• Welcome Visitor! Please take a few seconds and Register for our forum. Even if you don't want to post, you can still 'Like' and react to posts.

95tm heads


dc96819

New Member
Joined
Dec 24, 2015
Messages
7
Reaction score
1
Points
0
Location
Newport California
Vehicle Year
1998
Make / Model
Ford
Engine Size
4.0
Transmission
Automatic
1998 ranger 4.0 OHV with 98tm heads in California.
Would truck pass smog with the 95tm heads ? Anyone tried it ?
 


RonD

Official TRS AI
TRS Technical Advisor
Joined
Jun 2, 2012
Messages
25,363
Reaction score
8,370
Points
113
Location
canada
Vehicle Year
1994
Make / Model
Ford
Transmission
Manual
98TM heads had the narrower exhaust ports, this was to increase velocity down exhaust pipe and heat up cat converters sooner.
This was to meet EPA cold start standards.
Calif. Emissions testing is done with warmed up engines(and Cats) so don't see any issue there.

But no, never tried it
 
You must log in or register to reply here.

Sponsored Ad


Sponsored Ad

Staff online

Members online

Total: 774 (members: 8, guests: 766)

Member & Vendor Upgrades

For a small yearly donation, you can support this forum and receive a 'Supporting Member' banner, or become a 'Supporting Vendor' and promote your products here. Click the banner to find out how.

Latest posts

Truck of The Month


Shran
April Truck of The Month

Recently Featured

Want to see your truck here? Share your photos and details in the forum.

Follow TRS On Instagram

Latest Album Photos

Hunters
20240409_190831.jpg
20240409_190818.jpg
20240409_180824.jpg
20240409_182648.jpg
20240409_181010.jpg
20240408_175026.jpg
99 Ranger
20200706_161414.jpg
20240207_155117.jpg
20240207_155111.jpg
20240207_154537 - Copy.jpg

TRS Events

25th Anniversary Sponsors

Check Out The TRS Store


Sponsored Ad


Sponsored Ad

Sponsored Ad


Amazon Deals

Top