On the compression ratio 9:1 is good 8.5:1 is better. If your rods and pistons are forged, get a forged crank. this is my 1986 swb pickup with a 2006 8100 engine and allison 6 speed tranny, its turbocharged with a 66mm garett turbo that is rear mounted. Used all new ARP stainless header bolts but and trying to reuse. Used plugs ACF-41-993 gapped at about 47 and ceramic plug wires ACC-9065C. Got passenger side installed and new plugs and wires done on that side. Finally recieved my stainless works headers and paid the extra for the ceramic coating. 18 Replies 10 Participants Last post: im84 Re: 8.1 tips and tricks? Jan 23 2013, 1:27pm. or sign up with email About this Discussion. 1Ĩ.1 vortec,OEM Rocks,54 Claws,143WB,4seats,is it big and heavy,yes,do I care, no R.I.P. like pipes turning rusty that are coated (they will replace them) and wastegate lines freezing in the winter. I know that they have some problems though. people have made some very nice numbers with their kit.
the STS kit is catching on more and more.
8.1 VORTEC MPG 2500HD MANUAL
Is it possible to program for manual transmission and still keep the original Cal ID? ( Dan Green, 3,220 Posts. I want to lose the VATS and keep the emissions. Replies continue below Hello, I'm doing an 8.1 vortec swap that will be mated to a TH400. Also I would appreciate any data on the mechanical efficency of this engine. I am looking for an engine integrator that can supply GM 8.1 engine with turbo. msantiago (Electrical) (OP) 3 Oct 09 08:08. Information on GM Vortec 8.1 turbo engine. It shares the same coil per plug design as the LSx and uses the same LS1 computer as just about all early LSx vehicles (including 5.3/6.0 trucks for those who want to swap) MVPs. What is a 496 / 8.1L / Vortec 8100? The 8.1L is a big block with poorly designed LSx style cathedral port heads and metric fasteners. GM 8.1L Vortec L18 V-8 Specs and Informatio This is what allows it to tow much better. The Vortec 8.1 was designed for maximum torque at a very low RPM. A 6.0 LS would make an excellent engine for a high horsepower street car, but not a truck that tows stuff a lot. Although we love LS engines, they aren't exactly built for the same purpose as the Vortec 8.1. Obviously not an engine problem but potentially one of the most disliked aspects of the 8.1 engine is the gas mileage! With city driving, you can expect single digit numbers from 7-9mpg and highway will usually range from 12-14mi This intake modification will increase airflow to your engine, still retain stock looks and passes emissions For trucks not requiring maximum high-RPM airflow, we can modify your stock 496 / 8.1 liter intake manifold. Vortec 8.1L Intake Manifold Modification 80mm Intake Manifold Modification - $950 90mm Intake Manifold Modification - $1350.
Although this large displacement engine produces considerable horsepower and torque, it was retired in favor of a more economical engine platform The GM 8.1L was introduced in 2001 and used in various heavy duty applications, including Chevrolet Silverado and GMC Sierra 2500/3500HD pickups, through the 2006 model year.
Vortec 8100 / 8.1L 496cid Pistons The stock Vortec 8.1L cast pistons are not designed to withstand the forces of extreme endurance use, especially in supercharged applications.Home 8.1 Vortec turbo Vortec 8100 8.1L 2.9L Supercharger - 496cid Forced.