Trick Flow Track heat valve springs?

Tony_90fox · June 23rd, 2007, 12:08 AM

What does it take to get these on a pair of iron GT40 heads??? I hear there is some cutting involved, and i would also have to get the Trick Flow locks and retainers as well...

Is it true that you have to modify the head some to get them on there? Typical cost of that if anybody knows?

For what it's worth, GT40 heads, FMS B303 cam, and Crane 1.7 RR's, and i want plenty spring to hold.

Darrell · June 23rd, 2007, 04:02 AM

If the heads don't have a spring pocket big enough to accept them you will need to have the spring pockets cut. Get valve springs to match your cam. The B cam doesn't need much for a spring.

Tony_90fox · June 23rd, 2007, 01:31 PM

So are the stock GT40 springs alright? That is what is on the heads and they are new as the heads are fresh out of the shop with a valve job, and all that jive.
I think with the 1.7s i will have like a .510 or .514 lift...does that sound right Darrell?

June 23rd, 2007, 12:08 AM	#1
Tony_90fox MM Fanatic Join Date: Jun 2006 Location: Bowling Green, KY Posts: 3,445	Trick Flow Track heat valve springs? What does it take to get these on a pair of iron GT40 heads??? I hear there is some cutting involved, and i would also have to get the Trick Flow locks and retainers as well... Is it true that you have to modify the head some to get them on there? Typical cost of that if anybody knows? For what it's worth, GT40 heads, FMS B303 cam, and Crane 1.7 RR's, and i want plenty spring to hold. __________________ Suck on it Trebek. Suck it long, suck it hard.

June 23rd, 2007, 04:02 AM	#2
Darrell MM Ninjas! 1990 Mustang LX 9.36@143 mph Join Date: Jan 2006 Location: Fond du Lac, Wisconsin Posts: 6,449	If the heads don't have a spring pocket big enough to accept them you will need to have the spring pockets cut. Get valve springs to match your cam. The B cam doesn't need much for a spring. __________________ Racing in memory of Dave Bandt 11/19/69 - 3/23/08 "he's traded his wheels for wings" Professor of Natural Aspiration Thanks to: Artie at Trick Flow, Dave at Team Z Motorsports, Brian at Total Engine Airflow and Harold at Furo Racecraft

June 23rd, 2007, 01:31 PM	#3
Tony_90fox MM Fanatic Join Date: Jun 2006 Location: Bowling Green, KY Posts: 3,445	So are the stock GT40 springs alright? That is what is on the heads and they are new as the heads are fresh out of the shop with a valve job, and all that jive. I think with the 1.7s i will have like a .510 or .514 lift...does that sound right Darrell? __________________ Suck on it Trebek. Suck it long, suck it hard.

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