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

86,815

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

23,075

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 1,440
#2 tennisshoes
tennisshoes
Reputation 1,180
#3 Tracy Hooks
Tracy Hooks
Reputation 760
View All

Related Models For Sale

Used Ford F-150
2,700 Great Deals out of 212,349 listings starting at $1,000
Used Chevrolet S-10
10 Great Deals out of 1,656 listings starting at $2,450
Used Ford Mustang
363 Great Deals out of 44,490 listings starting at $1,000

Used Cars For Sale

2011 Ford Ranger For Sale
35 Great Deals out of 1,084 listings starting at $3,999
2010 Ford Ranger For Sale
16 Great Deals out of 476 listings starting at $3,450
2009 Ford Ranger For Sale
19 Great Deals out of 382 listings starting at $3,995
2008 Ford Ranger For Sale
25 Great Deals out of 507 listings starting at $2,995
2007 Ford Ranger For Sale
18 Great Deals out of 351 listings starting at $1,995