Valve Spring question? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

BIGBLU 72 · 11-19-2009, 10:14 PM

Will valve springs from a 1970 Z-28 camaro work in the heads on my 400 small block?

turp mcspray · 11-19-2009, 10:26 PM

Yes, IIRC the "z28" springs are good for .480-.500 lift or so. The are still stock diameter and don't require any machine work on your heads. A lot of places sell these as an inexpensive upgrade. Find out what your cam requires for seat pressures and buy springs accordingly.

11-19-2009, 10:14 PM	#1
BIGBLU 72 Registered User Join Date: Dec 2008 Location: Ashland, KY Posts: 700	Valve Spring question? Will valve springs from a 1970 Z-28 camaro work in the heads on my 400 small block? __________________ 68 C10 LWB 2/4 drop 406/th400/3.73posi 04 Silverado SS LQ9 6.0/4L65e/4.11posi AWD

11-19-2009, 10:26 PM	#2
turp mcspray Registered User Join Date: May 2007 Location: Rapid City South Dakota Posts: 2,359	Re: Valvue Spring question? Yes, IIRC the "z28" springs are good for .480-.500 lift or so. The are still stock diameter and don't require any machine work on your heads. A lot of places sell these as an inexpensive upgrade. Find out what your cam requires for seat pressures and buy springs accordingly. __________________ Turp Mcspray New life for an old 2wd, farm blazer http://67-72chevytrucks.com/vboard/s...d.php?t=505987 My Blazer build http://67-72chevytrucks.com/vboard/s...d.php?t=342299

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