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Author Topic: Spring pressure  (Read 4913 times)

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bn69stang

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Spring pressure
« on: October 24, 2013, 07:15:26 PM »
How does 130 lbs seat and 340 lbs open on a comp cams extreme energy 274 sound , open to any replies guy s .
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69 mach 1 , 428 C J  Blue Oval Performance BBM heads -T@D rocker s- Blue thunder intake - Comp hydr roller - MSD ignition - FPA headers- Holley 850 hp double pumper - TKO 600 - 9 inch 3.89 Detroit Locker . ride tech coil over conversion - power rack @ pinoin steering - 13 inch drilled @ slotted 4 wheel disc brakes ..

rockhouse66

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Re: Spring pressure
« Reply #1 on: October 25, 2013, 06:56:47 AM »
Comp's recommended spring is the 924-16 rated 112 @ 1.900 and 355 @ 1.200 so yours are in the ballpark depending on installed height.  Should be OK IMO.
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Jim

jayb

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Re: Spring pressure
« Reply #2 on: October 25, 2013, 07:22:31 AM »
I agree, those springs should be no problem.  If they are duals, take out the inner spring for cam break-in, though...
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Jay Brown
- 1969 Mach 1, Drag Week 2005 Winner NA/BB, 511" FE (10.60s @ 129); Drag Week 2007 Runner-Up PA/BB, 490" Supercharged FE (9.35 @ 151)
- 1964 Ford Galaxie, Drag Week 2009 Winner Modified NA (9.50s @ 143), 585" SOHC
- 1969 Shelby Clone, Drag Week 2015 Winner Modified NA (Average 8.98 @ 149), 585" SOHC

   

bn69stang

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Re: Spring pressure
« Reply #3 on: October 25, 2013, 03:07:22 PM »
Good deal then thanks for the feed back , i will double check it all when it goes together thanks  Bud ..
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69 mach 1 , 428 C J  Blue Oval Performance BBM heads -T@D rocker s- Blue thunder intake - Comp hydr roller - MSD ignition - FPA headers- Holley 850 hp double pumper - TKO 600 - 9 inch 3.89 Detroit Locker . ride tech coil over conversion - power rack @ pinoin steering - 13 inch drilled @ slotted 4 wheel disc brakes ..

manofmerc

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Re: Spring pressure
« Reply #4 on: November 04, 2013, 05:53:36 AM »
On my edelbrock headed 427 I am at 145 closed and 380 open .This is lunatis 73121 springs and a lunati solid flat tappet camshaft Your spring pressures should be fine .I run the same spring on my 460 powered dragcar with no issues there either .Doug 8)
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bn69stang

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Re: Spring pressure
« Reply #5 on: November 11, 2013, 07:00:22 PM »
Thanks guy s for the feed back , doing my homework on comps lifter s and lunati s .. Bud
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69 mach 1 , 428 C J  Blue Oval Performance BBM heads -T@D rocker s- Blue thunder intake - Comp hydr roller - MSD ignition - FPA headers- Holley 850 hp double pumper - TKO 600 - 9 inch 3.89 Detroit Locker . ride tech coil over conversion - power rack @ pinoin steering - 13 inch drilled @ slotted 4 wheel disc brakes ..
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