JCW stock tune
#1
JCW stock tune
I took my new to me R52 fJCW for a couple of dyno pulls. On a dynojet, hot Florida day, medium humidity, it put down a very respectable 183. The hp and TQ curves were very flat.
But about 4000 rpm, the car goes pig rich (down to 10.5 AFR at redline). After tuning back to the high 12's, is it reasonable to expect to see about 200 hp at the wheels? Will I need a retune if I get an underdrive (17%) pulley from one of the board vendors?
Thx.
Regards
Jerry
But about 4000 rpm, the car goes pig rich (down to 10.5 AFR at redline). After tuning back to the high 12's, is it reasonable to expect to see about 200 hp at the wheels? Will I need a retune if I get an underdrive (17%) pulley from one of the board vendors?
Thx.
Regards
Jerry
#2
#3
I thought fJCW was shorthand for Factory JCW in the 1st gen cars. Mine is a factory JCW Sidewalk.
Yes, 380cc's. Trying to get it running right before I make it run better.
Regards,
Jerry
#4
R52 jcw
I took my new to me R52 fJCW for a couple of dyno pulls. On a dynojet, hot Florida day, medium humidity, it put down a very respectable 183. The hp and TQ curves were very flat.
But about 4000 rpm, the car goes pig rich (down to 10.5 AFR at redline). After tuning back to the high 12's, is it reasonable to expect to see about 200 hp at the wheels? Will I need a retune if I get an underdrive (17%) pulley from one of the board vendors?
Thx.
Regards
Jerry
But about 4000 rpm, the car goes pig rich (down to 10.5 AFR at redline). After tuning back to the high 12's, is it reasonable to expect to see about 200 hp at the wheels? Will I need a retune if I get an underdrive (17%) pulley from one of the board vendors?
Thx.
Regards
Jerry
Hi Jerry!
Here are a couple of background articles that may help in the tuning process!
http://new.minimania.com/Search_Results/tune/Articles
Drive Hard. Drive Safe. Keep Grinning.
#5
Hi Jerry!
Here are a couple of background articles that may help in the tuning process!
http://new.minimania.com/Search_Results/tune/Articles
Drive Hard. Drive Safe. Keep Grinning.
Here are a couple of background articles that may help in the tuning process!
http://new.minimania.com/Search_Results/tune/Articles
Drive Hard. Drive Safe. Keep Grinning.
Thanks!!
Regards,
Jerry
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