i am converting my 89 rs over to carb. i have a mallory distributor and coil , edelbrock 600 cfm carb, edelbrock performer intake, i am thinking bout SB-Chevy - Bracket Master II
638-00010LK Adv. Duration: 292°/292°
Gross Lift: .480''/.480''
RPM Range: 2000-6000
for the cam and hedman shorty headers and y pipe and a moroso spiral flow muffler. will i be able to pass emissions when i am done with all of this?

 

no, i've answered this before.

 

not even with the 305? lol maybe a milder cam?

 

this topic is a touchy one.. first off you have to know what the limt is for your car.... in 89 you house be able to put out 2.03 and pass but as for a 91 the limt is a 0.83 (just makeing up numbers not sure what they really are) so my point is this.... the older the car the more likely it is to be abot to pass if you go to a carb.... there are some tricks to help you pass.... some times they work some times they don't its very hard for a carb to pass emissions.... you best bet is to get your compression up to 10:1 get a 400cfm carb (just for emssions) lean the carb out (don't ruin the motor very long like that at all) put a 190º t-stat in the motor. make sure your cat is good and try that seafrom **** (i have heard alot of good things about it but now sure if it works for carbs)

again i'm not saying if you do all that it will pass emissions.... i'm just saying that it would help.

my buddy has a 86 monte carlo with the 350 ZZ4 bloack bored .030 over and it pushing about 400 HP with his carbed motor and it passes BUT he has a computer controled carb...


good luck