Custom cam 224/228 expectations
Exhaust
1) QTP headers w/HFMC w/Stage 8 header bolts
2) Custom 3" Y w/ Random Tech CATS and Magnaflow merge collector
3) Exiting out Magnaflow catback
Internals
1) 224/228 114 LSA cam
2) Comp pushrods
3) Comp 921 dual coil springs w/ Titanium retainers
4) New seals/Gaskets all around
5) LS2 timing chain
Bolt-ons
1) LS6 oilpump
2) LS6 intake manifold
3) 85 mm MAF (if tuner likes it)
4) Poly motor mounts
Transmission
1) LS7 clutch
2) LS7 flywheel and pressurplate
* Car will be completely dyno tuned
Important mods on the car already
1) Bo White ported TB
2) Whisper Lid
3) K&N filter
I promise to update when I get the dyno sheet back from the tuner.
To keep me occupied until that time comes: What do you think she will put down to the wheels?
Supposidly the fuel economy will be close to what I get now, but not if I want to "test" out the new mods.
Tuner said to expect nothing better than 385 rwhp...
I've seen members on here get more than that though...
i cant help ya with your power figures though.. i dont have headers yet.
But the MPG increase would be nice as well. Just have to get over the foot syndrom...
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Powerwise, drivability, any experience you have with it.
i cant help ya with your power figures though.. i dont have headers yet.
Powerwise, drivability, any experience you have with it.
i like it.
car feels faster.
i was worried about drivablility since i daily drive her and lug it alot...
i can stick it in any gear and idle along, just like stock.. she'll still catch herself if i let the idle dip down to just below 500...
you can hear she has a cam with the open exhaust, but its a "hmmm, does it have a cam??" when the quiet exhaust is on.
i cannot comment much on the idle/drivability when the cam is just tossed in with zero tuning. after it was in, i drove it around the block.. i stalled her once when backing up, but it was more me trying to be quiet for the neighbors then anything else.
right afterward i flashed in a touch more base idle air, and i havent touched the idle since. if your tuner has any idle issues, you need a new tuner.. lol.
ive had it for a couple thousand miles now, and overall im very happy with it.. normally id have track times, but i have some mods i need to do before im allowed back at the track (convertible + no rollbar).. plus my clutch is now slipping whenever i bolt the slicks on... and she needs headers anyway... so im just holding back to do a bunch of mods at once.
Thanks for the responses guys, seems as though my research was right. Cam only should be able to make about 380-400 with the appropriate supporting mods. Hardest part now is just waiting...
First run ran a 374/345.
Leaned car out and got 386/356
Richened up a little for a solid 12.32 A/F ratio (to keep the CATS in check)
Final results were 376/350.
The run conditions were horrible. Had to drive 8 miles to the dyno. Soon relized the dyno was outside and we had 110 degree temps that day. So I consider it a solid 380 HP due to some considerations

I am having a problem with the QTP's hitting my K-member though so I have to get that worked out soon.
Let me know what you think.







