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#1 |
72 BB C30 Super LongHorn
![]() Join Date: Nov 2002
Location: Chavez Ravine
Posts: 1,606
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Another inquiry on these...I have been told that GM possibly made these with the weights to build in a curve on ECM HEI's? He said it was only for one year or possibly 2 years only, and may be in Camaros or something like that!
Anybody have any knowledge about this, and if so, where could I find one if it was manufactured? Thanx! ![]()
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72 BB C/30 Longhorn Super HO72 No-Spin, #'s matching, Tilt, Tach, AC, AM/FM HO72 build : http://67-72chevytrucks.com/vboard/s...d.php?t=714492 2017 SS ![]() Last edited by RPOZ11; 10-08-2005 at 04:29 PM. |
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#2 |
Registered User
Join Date: Dec 2003
Location: here
Posts: 5,789
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My '84 doesnt have an ECM. Are you sure that yours does?
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#3 |
72 BB C30 Super LongHorn
![]() Join Date: Nov 2002
Location: Chavez Ravine
Posts: 1,606
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Yes! Mine is a federal fleet order, with alot of std equipment missing!
It has the ECM ! No Smog on the passengers side manifold; only on 1 side!!!!!!
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72 BB C/30 Longhorn Super HO72 No-Spin, #'s matching, Tilt, Tach, AC, AM/FM HO72 build : http://67-72chevytrucks.com/vboard/s...d.php?t=714492 2017 SS ![]() Last edited by RPOZ11; 10-08-2005 at 10:00 PM. |
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#4 |
No No
Join Date: Jun 2005
Location: Pueblo Colorado
Posts: 1,781
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It doesent matter which weights you try to use the curve means nothing if the ECM is adjusting the advance. The only perf mod you can do is a spring kit to allow advance quicker. Sorry but you heard a load of
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1976 Custom Deluxe SWB Med FMB.3/4 Drop. Gen VI 454, Muncie HD 3 speed With Modified OE Hurst Shifter, 3.73 12 bolt, GMPP HO roller cam, Hooker headers, Performer intake with modified Q-jet, Accel distributor. Best 1/4 12.3 @108. Funnest run 19.84 @88 full 1/4 mile burn out. 1997 K1500 ext cab 5.7 stock except muffler Last edited by SSC's76; 10-09-2005 at 11:04 AM. |
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#5 | |
72 BB C30 Super LongHorn
![]() Join Date: Nov 2002
Location: Chavez Ravine
Posts: 1,606
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![]() Quote:
You know, I felt that way when he told me, and now you reaffirm what I felt again by your input here. I need to inquire thru California Referees to decide what is allowed....although I can drop in a non-ECM HEI and disconnect the system but ecm stuff is not my specialty! Thanx!!!
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72 BB C/30 Longhorn Super HO72 No-Spin, #'s matching, Tilt, Tach, AC, AM/FM HO72 build : http://67-72chevytrucks.com/vboard/s...d.php?t=714492 2017 SS ![]() |
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