the same amount) when one of the arms (where the links attach) is pointed forward and the other is pointed back. If you say it works, I'll have to take your word for it. If the lengths of the arms are the same, then they should open the same
1941 Taylorcraft 1968 Charger 1994 Wrangler 1998 Wrangler 2008 Kia Rio 2017 Jetta
I didn't do 4 years and 9 months of Graduate School to be called Mister!
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Re: Edelbrock STR 12 on the car!
[Re: astjp2]
#2697928
09/15/19 11:51 PM
09/15/19 11:51 PM
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Joined: Aug 2003
Posts: 43,230 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,230
Bend,OR USA
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Thanks to Gary and Mike (my restoration/mechanic guys) who can make anything work. It took a lot of fabrication to get the carbs, linkage and valve covers etc to work with this intake! The intake was NOS and I really wanted something on the car that would take you back to the old C/FX days of making a 273 run in that class....even though the engine in the car is now a 360. I can't imagine that linkage working correctly (as in the carbs opening the same amount) when one of the arms (where the links attach) is pointed forward and the other is pointed back. If you say it works, I'll have to take your word for it. If the lengths of the arms are the same, then they should open the same I've set up tunnel ram linkages for cross mounted dual Holley carbs with the arms on the shafts pointed towards the front of the carbs at around a 45 degree forward and the moved them so they where mounted around 45 degrees to the rear, forward works better I also experimented with the side linkages and bell cranks at 45, 90 and around 120 degrees from straight up
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Edelbrock STR 12 on the car!
[Re: AndyF]
#2697940
09/16/19 02:22 AM
09/16/19 02:22 AM
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Joined: Aug 2003
Posts: 43,230 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,230
Bend,OR USA
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Mopar engineers design the long cross rams in 1958. in 1961 they shorten the runners up and increased the intake and exhaust port sizes to make the Max Wedge package that had the shorter intake runners and a lot bigger plenum area under the carbs. I'm not sure when and who came out with the tunnel ram intakes which ended upmaking the cross rams intakes obsolete I wasn't overly impress with the Eddy STR intake on that 383 motor at the time we used it and now after owning and driving several different cars with stock M.W motor and then later owning and driving a hemi cross ram motor in a drag car I can say there are far better parts than the Eddy STR intakes
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Edelbrock STR 12 on the car!
[Re: astjp2]
#2768991
04/28/20 08:28 AM
04/28/20 08:28 AM
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Joined: Oct 2007
Posts: 4,209 New York
polyspheric
master
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master
Joined: Oct 2007
Posts: 4,209
New York
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The lengths match, but the throttle movement per degree of shaft rotation will not. A lever @ 12 o'clock will move more from a horizontal lever pulling backward than a lever @ 1 o'clock. A lever @ 3 o'clock won't move at all. A lever @ 6 o'clock will move the other way.
Boffin Emeritus
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Re: Edelbrock STR 12 on the car!
[Re: polyspheric]
#2769068
04/28/20 12:04 PM
04/28/20 12:04 PM
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Joined: Mar 2004
Posts: 781 MD
HEMI472
super stock
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super stock
Joined: Mar 2004
Posts: 781
MD
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if cross rams was junk from 58 to 61 why did they put them on 1968 race hemi cudas and darts ??
Last edited by HEMI472; 04/28/20 12:07 PM.
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Re: Edelbrock STR 12 on the car!
[Re: HEMI472]
#2769121
04/28/20 02:03 PM
04/28/20 02:03 PM
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Joined: Aug 2003
Posts: 43,230 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,230
Bend,OR USA
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if cross rams was junk from 58 to 61 why did they put them on 1968 race hemi cudas and darts ?? The long B and RB long ram intake where never used on any Hemi motors, ever They where introduced on the 1959 Chrysler 300 with the standard intake port size heads with bigger valves and some where put on some B motors in 1958 as a race package that was not promoted back then is what I have heard but not verified by anyone at Chrysler The 1964 race hemi came with the aluminum cross ram intake like the Max wedge cars came out with in 1962, some of the very early ones had AFB carbs like the 1964 Max wedge motors had. The A990 race hemi drag cars had Mag cross rams intake that year with the SS Holley carbs only. Mopar went back to the aluminum hemi cross rams in 1968 for the Hurst Darts and Baracuda
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Edelbrock STR 12 on the car!
[Re: HEMI472]
#2769149
04/28/20 03:00 PM
04/28/20 03:00 PM
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Joined: Jan 2003
Posts: 31,050 Oregon
AndyF
I Win
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I Win
Joined: Jan 2003
Posts: 31,050
Oregon
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if cross rams was junk from 58 to 61 why did they put them on 1968 race hemi cudas and darts ?? 1. Because it was all they had 2. Because they didn't know any better 3. Because it looked cool 4. Because other people were doing it
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