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Re: 58x ECM Conversion (E37 ECM, 58x crank, 4x cam, electronic throttle) All GM Gen IV ECMs require a TCM (Transmission Control Module) for electronic transmission control. The 4L60E uses a T42 TCM. A TCM must communicate with a compatible ECM through the CAN bus. GM TCMs are not stand alone...

Re: 58x ECM Conversion (E37 ECM, 58x crank, 4x cam, electronic throttle) Not yet. Several projects in the way.

Re: 58x ECM Conversion (E37 ECM, 58x crank, 4x cam, electronic throttle) Does BS3 support Gen IV LS-type 58x crank and 4x cam signals for V6 engine operation? (because I don't know)

Re: 58x ECM Conversion (E37 ECM, 58x crank, 4x cam, electronic throttle) Agreed. If there were a Syclone/Typhoon market for these throttle bodies, it would make good sense. I don't think there will be much of a market. This has the possibility of being no more than a one-off engine due to the...

Re: 58x ECM Conversion (E37 ECM, 58x crank, 4x cam, electronic throttle) You could have. We have a 3x crank reluctor solution for installing the 2007-up engines in 1996-up Vortec engines. The 1996-up 3x reluctor is about 4 inches in diameter. The 2007-up reluctor is more than 5 inches in...

Re: 58x ECM Conversion (E37 ECM, 58x crank, 4x cam, electronic throttle) The timing cover pictured is a modified timing cover. The sensor you see is camshaft sensor and a boss we machined and attached to get a camshaft signal from the face of the camshaft timing sprocket. The crank sensor...

Re: 58x ECM Conversion (E37 ECM, 58x crank, 4x cam, electronic throttle) I've not yet had my hands on a 2007-up 4.3L V6, but I do have some of the parts in the shop. The timing chain looks like it belongs on a bicycle and not an engine. I am curious to know if the 2007-up cylinder heads are...

Re: 58x ECM Conversion (E37 ECM, 58x crank, 4x cam, electronic throttle) A 4L60E or 4L80E would be required. Again...this is an expensive upgrade.

Hi Guys, I've posted previously about our intentions for a GM fuel management system upgrade for these engines, but this new thread is going to be specific to the 2007-up E37 ECM. About the E37 ECM Introduced with the 4.3L engine in the 2007 Silverado. This engine uses wasted spark and...

Re: injector wiring harness We make them http://www.eficonnection.com/eficonnection/ItemDetails.aspx?ItemId=1182

Re: Help with fuel injector selection Thanks for the Racetronix link. So one injector is $45.00, but a set of six is $330.00? The markup is $60.00 for a flow matched set? That's a bit much to ask for a flow matched set. No?

450-500hp engine build. Using SyTy intake manifold and fuel rails. Adjustable regulator. What injectors do you guys recommend and who sells them? Thanks!

Re: Brand New Comp Cams Camshaft Sold

Re: Brand New Comp Cams Camshaft Sold...pending payment within 24 hours.

Brand new Comp Cams camshaft pulled 12/26/12 from a 4.3L SyTy engine build by TPIS (December 2012). 210/215 @ 0.050 112lsa 4 degrees advance 500 lift flat nose I pulled this cam only because my build requires a step nose cam for a prototype camshaft sprocket we are working on for 4.3L/SBC/LT1...

After reading information on the forum about Vortec heads, rocker arm studs, rocker arms, and valve covers, I'm finding conflicting information. I'm working with Vortec heads that will accept M10x1.5 studs. I need studs. What should I use? How about the ARP studs...

Re: Upgraded Camshaft - Flat Nose and Step Nose The cam currently installed (and will be removed) is... 210/215 @ 50 112lsa 4 degrees 500 lift Anyone interested in buying this cam? I can offer the double row timing set with it.

Re: Upgraded Camshaft - Flat Nose and Step Nose I'm getting through this... The engine builder chose a cam that was not offered in a step nose. I called Comp Cams and will order a different cam today.

Hi Guys, We just received our 1992 Typhoon engine back from TPIS. I was surprised to see the early style camshaft and timing set. TPIS was unable to idenfity a late (step nose) camshaft for this engines. It seem there are no step nose 4.3L cores for making a custom grind. For what we are...

Re: Help with turbo selection for new engine build 450 or so