Max lift with stock spring?

skiwesser · 09-06-2005, 12:49 PM

How much lift do you suppose stock (replacement from NAPA) can take before coil bind? E7 heads.
Thanks
Wes

83GTMUSTANG · 09-06-2005, 02:57 PM

I've Got An E-303 Cam With .498 In. Of Lift An (.535 With The 1.72 Scorpion Rr's That I Have, With Stock Springs So That Should Give You An Idea Of What You Could Run But I Would Go With Some Double Springs Or .600 In. Lift Spring .......the Stock Springs Are Rated At About .500 Or So I Heard But Not Sure But I Havent Broke None Yet Not Very Smat Huh Will Change Soon.............

09-06-2005, 12:49 PM	#1
skiwesser Registered Member Join Date: Sep 2000 Location: rock hill,S.C. 29730 Posts: 420	Max lift with stock spring? How much lift do you suppose stock (replacement from NAPA) can take before coil bind? E7 heads. Thanks Wes __________________ 88 GT: subs,pullies, 1 3/4 longtubes, flowmasters, AFR 165's,T,F #1 cam,Thyphoon intake, 24# inj., 73mm C&L,65mmT.B., 190LPH pump, Eagle sir rods, forged pistons in a newly rebuilt 306. DYNO TUNED TO 300.97 RWHP 337RWTQ

09-06-2005, 02:57 PM	#2
83GTMUSTANG N-V-ME Join Date: May 2005 Location: SOUTHFIELD,MICHIGAN Posts: 155	Re: Max lift with stock spring? I've Got An E-303 Cam With .498 In. Of Lift An (.535 With The 1.72 Scorpion Rr's That I Have, With Stock Springs So That Should Give You An Idea Of What You Could Run But I Would Go With Some Double Springs Or .600 In. Lift Spring .......the Stock Springs Are Rated At About .500 Or So I Heard But Not Sure But I Havent Broke None Yet Not Very Smat Huh Will Change Soon............. __________________ 88' LX MUSTANG: LINCOLN ROTORS , AIR SUSPENSION FRONT AND REAR, SUBFRAMES, ROLL CAGE, 92' BLOCK, MSD 6AL, ACCEL 8.8 WIRES, ACCEL COIL, EDELBROCK F4B INTAKE (PORTED),2 IN. 4 HOLE SPACERS, HOLLEY 600 CARB.,HOLLEY BLUE FUEL PUMP AN REGULATOR, E 303 (.498 IN. 220 DUR.) CAM, (.535 IN. OF LIFT W/ 1.72 SCORPIN ROLLER ROCKERS), PORTED E7'S, FLOWTECH 1 5/8 LONG TUBE HEADERS, 2 1/2 IN. H PIPE, 2 CHAMBER FLOWMASTERS WITH 3 IN.DUMPS, T-5, 3.73 GEARS, 5 LUG AEROSTAR AXELS, 245-45-17 96' COBRA WHEELS

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