Explorer parts

blk88lx · 05-20-2002, 10:25 PM

Hey all,

Have heard some talk about explorer heads and intake. From what I've read the 5.0 in th explorer needed some more breathing so they opened up th heads and intake. Was told that it is a good cheap swap into a Mustang. This true? I was told the only mod needed is new headers, Something like that worth it?

Jayson

stock89 · 05-20-2002, 10:38 PM

Quote:

Originally posted by blk88lx
Hey all,

opened up th heads

Jayson

Slappy,
You KILL me.

84LX89GT · 05-21-2002, 07:26 PM

If you're on a budget that is a good way to go. The explorer intake flows like 1 cfm less than the actual Motorsport Cobra intake and the heads have larger valves, larger ports and a "quick burn" combustion chamber that is much better than stock. Because of the combustion chamber redesign the spark plugs are angled differently and interfere with the stock mustang headers, so special headers for those GT40-P cylinder heads as they're called are required and they also cost more than regualr headers. You can get the heads and intake for pretty cheap so the extra cost for the headers is no big deal.
Good luck,

Unit 5302 · 05-22-2002, 12:02 AM

I've heard the Explorer intake dynos the same as the Cobra or GT40, but the numbers I have seen place the Explorer at 189cfm average, where the Cobra is at 199, and the GT-40 is 200.

The GT-40P heads wern't redesigned so the Explorer could be a hi po machine. The combustion chamber had to be redesigned to meet new more strict air standards. Ford would have liked to use the 4.6L in the Explorer I'm sure, but that engine was in huge demand, and it wasn't suitable for truck use at the time. The engine bay would have needed to be enlarged too. They decided to use the venerable 5.0. When they redesigned the heads to burn cleaner, I'm sure they added some higher flowing castings partially due to the demand they expected from the Mustang aftermarket scene. They definately wanted good flow down low, and the GT-40P heads delivered quite nicely.

The Explorer intake, GT-40P heads, and a mild cam can be setup to produce 320hp pretty easily. It's a good N/A steet setup for sure. As mentioned it will require special headers, and some minor modifcation.

05-20-2002, 10:25 PM	#1
blk88lx Registered Member Join Date: Jun 2001 Location: Fort Leonard Wood, MO Posts: 179	Explorer parts Hey all, Have heard some talk about explorer heads and intake. From what I've read the 5.0 in th explorer needed some more breathing so they opened up th heads and intake. Was told that it is a good cheap swap into a Mustang. This true? I was told the only mod needed is new headers, Something like that worth it? Jayson

05-21-2002, 07:26 PM	#3
84LX89GT Mustangs Join Date: Jul 2000 Posts: 1,938	If you're on a budget that is a good way to go. The explorer intake flows like 1 cfm less than the actual Motorsport Cobra intake and the heads have larger valves, larger ports and a "quick burn" combustion chamber that is much better than stock. Because of the combustion chamber redesign the spark plugs are angled differently and interfere with the stock mustang headers, so special headers for those GT40-P cylinder heads as they're called are required and they also cost more than regualr headers. You can get the heads and intake for pretty cheap so the extra cost for the headers is no big deal. Good luck, __________________ 2005 Suzuki Hayabusa GSX1300-R 1980 Ford Thunderbird - 255 V8 ported heads, 5.0L ported stock headers, O.R. H-pipe and Flowmaster 2-chambers, dual roller timing chain hi-po Mack Truck hood emblem 1985 Mustang GT 5.0L T5, F-303, GT40p, headers, off-road h, flowmasters, MSD stuff, etc. Sold 02/06/04 1989 Mustang GT ET: 13.304@102.29 mph (5-24-03) Sold - 1998 Mustang Cobra coupe, 1/4 mile - street tires: 13.843@103.41 (bone stock)

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05-22-2002, 12:02 AM	#4
Unit 5302 Registered Member Join Date: May 1999 Posts: 5,246	I've heard the Explorer intake dynos the same as the Cobra or GT40, but the numbers I have seen place the Explorer at 189cfm average, where the Cobra is at 199, and the GT-40 is 200. The GT-40P heads wern't redesigned so the Explorer could be a hi po machine. The combustion chamber had to be redesigned to meet new more strict air standards. Ford would have liked to use the 4.6L in the Explorer I'm sure, but that engine was in huge demand, and it wasn't suitable for truck use at the time. The engine bay would have needed to be enlarged too. They decided to use the venerable 5.0. When they redesigned the heads to burn cleaner, I'm sure they added some higher flowing castings partially due to the demand they expected from the Mustang aftermarket scene. They definately wanted good flow down low, and the GT-40P heads delivered quite nicely. The Explorer intake, GT-40P heads, and a mild cam can be setup to produce 320hp pretty easily. It's a good N/A steet setup for sure. As mentioned it will require special headers, and some minor modifcation.