Miss, well it feels like

[Hugger]

I bought a GA with 3400 in it a few months ago with blown head gaskets, i did a 3500 top swap and now im having driveability problems. I have good compression and the timing is in the correct order, but i think it might be in the fuel system. I can rev the car up to about 3500-4k rpm and that is as high as it goes. The intake sounds really loud when this happens. So, should I ohm the injectors? noid the connectors? anyone else run into this problem by chance? any help is appreciated

[95SleeperAcheiva]

temporarily open your exhaust. Either drop the front pipe off the manifold or cut a slit in it with a saws all if you have a mig welder to weld the cut afterwards. Then start it a see if she'll rev past.

Oh before that, not to call you on this but, it's not the rev limiter is it? :P

I suspect a clogged exhaust.

Unless you have an exhaust pressure gauge, they usually screw in where an 02 sensor goes, should be 2-5 lbs.

[95SleeperAcheiva]

oh, IF it is a clogged converter, something clogged it. After the converter repair check for bad coolant temp sensor, thermostat stuck open, bad MAP/MAF, etc and change your plugs, again, they maybe fouled.

run her a bit, pull a plug and read it. if it's black, your rich. now find out why or you will eat the new converter.

[bszopi]

Oh before that, not to call you on this but, it's not the rev limiter is it

That was my first thought as well... are you trying to rev is higher than that in park? If so, its not going to happen.

Brad via Tapatalk