cas0484

Hello everyone, I'm new to the boards so please bear with me. I currently have a 1991 rs camaros and I just recently finished the 305-350 swap, while keeping the tbi. And all I can say is geez what a headache, not with the actual swap, but more with the results. The motor I got was from jasper,I'm not sure but I think it was a caprice motor so I'm assuming it's an lo5 however it very well could be an l98. However, it seems to really lack the power i was expecting. The motor itself is bone stock except for being bored .040 over. I switched the esc module as well as the knock sensor. I have the stock tbi with the vafpr and 65pph injectors. The motor seems to idle and run just fine except for a few problems. I recently have been throwing a code 43 which i think i fixed(i discovered that my base timing was retarted by 2 degrees so i bumped it up to 8 degrees advanced) I no longer get a code 43 and the motor seems to like the advanced timing. However the motor just doesnt seem that powerful, i mean its alot better than the lo3 but it still seems pretty slow. The best 0-60 i could pull off with my g-tech was 7.01 but i'm consistently running anywhere from 7.3 to 8.5. This just doesnt seem right. My friends stock 92 rs ran 8.3. Also, the car just doesnt pull hard above 35. I constantly get smoked by my friends 1995 non turbo 300zx. I know that the lo5 isnt very performance oriented but does this seem right? From looking at my mods should I be running faster? I'm going crazy trying to get the car to run right. Oh, by the way i have an automatic and stock rear end. What could be my problem? Any input would be appreciated. Oh, one more thing, I got the stock intake manifold too. And the computer chip is a generic caprice cop car chip from tbichips.com Could I possibly need chip tuning? Please help!

IROCaholic

From your 0-60 times i would say your running mid to low 15's. I ran a 14.8 with your mods on my Lo5 that I got out of a chevy truck the truck Lo5 had about 20 more hp and 30 ft lbs of tq so that makes sense, but yours is bored .40 over so it should be about even. Those times arent really bad, I think you should be running about a 14.9 or better or 0-60 in about 6.7 or so . I think chip tuning would have to be the way to go , maybe because your engine is bored .40 over its throwing off the computer. Well at least you got the hard part done. Good Luck man.