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1998 Explorer engine questions.....

Reply #15 –
I've got GT40Ps on my car, with 1.7RRs. I'm using a set of BBK Shorty headers. Same typical set a lot of 5.0 owners use, Only problem is you need a right angle boot on the #7 cylinder, and that plug needs to be installed before the header gets bolted on, otherwise you won't get a tool in there. Every other cylinder should be no problem at all. I also run the stock HO cam and have completely eliminated the EGR and Smog. I've got one little hickup that randomly shows its face but its nothing to complain about, generally the car runs great. I believe my problem comes from a stock ECU trying to run a motor thats drastically changed. (Speed Density that is). I haven't found a Mass Air ECU yet.  I'm also running 24# injectors, Its diffenently a wise choice for the combo. All in all, my car runs great and I'm running basically what you have described. Good luck.

1998 Explorer engine questions.....

Reply #16 –
Are you putting the GT40Ps on the block you have now with the flat tops? You probably will have some piston to valve issues if you run the GT40Ps and an E303 with the flat tops as the GT40Ps have bigger intake valves.
88 Thunderbird LX: 306, Edelbrock Performer heads, Comp 266HR cam, Edelbrock Performer RPM intake, bunch of other stuff.

1998 Explorer engine questions.....

Reply #17 –
Quote from: thunderjet302;291188
Are you putting the GT40Ps on the block you have now with the flat tops? You probably will have some piston to valve issues if you run the GT40Ps and an E303 with the flat tops as the GT40Ps have bigger intake valves.


I'm buying the entire engine.
'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..

1998 Explorer engine questions.....

Reply #18 –
Quote from: Xtremitie;291177
I've got GT40Ps on my car, with 1.7RRs. I'm using a set of BBK Shorty headers. Same typical set a lot of 5.0 owners use, Only problem is you need a right angle boot on the #7 cylinder, and that plug needs to be installed before the header gets bolted on, otherwise you won't get a tool in there. Every other cylinder should be no problem at all. I also run the stock HO cam and have completely eliminated the EGR and Smog. I've got one little hickup that randomly shows its face but its nothing to complain about, generally the car runs great. I believe my problem comes from a stock ECU trying to run a motor thats drastically changed. (Speed Density that is). I haven't found a Mass Air ECU yet.  I'm also running 24# injectors, Its diffenently a wise choice for the combo. All in all, my car runs great and I'm running basically what you have described. Good luck.


I have Mass Air,so,I shouldn't have any issues with it at all.
'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..

1998 Explorer engine questions.....

Reply #19 –
Quote from: vinnietbird;291192
I'm buying the entire engine.


Ok just making sure ;)
88 Thunderbird LX: 306, Edelbrock Performer heads, Comp 266HR cam, Edelbrock Performer RPM intake, bunch of other stuff.

1998 Explorer engine questions.....

Reply #20 –
Quote from: thunderjet302;291194
Ok just making sure ;)


I'll take any comments.Whether it's "making sure" stuff,hints and tips,whatever.I appreciate it all.
'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..

1998 Explorer engine questions.....

Reply #21 –
Since you have time to build the engine right (you have a running T-bird ;)) I suggest saving your money up and doing it right. Rebuild the lower end and heads with quality components, not cheap stuff. For a cam contact Jay here: http://www.camshaftinnovations.com/ I wish I did when I built my engine. He can hook you up with a matched cam, lifters, springs, and timing chain. Yes it will cost more than it would from ebay or Summit Racing but you get top quality parts. It's cheaper to buy something once than twice ;)
88 Thunderbird LX: 306, Edelbrock Performer heads, Comp 266HR cam, Edelbrock Performer RPM intake, bunch of other stuff.

1998 Explorer engine questions.....

Reply #22 –
The bottom end....short block....is in great shape.Only 30,xxx miles on it.No rebuild for it.The heads will get a mild posting,valve job,new valve seals and springs.When I install the heads back on to the block,I'll install my 1.6 roller rockers more than likely and my E303.That's as of this thread.Things can change over time.I'm taking it one step at a time.No rush.
'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..

1998 Explorer engine questions.....

Reply #23 –
Here's a pic of my explorer long block when I first bought the car.

1998 Explorer engine questions.....

Reply #24 –
Was it a "P" engine?
'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..

1998 Explorer engine questions.....

Reply #25 –
Quote from: vinnietbird;291356
Was it a "P" engine?


Yes it was.

1998 Explorer engine questions.....

Reply #26 –
It may have been said but I didn't see it..The 96/97 Explorer 302 had the internal EGR intake. 98-2000 had the ext.

You could probly just get a 96/97 intake and be fine with the same heads.
1988 Cougar LS 5.0 (currently parting out):cougarsmily:
1989 Mustang LX Notch 2.3 (Project):ford:

1998 Explorer engine questions.....

Reply #27 –
He's already got an Explorer intake on his current engine that can be used. The heads are all drilled for EGR as far as I know. Mine (gt40p's from I think 2000?) has functional EGR.
1988 Thunderbird Sport

1998 Explorer engine questions.....

Reply #28 –
Yep,I'm using the '96 Explorer intake on the replacement engine.....when the time comes.
'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..

1998 Explorer engine questions.....

Reply #29 –
Due to horrible weather,the engine has been postponed until Monday.Oh well,I can't use it right now anyway.
'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..