408w running poorly

rwhite65 · 08-30-2005, 09:28 PM

I used the Printo -seal gaskets by Fel pro, FPP-1262 with a 2.100 port height and 1.280 port width. I used the tightening procedure in my haynes maual. I am gonna get a torque wrench tom and retorque them. If that dont work, I am gonna redo them. If I still have a problem, I am gonna suspect the used heads. Thanks guys
Ryan

~The Jester~ · 08-31-2005, 08:50 AM

Quote:

Originally Posted by rwhite65

I used the Printo -seal gaskets by Fel pro, FPP-1262 with a 2.100 port height and 1.280 port width. I used the tightening procedure in my haynes maual. I am gonna get a torque wrench tom and retorque them. If that dont work, I am gonna redo them. If I still have a problem, I am gonna suspect the used heads. Thanks guys
Ryan

Aluminum intakes on Aluminum heads are a pain in the arse. I torgue them (in the correct pattern) starting at 10#, do that like 2 or 4 times until they're ALL at 10#. Once you work your way out to the ends, the middle ones are no longer at 10#, with me? Then up to 15#, do the same thing, then on to 20#, do the same thing, then on to 24#. Be VERY careful on the end bolts!!! There's not alot of meat out on the end of the head for the intake bolt to hang onto. Our 333 is fine, but our 347 I actually had to use longer bolts just on the 4 corners. Sounds like a pain in the ass, and it IS! But that method works really well, and should kill your leak. After the engine gets some heat in her, kill it and retorque. You'll be SURPRISED how loose those bolts are!

rwhite65 · 08-31-2005, 09:20 AM

I would be so happy not have to pull that darn thing again...I still gotta re-pull mine for the trick flow cam I am ordering

thanks guys,
Ryan

~The Jester~ · 08-31-2005, 11:07 AM

Quote:

Originally Posted by rwhite65

I would be so happy not have to pull that darn thing again...I still gotta re-pull mine for the trick flow cam I am ordering

thanks guys,
Ryan

I KNOW what you mean! Bent 2 valves, broke a guide plate, 2 pushrods, 2 rockers up at Fun Ford. Fixed all that over the course of 2 weeks, took the car for a 5 mile test drive, all was well. VERY well! Washed the car, took a shower, heading out to a car show. Car shut off in the driveway. Long story short, the pin came out of the cam gear. Bent 12 valves, 6 pushrods, 1 rocker. Not even 5 miles later, off come the heads.........

Ain't cars FUN???!??!??

Ieatcamaros · 08-31-2005, 12:45 PM

Quote:

Originally Posted by ~The Jester~

I KNOW what you mean! Bent 2 valves, broke a guide plate, 2 pushrods, 2 rockers up at Fun Ford. Fixed all that over the course of 2 weeks, took the car for a 5 mile test drive, all was well. VERY well! Washed the car, took a shower, heading out to a car show. Car shut off in the driveway. Long story short, the pin came out of the cam gear. Bent 12 valves, 6 pushrods, 1 rocker. Not even 5 miles later, off come the heads.........

Ain't cars FUN???!??!??

That sucks!

rwhite65 · 08-31-2005, 03:11 PM

Jester,
Thanks for putting stuff into perspective...now I dont care as much about the leaky intake

Ryan

tarmon8r · 08-31-2005, 11:06 PM

Not having enough initial timing will cause the idle problem you are talking about. Set your baselines with atleast 10 degrees initial..

08-30-2005, 09:28 PM	#1
rwhite65 Ride Hard Join Date: Oct 2000 Location: Wyoming IL Posts: 1,094	Re: 408w running poorly I used the Printo -seal gaskets by Fel pro, FPP-1262 with a 2.100 port height and 1.280 port width. I used the tightening procedure in my haynes maual. I am gonna get a torque wrench tom and retorque them. If that dont work, I am gonna redo them. If I still have a problem, I am gonna suspect the used heads. Thanks guys Ryan __________________ 65 Fastback 91 roller 306, H/C/I AOD-Bauman, PI Stallion, 4.10's and traction loc 04 Grand Cherokee Freedom Edition 79 Ford F-250 4x4 - Restored

08-31-2005, 09:20 AM	#3
rwhite65 Ride Hard Join Date: Oct 2000 Location: Wyoming IL Posts: 1,094	Re: 408w running poorly I would be so happy not have to pull that darn thing again...I still gotta re-pull mine for the trick flow cam I am ordering thanks guys, Ryan __________________ 65 Fastback 91 roller 306, H/C/I AOD-Bauman, PI Stallion, 4.10's and traction loc 04 Grand Cherokee Freedom Edition 79 Ford F-250 4x4 - Restored

08-31-2005, 03:11 PM	#6
rwhite65 Ride Hard Join Date: Oct 2000 Location: Wyoming IL Posts: 1,094	Re: 408w running poorly Jester, Thanks for putting stuff into perspective...now I dont care as much about the leaky intake Ryan __________________ 65 Fastback 91 roller 306, H/C/I AOD-Bauman, PI Stallion, 4.10's and traction loc 04 Grand Cherokee Freedom Edition 79 Ford F-250 4x4 - Restored

08-31-2005, 11:06 PM	#7
tarmon8r Registered Member Join Date: Jun 2002 Location: manassas, va Posts: 186	Re: 408w running poorly Not having enough initial timing will cause the idle problem you are talking about. Set your baselines with atleast 10 degrees initial.. __________________ 1983 mustang, 393 cubic inch stroker small block, victor jr heads and intake, gold race 1.6 roller rockers. comp cam 304, 244@ .050. .576" hydralic retro roller cam,lunati rods. block was o-ringed,10:1 forged pistons, speed pro fit fit rings, clevite bearings,msd distributor and igniton,be cool huge radiator, black lite electric fan, march underdrive pulleys, mildon deep sump oil pan, mac 1 3.4" long tube headers, 3" dr gas x-pipe and mac exhaust,ARP bolts. car weighs 2900 lbs w/out driver, sub frames, weld wheels, mickey thompson sportsman pro 26 x 10.5 x 15's,#8 fuel line steel braided

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