| toyotajosh |
| k so what would the reprocussions be of taking this off my truck? aside from making it louder would it affect my gas guzzling abilities in a negative way? |
|
|
| Z-Fighter |
| You fuel economy may increase, since a stock cat is usually a huge restriction to exhaust flow. |
|
|
| toyotajosh |
| awesome then its coming off lol thanks for the help |
|
|
| SilverNeonRacer |
How old is the truck? I took the cat off my 87 fifth ave with a 318... no probs, exhaust smells like I'm running rich now.. but other than than no diff.. not even louder
But if it's newer and has an ecu or fuel injecton of some sort you may need to put a similator or something on were the O2 sensor is... |
|
|
| Z-Fighter |
You will need a simulator only if you have an O2 sensor after the cat. This will prevent it from throwing a code.
The O2 sensor that the ECU uses will definetly be before the cat. |
|
|
| Blackout-spec |
| just get a 02spacer, not a sim. that will be way cheaper. |
|
|
| toyotajosh |
| it for my 87 jimmy, same as a blazer. thanks for all the feedback guys. I was gonna get it done today but decided to paint instead which is good cuz I'm getting lots from you guys thanks alot. |
|
|
| littledan |
| please do not do that. the gains are minimal and its horrible for the environment. not to mention the stench that will be suffocating everybody stuck behind you in traffic. |
|
|
| B-TownRep |
| This thread is half dead, but just in case you didnt get the info you wanted, i did the same thing on my truck, 89 chev with a 350, and i gained a good bit of power throughout the RPM range, as well and 1 - 2 MPGs. It also sounds way better. The cats that old are so restrictive its ridiculous, and dont even work very well(for the guy talking about the environment on a high performance car forum:rolleyes: ). And AFAIK, there shouldnt even be a rear O2 on your cat, there wasnt on mine. Just one on the driver side mani. |
|
|
| toyotajosh |
| awesome thanks man |
|
|
|
