anyone running GT40 heads on a GT please help

redsn95vert · 03-19-2001, 11:14 AM

I just finished rebuilding the valve-train on my set of GT40s and I'm installing them this weekend. I've never done a head swap before and was just woindering if it should be a simple swap or is their anything else I need to do to keep my car legal.....
thanks.

------------------
95 GT convertable, 3.73 gears, bbk off road h-pipe, march underdrive pullies, Saleen wires, custom made cold air induction,
Future mods (Winter/Spring break)
Cobra intake w/ 65mm tb
GT40 heads, flowtech headers, Lunatti cam 230 duration 488 lift

Green92LX · 03-19-2001, 11:18 AM

According to your sig, you are already illegal...so don't sweat it...

Just take your time and follow torque specs

It really is a piece of cake

Oh yeah, good luck with the flowtech headers...I haven't heard one good thing about them yet

------------------
1992 5.0 LX, V-1 S-Trim @8LBS,Edelbrock 6037 Heads,Cobra Intake,E-303,1.6 Roller Rockers,65MM Holley TB, 75 MM Pro M Mass Air, 190 LPH FP,24 lb injectors,MSD 6A and BTM,BBK equal length shorties,offroad h-pipe,Mac Flowpath Mufflers,Pro 5.0, 3.73's,Motorsport "C" springs,welded subframe connectors,Ponies w/ 225/50 Nitto NT 450's on front,255/50 BFG Drags out back,93 Cobra Spoiler
Daily driver: 89 Coupe with 208K plus, BBK shorties,offroad h-pipe,2-chamber flowmasters with dumps,

Unit 5302 · 03-19-2001, 12:14 PM

I've learned 1st hand the Flowtech's are worth **** ! I could build a set of headers better than those morons. Prepare to have serious fitment, quality control, and bolting issues. All the runners are bent coming out of the head!!!! Some on mine were actually bent OVER the bolt holes.

Your off road H makes your car illegal in case you are wondering.

dinomite · 03-19-2001, 12:46 PM

Ya, without cats your already illegal. Get an H with high flow cats.

redsn95vert · 03-19-2001, 02:58 PM

I plan on swaping the h-pipe back and forth for inspection time...
Thanks
the flowtechs are really that bad....

Green92LX · 03-19-2001, 03:12 PM

They suck balls...I wouldn't buy em with your money or put them on my worst enemies car (well, maybe)

------------------
1992 5.0 LX, V-1 S-Trim @8LBS,Edelbrock 6037 Heads,Cobra Intake,E-303,1.6 Roller Rockers,65MM Holley TB, 75 MM Pro M Mass Air, 190 LPH FP,24 lb injectors,MSD 6A and BTM,BBK equal length shorties,offroad h-pipe,Mac Flowpath Mufflers,Pro 5.0, 3.73's,Motorsport "C" springs,welded subframe connectors,Ponies w/ 225/50 Nitto NT 450's on front,255/50 BFG Drags out back,93 Cobra Spoiler
Daily driver: 89 Coupe with 208K plus, BBK shorties,offroad h-pipe,2-chamber flowmasters with dumps,

redsn95vert · 03-19-2001, 03:48 PM

My gf got them for me for Xmass, so I'm stuck....
If I don't use them, I csn't use HER...

redsn95vert · 03-19-2001, 04:05 PM

my main concern is if I will be ok using the stock rods and rockers?

93CobraR · 03-19-2001, 07:37 PM

Just make sure that you have new heads bolts and all the GT-40's I have seen you need the head bolt washers. Make sure you DON'T put them on backwards. Mine went on perfect with no problems, everything lined up great. Good luck!

------------------
87 GT, 4 inch cowl hood,17x9 Cobra R's/255/45's,GT-40 heads,long tubes headers,h-pipe,Flows,BBK cold air, Mass air,70mm MAF, 1.7's, 1" spacer,underdrive pulleys,Pro 5.0, King Cobra, Adj. fuel Reg., Lakewood Lift Bars,50/50's,subframes, 4.10's.
Best time 13.012
Best MPH 104
Best 60' 1.816

Visit my site at:
http://www.geocities.com/cobrar93_2000/MyPage.html

03-19-2001, 11:14 AM	#1
redsn95vert Registered Member Join Date: Jul 2000 Location: Rochester Posts: 323	anyone running GT40 heads on a GT please help I just finished rebuilding the valve-train on my set of GT40s and I'm installing them this weekend. I've never done a head swap before and was just woindering if it should be a simple swap or is their anything else I need to do to keep my car legal..... thanks. ------------------ 95 GT convertable, 3.73 gears, bbk off road h-pipe, march underdrive pullies, Saleen wires, custom made cold air induction, Future mods (Winter/Spring break) Cobra intake w/ 65mm tb GT40 heads, flowtech headers, Lunatti cam 230 duration 488 lift

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03-19-2001, 11:18 AM	#2
Green92LX Registered Member Join Date: Jun 1999 Location: North Haven,CT Posts: 336	According to your sig, you are already illegal...so don't sweat it... Just take your time and follow torque specs It really is a piece of cake Oh yeah, good luck with the flowtech headers...I haven't heard one good thing about them yet ------------------ 1992 5.0 LX, V-1 S-Trim @8LBS,Edelbrock 6037 Heads,Cobra Intake,E-303,1.6 Roller Rockers,65MM Holley TB, 75 MM Pro M Mass Air, 190 LPH FP,24 lb injectors,MSD 6A and BTM,BBK equal length shorties,offroad h-pipe,Mac Flowpath Mufflers,Pro 5.0, 3.73's,Motorsport "C" springs,welded subframe connectors,Ponies w/ 225/50 Nitto NT 450's on front,255/50 BFG Drags out back,93 Cobra Spoiler Daily driver: 89 Coupe with 208K plus, BBK shorties,offroad h-pipe,2-chamber flowmasters with dumps,

03-19-2001, 12:14 PM	#3
Unit 5302 Registered Member Join Date: May 1999 Posts: 5,246	I've learned 1st hand the Flowtech's are worth **** ! I could build a set of headers better than those morons. Prepare to have serious fitment, quality control, and bolting issues. All the runners are bent coming out of the head!!!! Some on mine were actually bent OVER the bolt holes. Your off road H makes your car illegal in case you are wondering.

03-19-2001, 12:46 PM	#4
dinomite The Dude Join Date: Feb 2001 Location: Arlington, VA Posts: 1,262	Ya, without cats your already illegal. Get an H with high flow cats.

03-19-2001, 02:58 PM	#5
redsn95vert Registered Member Join Date: Jul 2000 Location: Rochester Posts: 323	I plan on swaping the h-pipe back and forth for inspection time... Thanks the flowtechs are really that bad....

03-19-2001, 03:12 PM	#6
Green92LX Registered Member Join Date: Jun 1999 Location: North Haven,CT Posts: 336	They suck balls...I wouldn't buy em with your money or put them on my worst enemies car (well, maybe) ------------------ 1992 5.0 LX, V-1 S-Trim @8LBS,Edelbrock 6037 Heads,Cobra Intake,E-303,1.6 Roller Rockers,65MM Holley TB, 75 MM Pro M Mass Air, 190 LPH FP,24 lb injectors,MSD 6A and BTM,BBK equal length shorties,offroad h-pipe,Mac Flowpath Mufflers,Pro 5.0, 3.73's,Motorsport "C" springs,welded subframe connectors,Ponies w/ 225/50 Nitto NT 450's on front,255/50 BFG Drags out back,93 Cobra Spoiler Daily driver: 89 Coupe with 208K plus, BBK shorties,offroad h-pipe,2-chamber flowmasters with dumps,

03-19-2001, 03:48 PM	#7
redsn95vert Registered Member Join Date: Jul 2000 Location: Rochester Posts: 323	My gf got them for me for Xmass, so I'm stuck.... If I don't use them, I csn't use HER...

03-19-2001, 04:05 PM	#8
redsn95vert Registered Member Join Date: Jul 2000 Location: Rochester Posts: 323	my main concern is if I will be ok using the stock rods and rockers?

03-19-2001, 07:37 PM	#9
93CobraR Registered Member Join Date: Oct 1999 Location: Cincinnati, Ohio Posts: 1,575	Just make sure that you have new heads bolts and all the GT-40's I have seen you need the head bolt washers. Make sure you DON'T put them on backwards. Mine went on perfect with no problems, everything lined up great. Good luck! ------------------ 87 GT, 4 inch cowl hood,17x9 Cobra R's/255/45's,GT-40 heads,long tubes headers,h-pipe,Flows,BBK cold air, Mass air,70mm MAF, 1.7's, 1" spacer,underdrive pulleys,Pro 5.0, King Cobra, Adj. fuel Reg., Lakewood Lift Bars,50/50's,subframes, 4.10's. Best time 13.012 Best MPH 104 Best 60' 1.816 Visit my site at: http://www.geocities.com/cobrar93_2000/MyPage.html