gt 40 heads what size inejector should be used

[mustang1313]

Hi I was wondering if some can telll me what perfect size injector should be used in my 89 mustng gt

89 mustang gt, 5.0
cold air intake to fender wall, mac shortey headers, high flow cats,mac exhaust, racing under pulleys, 3:55 gears, I about to put in my gt 40 heads with roller rockers

thanks
Darren

 

[R2D2]

24

 

[Grn92LX]

Stock is fine at that low powered level.

 

[Jaswir]

stock.... after a cam and different intake some people put 24's

 

[vikingpower]

yea, stick with the 19's until you get a intake&cam. Then go with 24's

 

[legalize420]

get a cam