T O P I C R E V I E W
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84SVOrick
Member # 9039
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posted
Whats better for this setup?
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jaejae
Member # 7958
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posted
a diff cam...lol..kidding..i dont see going from 1.6's to 1.7s could have a bad effect?...unless you decide to run stock gt40 valve springs then yea keep the 1.6's...spend the money for the valve springs,,im running trickflow upgraded springs for gt40 heads..
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84SVOrick
Member # 9039
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posted
So u say keep the 1.6rr i got and just upgrade to trick flow springs?
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gercolla1
Member # 3068
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posted
sell the cam get a b303 install it 4degrees retarded with 1.6 that with the gt40s will walk on that e303 with the same heads
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SmokinLX
Member # 1684
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posted
If You hav'nt picked up the E cam then pick a different cam. If You already have it then use it, not bashing anyone with this cam I ran it back in the day Myself .
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84SVOrick
Member # 9039
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posted
I love my e cam lope and i got used to the powerband. If i decide to go a different cam wut do u guys suggest?
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jaejae
Member # 7958
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posted
quote: Originally posted by 84SVOrick: So u say keep the 1.6rr i got and just upgrade to trick flow springs?
naw im sayin going from 1.6's to 1.7's wouldnt hurt it..but its up to you if you wanna spend the $$ on the gain in power..but i would look towards a diff cam..im sure you will like the b cam..hella grunt..perfect for donuts..great low end
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copcar
Member # 10113
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posted
Advance to 106 cl and 1.7's on exhaust. Old Ecam trick
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84SVOrick
Member # 9039
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posted
quote: Originally posted by copcar: Advance to 106 cl and 1.7's on exhaust. Old Ecam trick
Wut???
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copcar
Member # 10113
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posted
+4*, As installed with degree wheel (ICL) 106 icl v. 110 (straight up) and 1.7's on the exhaust, 1.6's on the intake.
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Notch_notch
Member # 8902
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posted
what the different 0* to 4* 4degrees retarded....
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copcar
Member # 10113
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posted
0* would mean installing it straight up (110 cl). In my post I suggested installing at 106 cl (4* advanced). I would never install an Ecam retarded, but in short, retarding delays the valve events which increase top end horsepower and extend the rev range as well as smoothing out the torque curve. Advancing, on the other hand, increases cylinder pressure and gives more bottom end and mid range power, has a more peaky torque curve and falls off earlier in the rev range. Advancing and running 1.7's - as they pertain to the Ecam - brings the exhaust event in sooner (44*bbdc as opposed to 40*bbdc) and increases the ramp rate of the exhaust valve which is beneficial on GT40 heads (most sbf heads included) as they suffer poor exhaust flow charicteristics. As always, check PTV clearance.
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wilit
Member # 3367
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posted
quote: Originally posted by Notch_notch: what the different 0* to 4* 4degrees retarded....
Degreeing the cam changes the power band of the motor, either moving it up or down the RPM range. What copcar said is a pretty good explaination.
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