One running LQ4 with miles and heads. One LS6 camshaft [small camshaft, but GM claims HP out of it] and yellow springs. Eight flat #1 · Oct 2, After spending a very long time googling this, I've seen answers anywhere from CR to CR as it seems like people are calling lq9s (half a point high CR factory) lq4s and adding to the confusion. The engine is a lq4 with (71 or 72 cc stock) heads and rated at a CR. The / heads are 64 or 65 cc My original MAF had a defective intake air temp sensor in it and about k miles on it. hd LQ4, heads, 1 7/8 long-tube headers, BTR stage 2 v2 cam Advanced Tuner. Join Date. Mar Posts. Originally Posted by MrGuy. FINALLY got a chance to test this tune out. It seems pretty close, but still needs a little work, I think. Regardless, both the EGR and tune changes were definitely a great help. Is there anything alarming with this drive log? At one point GM went to flat tops in both the and the , if you dont have the year of the block you can check the crank part number. You might have the LM7 H/O.
Does this need more work? LQ4, 706 heads BTR v2 stage 2 truck …
S 21 to 24 of Thread: Injector Suggestions - LQ4, heads, // +0 cam. Thread Tools. # RDF1. Advanced Tuner. Open exhaust with o2 sensors will make them wig out. Change the cylinder volume to the correct setting for a engine size. Find a stock Primary VE table and paste that in there to give you a better starting point. Increase the idle at operating temp to something like rpm to make it simple Swap for / heads for smaller chamber. for my uses, i don't think the smaller runners and valve will impact my overall power all that much. flat tops, and the At one point GM went to flat tops in both the and the , if you dont have the year of the block you can check the crank part number. You might have the LM7 H/O. Stay away from heads, some of the early ones have a bad casting that cause them to crack and leak coolant My original MAF had a defective intake air temp sensor in it and about k miles on it. hd LQ4, heads, 1 7/8 long-tube headers, BTR stage 2 v2 cam (/ @, /, lsa) Well, I came across some injectors at a local junk yard and I think these will be a better fit for my combo The heads consistently improved the power output of the naturally aspirated L by 20 hp. But how would they compare under boost? To illustrate the For our mild, daily driven L, COMP Cams supplied an XRHR cam that offered a/ lift split, a /degree duration split and degree lsa. Equipped with the It was the casting, but I don't think there is a big difference in potential. It made good power for a pump gas street engine. Had /1 comp, // comp cam with" ish lift. sv intake, heads ported reasonably well with " " valves 50* seats, whitener carb
706 LS heads - how'd I do? - Don Terrill’s Speed-Talk
Injector Suggestions - LQ4, heads, // +0 cam. I'm looking for OEM drop-in injector suggestions (except pigtails/wiring) for a 06 HD 4x4 Injector Suggestions - LQ4, heads, // +0 cam. I'm looking for OEM drop-in injector suggestions (except pigtails/wiring) for a 06 HD 4x4 with an lq4, heads, long-tube headers, and BTR stage 2 v2 truck cam (// +0). I'm sure that my OEM injectors are now too small and this turd Open exhaust with o2 sensors will make them wig out. Change the cylinder volume to the correct setting for a engine size. Find a stock Primary VE table and In addition to displacement, the L was also blessed with improved cylinder head flow. Despite an increase in chamber size, the factory heads flow better than the smaller (and comparable) heads usually found on the L/L twins The heads consistently improved the power output of the naturally aspirated L by 20 hp. But how would they compare under boost? To illustrate the gains offered under boost, we set up the GM's Vortec heads are the cheapest and most effective heads you can use on your liter and liter, and even some liter LS engine builds. Bold What we had planned to test was a set of stock liter/liter heads (casting numbers , , or ) that offer a tiny 61cc chamber. Our Compression Advanced Tuner. Join Date. Mar Posts. Originally Posted by MrGuy. FINALLY got a chance to test this tune out. It seems pretty close, but still needs a