View Full Version : GT40 heads and valve springs
mustang_gt88
12-16-2011, 11:46 PM
Im buying a set of gt40ps and want some info on what valve springs to use. I have a e303 cam and the e7 heads I took off have 1.404 od valve springs. I new at this and want to get it right the first time.
90fastgt
12-16-2011, 11:48 PM
I bought the trick flow valve springs they work awesome
mustang_gt88
12-16-2011, 11:53 PM
Which kit did you buy?
90fastgt
12-17-2011, 12:55 AM
I will have to look for sure I got the kit off late model restoration it was $150 its good for a cam up to 544 lift an came with everything shims directions valve seals etc.
kennebellcobra
12-17-2011, 09:30 AM
Have used these on all my gt-40/p builds.....
http://www.summitracing.com/parts/CRN-44308-1/
mustang_gt88
12-17-2011, 10:09 AM
Thanks guys,
NXcoupe
12-17-2011, 03:37 PM
I keep the trick flow kit in stock, comes with springs, retainers, locks, valve seals and shims. Everything needed and it's really good quality. I've seen some that use the same retainer for exhaust and intake, and the valve heights are different when you do that. The trick flows keep the installed height the same on both valves. The kit is 149.
blown96cobra
12-17-2011, 04:01 PM
ive used the comp cams 942-16 kit with good success.
mustang_gt88
12-17-2011, 04:05 PM
Mike I will buy the kit from you then. I should get the heads this week.
INSANEBA
12-19-2011, 09:35 AM
I'm doing some gasket matching, and cleaning up on my P's, then I'm taking them down to Mike and letting him do a valve job and set my springs up!
orangeconv
12-19-2011, 11:46 AM
I have springs out of my gt40 heads that were to weak for my cam that have less than 500 miles ill sell you
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