Contour Enthusiasts Group Archives Forums General Dyno and Drag Back to the Dyno

I spent last week hanging around Rockford Michigan with my car in Terry's shop. He installed my Quaife and MSDS headers (stock Y-pipe) so today I made a trip to the dyno to find out the news. The peak numbers aren't that great but below 5200 rpm there is a big difference in the numbers. I really think the stock y-pipe is killing the top end power but I won't know for sure until I change it out. I am going back to dyno again tomorrow to see if the Borla I installed tonight helps out. If someone could tell me how to post the graph I will try and get it scanned so everyone can see how it looks.

New Max power 178.5
Old Max power 174.9

New Max torque 155.5
Old Max torque 151.2

I'd say that max power is pretty impressive. I certainly wouldn't complain! Can't wait to see what Borla and a good ypipe does.

Msds y-pipe, Borla, and a Chip would do you wonders.

-Andy

The chip will probably help more than Msds y-pipe. I've got MSDS headers,y-pipe,Borla. Plus, KKM and 75mm Maf. My 98 e0 SVT is getting 179.3hp max and 156.7 max tq. I need to get custom chip to tune things up for these mods, but not bad considering I started with less hp than you guys with the later engines.

I went back to dyno again today since I put the Borla on and the power went up a little more today. I think the most impressive thing is that the torque curve is very flat, 150 lbs/ft plus from 4000 all the way to 6250. I will probably put some kind of Y-Pipe and then worry about a chip, but for now I can live with 181.2 hp and 156.2 tq.

Very good numbers but you NEED better breathing. One dyno demonstrated a 5HP gain just removing the plastic cover on the drop in K&N. May want to check the new SHO-Shop intake with K&N filter, adapter, and heat shield for $99. And the Y-pipe should help alot (stock is the worst part of the exhaust IMHO). With a A/F optimization via dyno tuned chip, MAF optimizer, or Apexi-SAFC you should easily crank out 190+FWHP.

I actually do have the filter housing off, the K&N is held on by two small bolts. I have a Y-Pipe on order now so I may head back to the dyno next week if I get the chance. I won't hold my breath hoping to get into the 190's but wouldn't it be nice!