milling heads...question

82 GT · 05-04-2003, 04:10 AM

How far can you mill heads before you have to change push rod length?

skiwesser · 05-04-2003, 11:14 PM

I just had mine milled .035 and added 1.7rr's &
i reused stock pushrods with no probs.
I think you can't go more than .040 without cutting the intake
as well, this prob would occur b-for p-rods became a prob.
( I think )

gofastmercury · 05-04-2003, 11:17 PM

It never hurts to check after milling. Custom pushrods arn't that much money.

05-04-2003, 04:10 AM	#1
82 GT Import Slayer Join Date: May 1999 Posts: 2,241	milling heads...question How far can you mill heads before you have to change push rod length? __________________ '82 GT 351W (.060)Comp Cams 274* Extreme Energy cam, ported & polished heads w/ 1.94/1.60 valves 10.3:1 flat top pistons,stealth intake, Mallory dizzy,Holley 750dp carb, BBK shorties,Flowmaster exhaust,C-4 with 3700 stall converter, B&M pro shifter,8.8 rear, 4:10's, subframes, electric fan, powermaster alternator, 4 core radiator.

05-04-2003, 11:14 PM	#2
skiwesser Registered Member Join Date: Sep 2000 Location: rock hill,S.C. 29730 Posts: 420	I just had mine milled .035 and added 1.7rr's & i reused stock pushrods with no probs. I think you can't go more than .040 without cutting the intake as well, this prob would occur b-for p-rods became a prob. ( I think ) __________________ 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

05-04-2003, 11:17 PM	#3
gofastmercury Registered Member Join Date: May 2001 Location: calgary alberta canada Posts: 366	It never hurts to check after milling. Custom pushrods arn't that much money. __________________ 93LXcopcarSOLD14.3@96 @ 4500ft 2.02 60ft on street tires. my 67 ranchero NOT A 390 ANY MORE! 460! 3.70's cast manifolds, comp cams 262H, performer, 750DP 100K out of 79 F250 NEW(oct20/02)14.58@95mph 2.3 60 ft corrects to:13.86@100 66 merc comet351w, isky roller 600 lift 268/260@.050, vic jr. 700DP, 5000stall, 4.56's c-4, 3400lbs with driver 12.3@110 @ 4000ft 1.69 60 ft corrects to:11.69@115

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