347 stroker afr head question!!!!!!

foxcoupe · April 24th, 2011, 03:50 PM

has anyone had problems with the valve springs becoming weak on an afr head, my buddy has a 347 stroker with afr heads roller rocker setup and number 6 keeps givin us problems

93hatch · April 24th, 2011, 03:55 PM

he use the stock shit springs the heads come with?

flattusmaximus78 · April 24th, 2011, 05:01 PM

If he used the stock springs the problem isn't the heads, the problem is you. Those springs are not mae for the cam in the car. It's not shocking that theyd float... if thats your problem.

69fastback · April 24th, 2011, 05:07 PM

I can't believe manufacturers still sell heads and say the springs are good to X amount of lift. Valve springs don't work that way, and AFR come with shitty springs to begin with. Call the cam manufacturer and buy the springs they say you need for the cam.

foxcoupe · April 24th, 2011, 05:40 PM

he bought the car already with this setup and have all the receipts for the motor etc etc etc, and he asked me to come look at it since im the area mustang guy lol. but yeah thats what i suggested was to just get springs from trickflow or frpp springs that are suitable for his cam

flattusmaximus78 · April 24th, 2011, 08:01 PM

If you have the time, I'd get the cam card and swap some good springs in.

April 24th, 2011, 03:50 PM	#1
foxcoupe Newbie Join Date: Apr 2011 Posts: 16 iTrader: 0 reviews	347 stroker afr head question!!!!!! has anyone had problems with the valve springs becoming weak on an afr head, my buddy has a 347 stroker with afr heads roller rocker setup and number 6 keeps givin us problems

April 24th, 2011, 03:55 PM	#2
93hatch Banned 1992 Lx 11.39@119.24 Join Date: Jan 2008 Location: Az Posts: 11,644 iTrader: 0 reviews	he use the stock shit springs the heads come with? __________________ [QUOTE=93mustank;2577445]We speed tested my right arm for quickness in shifts... So he could design the cam for proper shift recovery.[/QUOTE]

April 24th, 2011, 05:01 PM	#3
flattusmaximus78 I Post Entirely Way Too Much 1993 5.ohhhh 12.97 @140mph Join Date: Apr 2006 Location: Gatorland Posts: 6,122 iTrader: 3 reviews	If he used the stock springs the problem isn't the heads, the problem is you. Those springs are not mae for the cam in the car. It's not shocking that theyd float... if thats your problem. __________________ 02 Pewter z28, hoosiers/lid/exhaust/spray...125mph 1993 gt Sold, already missed --Moates Quarter horse $225-- --Cobra intake $150-- --tremec 3550 bell and shifter $1100--

April 24th, 2011, 05:07 PM	#4
69fastback Premium Member 1969 Mustang Mach 1 6.824@101.61 Join Date: Aug 2006 Location: Oklahoma jackass, get to driving Posts: 5,565 iTrader: 0 reviews	I can't believe manufacturers still sell heads and say the springs are good to X amount of lift. Valve springs don't work that way, and AFR come with shitty springs to begin with. Call the cam manufacturer and buy the springs they say you need for the cam. __________________ ./___ _ ____ ___ \. ( ]]] _ _ O _ _ [[[ ) \_ o _ _____ _ o _/ \|___\| ......... \|___\| http://www.youtube.com/watch?v=HyYU3...e_gdata_player

April 24th, 2011, 08:01 PM	#6
flattusmaximus78 I Post Entirely Way Too Much 1993 5.ohhhh 12.97 @140mph Join Date: Apr 2006 Location: Gatorland Posts: 6,122 iTrader: 3 reviews	If you have the time, I'd get the cam card and swap some good springs in. __________________ 02 Pewter z28, hoosiers/lid/exhaust/spray...125mph 1993 gt Sold, already missed --Moates Quarter horse $225-- --Cobra intake $150-- --tremec 3550 bell and shifter $1100--

April 24th, 2011, 05:40 PM	#5
foxcoupe Newbie Join Date: Apr 2011 Posts: 16 iTrader: 0 reviews	he bought the car already with this setup and have all the receipts for the motor etc etc etc, and he asked me to come look at it since im the area mustang guy lol. but yeah thats what i suggested was to just get springs from trickflow or frpp springs that are suitable for his cam

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