On a 2.3 L engine, why did they lower the compression when they changed to FI from carburation

10

Asked by Mar 22, 2014 at 06:35 PM about the 1985 Ford Ranger S Standard Cab SB

Question type: Maintenance & Repair

From info I've been able to dig up. (84 2.3L carburetor has higher compression) when FoMoCo changed to fuel injection (85) they lowered the compression ratio.
WHY???

2 Answers

78,305

EPA regulation change in 1985, they did it to pass emission standards.

21,815

Yup. Most likely to cool combustion temperatures and lower Oxides of Nitrogen.

Your Answer

Add photo

Related Questions

Search Ford Ranger Questions

Ford Ranger Experts

#1 FordNut
FordNut
Reputation 1,340
#2 tennisshoes
tennisshoes
Reputation 970
#3 Tracy Hooks
Tracy Hooks
Reputation 720
View All

Related Models For Sale

Used Ford F-150
3,395 Great Deals out of 205,576 listings starting at $1,273
Used Chevrolet S-10
9 Great Deals out of 1,609 listings starting at $995
Used Ford Mustang
714 Great Deals out of 38,588 listings starting at $1,963

Used Cars For Sale

2011 Ford Ranger For Sale
66 Great Deals out of 1,249 listings starting at $3,000
2010 Ford Ranger For Sale
18 Great Deals out of 514 listings starting at $3,450
2009 Ford Ranger For Sale
18 Great Deals out of 392 listings starting at $4,250
2008 Ford Ranger For Sale
25 Great Deals out of 567 listings starting at $2,895
2007 Ford Ranger For Sale
22 Great Deals out of 368 listings starting at $1,995