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Topic: E303 with GT40P Heads (Read 7287 times) previous topic - next topic

E303 with GT40P Heads

Reply #15 –
Yea stock short block,E7'S Ported with beehives.

E303 with GT40P Heads

Reply #16 –
If you haven't spent the money on the beehive springs yet, you may want to reconsider a conventional spring. 

I found they weren't worth the extra cash, despite all the hype.  Getting them installed correctly was a hassle.  Ended up milling the spring pocket and using a stepped retainer to get the proper installed height.  This was all at additional cost, over and above the price of the spring set.  Of course, the hype tells of lighter weight and superior valve control.  I did not experience better valve control, they floated at 6,300.  In this case I could have bought titanium retainers and conventional springs much cheaper (about 1/2 the cost) and had better valve control.

Beehive springs were developed for SBC, which has clearance issues between the retainer and the rocker arm.  The small retainer of the beehive eliminates this problem.  A SBF has plenty of room for a conventional retainer and rocker arm clearance. 

If you have a SBF, beehives can be a pricey and unnecessary upgrade.  It was for me.

E303 with GT40P Heads

Reply #17 –
Thanks for the info 86. The heads are already ported with standard HO springs,so I will leave them alone. Do I run the Mustang spark plugs or the T-bird spark plugs?

E303 with GT40P Heads

Reply #18 –
Stang plugs should be a good starting point...

E303 with GT40P Heads

Reply #19 –
Quote from: vinnietbird;211193
Um,well,I have an AOD and the E303,and the car has some wicked mid-range power,and idles a little "loapy",but is great.I have 3.55 gears.When I floor it from a stop,the tires don't have a chance (255 40 17).

Whats you gunna do with stick?LOL,I love how the E cam gets battered,It's a decent cam old school maybe?,It's got its merits if you no how to match it up and dial it in.
Old Grey Cat to this.88 Cat, 5.0 HO, CW mounts, mass air, CI custom cam, afr165's, Tmoss worked cobra intake, BBK shorty's,off road h pipe, magnaflow ex. T-5,spec stage 2 clutch, 8.8 373 TC trac loc, che ajustables with bullits on the rear. 11" brakes up front. +

E303 with GT40P Heads

Reply #20 –
When I install the 5 speed,I'm going to kill my rear tires quick,then,install new tires and enjoy the car.
'88 Sport--T-5,MGW shifter,Trick Flow R intake,Ed Curtis cam,Trick Flow heads,Scorpion rockers,75mm Accufab t-body,3G,mini starter,Taurus fan,BBK long tube headers,O/R H-Pipe, Flowamaster Super 44's, deep and deeper Cobra R wheels, Mass Air and 24's,8.8 with 3.73's,140 mph speedo,Mach 1 chin spoiler,SN-95 springs,CHE control arms,aluminum drive shaft and a lot more..

E303 with GT40P Heads

Reply #21 –
If your using the GTP heads you can’t use mustang spark plugs

E303 with GT40P Heads

Reply #22 –
I believe he listed ported E7's as head he is installing...

E303 with GT40P Heads

Reply #23 –
Yep installing the E7's. In the process of tear down now.Anybody got shorty headers for sale? I have stock stang ones on there now,looking to upgrade.

E303 with GT40P Heads

Reply #24 –
No headers,but I do have a complete set of brand new spark plugs for E-7 heads still in the package if you are needing any.
'88 Sport--T-5,MGW shifter,Trick Flow R intake,Ed Curtis cam,Trick Flow heads,Scorpion rockers,75mm Accufab t-body,3G,mini starter,Taurus fan,BBK long tube headers,O/R H-Pipe, Flowamaster Super 44's, deep and deeper Cobra R wheels, Mass Air and 24's,8.8 with 3.73's,140 mph speedo,Mach 1 chin spoiler,SN-95 springs,CHE control arms,aluminum drive shaft and a lot more..

E303 with GT40P Heads

Reply #25 –
Sorry Vinnie...it was a "B" cam in that 'Stang...not an E cam...I still don't like any of'em...lol.  I'm about as stubborn as an old mule too.

I was checking out some ISKY cams and they have a nasty low end cam...idle like stock, should work well with SD and stock valve springs....I can't remember the guys name here (I just woke up and am extra lathargic, cut me some slack) with a 10:1, "P" headed 5.0 with a Comp Magnum 266 cam and from my research that's a nice entry level all around cam...he put his new exhaust clip up...I'm sure you guys heard that...idled so nice...zero surge...I think that was the same guy...i don't know...still not with it...where's my coffee?
Project 3G: Grandpa Grocery Getter-'85 Crown Vic LTD 2-door, 351W with heavily ported/polished GT40 heads, heavily ported/polished Typhoon Power Plus upper & lower intake, Comp Cams 265DEH retarded 1*, FAST EZ-EFI, HD T5, 8.8" 3.73 trac lock with extra clutches, 3G alt. swap, '99 CVPI front brakes, '09 CVPI rear disc brakes, '00 CVPI booster&m/c + wilwood adj prop valve.

Parted & Gone-'88 T-bird Sport, 351W swap, ported GT40 heads
 

E303 with GT40P Heads

Reply #26 –
Quote from: Sick88Tbird;212793
Sorry Vinnie...it was a "B" cam in that 'Stang...not an E cam...I still don't like any of'em...lol.  I'm about as stubborn as an old mule too.

I was checking out some ISKY cams and they have a nasty low end cam...idle like stock, should work well with SD and stock valve springs....I can't remember the guys name here (I just woke up and am extra lathargic, cut me some slack) with a 10:1, "P" headed 5.0 with a Comp Magnum 266 cam and from my research that's a nice entry level all around cam...he put his new exhaust clip up...I'm sure you guys heard that...idled so nice...zero surge...I think that was the same guy...i don't know...still not with it...where's my coffee?


That would be my car;)

Cam works great but I had to bump the idle a bit with SD (it has a 114* lobe separation angle). It bumped mine to idle at 1050 rpm in park and 750 rpm in drive when hot. Works great and I've had no probelms so far.
88 Thunderbird LX: 306, Edelbrock Performer heads, Comp 266HR cam, Edelbrock Performer RPM intake, bunch of other stuff.