Love the goonies. Jamest That being said (and ignored), you can get away with running boost for a loooong time if you are careful and take the necessary precautions. 1991 Supra. of torque. A set of Forged Pistons should be high on your priority list. The only changes from the stock engine are a boosted fuel pump and bigger injectors. Callies Ultra connecting rods are produced from extremely clean TimkenSteel product, that is formulated to our exact specifications. If you’re getting forged pistons, upgrade to Forged Connecting Rods at the same time. The stock rods will handle about 700 hp. Also can the stock top end handle that kind of power. 10psi will get you about 125-140 more hp. These include the I/C, fuel system (injs, pump, FPR, etc), ignition control (absolutely critical that you have a way to retard timing as boost increases), and the quality of the fuel you use. and 7,000 rpm (for a limited time). Going as high as 0.630 in. For most street applications and engines in the 4.8-6.0-liter size range, the 7675-7875 turbos work very well. Can anyone recommend a good crank, rods, pistons that can handle some serious boost. How much boost can a stock LQ4 handle? A set of forged pistons should be high on your priority list. once you've got it, you soon want more, right? The main reason for going with a stroker forged crank is for the added cubic inches. A stock crank will hold 1000 rwhp with no problem. However, if you plan on using boost or nitrous, get Forged Connecting Rods. and was pushing 750 plus hp on the dyno with over 6# of boost on a 8-71. BTW a bad tune can and will distroy rods or a crank. From there, we usually go up to the T6 S400 chassis for single-turbo applications. Depending on how much boost i run im looking to be in the 5-600 hp range. How much that is depends on how efficient your add-ons are. It had 10.5:1 compression ratio running 16-17 psi and 18 degrees of timing. For LT1/4 motors, the safest amount of boost I would recommend (turbo or S/C) is 6psi maximum. It's hard to get high numbers without a power adder, so just tune it to avoid detonation. This is plenty of power for most people. A couple notes of caution: Does the 5.7 Hemi have forged internals? As you can see in the video, as the nitrous comes on, a visible puff of something come out from under the hood—this was the second kit blowing loose. forged EVERYTHING. I really don't want to mess up the internals. and intake ported by Lloyd Elliot (famous for his expertise on LTx heads, there is NOBODY better! i'm for sure going to put forged internals in, just wanted to make sure the block itself could handle the power. Cast and hypereutectic pistons can be used but should be limited to lower horsepower (approx 450-500 hp) applications. See all 14 photos Bolting on the right intake manifold can make or break your 5.4L Four-Valve combination. SX #18201, B.G. thanks guys, i got the same answer on two different forums. i guess my decision is no on the stock crank. thanks for the info. jamest if you plan to stick with 8psi, you'll be fine with what's already in your hands. Higher octane will allow you to make more power safely. Forged pistons are a smart upgrade. (The LS9 came with forged pistons from the factory.) Due to extremely high cylinder pressure, the heads can start to lift around 1,000 hp. At that point, you will need to basically build a whole new engine. The following upgrades will be required. Is the LS1 or LS2 better? is enough for you then you can just drive it and enjoy it. for a little over 15k miles so far and zero issues. Using a Dynojet 248C, I'm at 500 rwhp but at 600 rwtq. 800 horsepower will require between 11- and 15-pounds of boost depending upon your combination, which undoubtedly begins to stress some – if not most – of the engine’s internal components. If i remember correctly they are pretty strong. I think the better question is how much hp are you trying to get? It could hold depending on what y... Im willing to bet that the TRD supercharger can get about 40-60 more hp just with a better tune on a dyno with everything left stock. How much boost can a LS2 block handle? The 6.4 can take 6lbs of boost safely and will make 530-540 at the wheels (that's 600 at the crank) and if that. Instead of increasing the boost, Matt decided to see what the spray would gain him on his next run—this time with both kits turned on. Equipped with the BTR stage 2 turbo cam, the naturally aspirated 4.8L produced 409 hp at 6,600 rpm and 367 lb-ft … Diversity and … The stock cast pistons can hold about 7-9 psi on a really conservative tune. A 2v 4.6 is about 400 whp, a 3v 4.6 is about 450 whp (had friend pop his on a 150 making that). and 6,500 rpm in boosted applications. This Wiseco/K1 Combo Deal includes a forged Wiseco Piston & Ring Set (your choice of volume and bore size) and a K1 Technologies H-Beam Connecting Rod Set (Part #012AE25613) with ARP2000 Hardware at a price MUCH lower than you'd be paying for them separately!

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