Quote:
Originally posted by eatsgmcar
I have the E, I am happy with it,
the surging idle last about 7 seconds each time
when i start the engine and i can live with it.
the motor has never died on the street and...
I AM MORE THAN SURE THAT THE B IS WORTHLESS
FOR A POWER HUNGRY STANG RACER.
If the car die or the idle is always surging, look
somewhere else it is not the camshaft.
There is tons and tons of cam comparison in magazines
and on the net. Find the information and you ll realize
that it would be better to leave the stock stick at its place and get a set of 1.7 RR rather than change for the B.
Save money and your time!
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I'm glad you're so sure the B-303 is such a junk stick. The B-303 performs much the same as the E-303 on EFI cars from the midrange up. If you go to a carbed car you'll see the benefits of the B-303 in a big way. 88workcar has also had a B-303 in his car, and as I recall, he picked up just a little by going to the E-303.
I'd also like to know how leaving the stock cam in place, and adding 1.7:1 RR will outperform the B-303.
HO Cam w/1.7s (estmated @.050, and lift)
.472"/.472" 206*/206*@.050 266*/266* LSA 116 LCA 116.
B-303
.480"/.480" 224*/224*@.050 284*/284* LSA 112 LCA 109/119
The B-303 has a serious edge in higher rpm power due to increased duration, and a drop in LSA. It even manages more lift, and your valvetrain geometry stays better with the 1.6:1 rockers.
Your comment about cams not causing surging is incorrect as well. They WILL cause the stock computer problems if they don't generate enough vacuum or are inconsistant in vacuum production. The list of people who've had idle problems with the E-303 is about a mile long. I'd say your odds are about 1 in 3 you'll have problems with the E cam.
I'm not playing sides here people. I'm playing facts.