3100

The 3100 has gone through a few modifications from the factory since its introduction to the GM 60 Degree V6 line up.  The following article should be read by anyone with a 1994-1999 3100.  Differences between 94-99 and 00-05. 

Cylinder Heads

Performance Intake Manifolds

Performance Camshafts

Pistons/Rings

History

L82 Torque Specs

LG8 Torque Specs

Image	Name	Price
	1999+ N body Billet Mount The stock mount found on 1999 and newer N body cars (grand am, alero, malibu) was designed for comfort.  This WOT-Tech billet engine mount is a drop in solution, designed for performance using Energy Suspension polyurethane bushings and billet aluminum.  The stock top and bottom plate are&… OUT OF STOCK	$179.99
	56mm Throttle Body The stock 3100 Throttle body is 52mm.  Stock 3400 s 56mm.  While this seems like a small difference, it will equal a very noticable difference once installed on a 3100 engine.  Sold as a bare throttle body with plate, so you will need to swap your stock sensors to the new throttle bod…	$44.99
	65mm Billet Throttle Body The throttle body is the first restriction to your intake manifold, and these billet throttle bodies look good while creating the best drivability and performance possible. 65mm has been the benchmark for 3400 engines, and works equally well on the LG8 3100 engines as well.  The round opening m…	$239.89
	62mm Billet Throttle Body The throttle body is the first restriction to your intake manifold, and these billet throttle bodies look good while creating the best drivability and performance possible. 62mm is great for most 3100 owners who want perfect drivability with performance.  The round opening makes it easier …	$229.89
	3500 Plenum TB Adapter This adapter converts the 4 bolt 3500 throttle body setup to the standard 3100/3400 2 bolt pattern. Can be used without the O ring and with a paper gasket instead if you wish to use a 52 or 56mm stock unit with a 3500. …	$54.99
	LX5 65mm TB Adapter While not as simple to use as our billet option, 60 Degree Inclusive has designed an adapter to use the 65mm TB found on the Oldsmobile 3.5 DOHC. Bolting it to the manifold (3100, 3400 or 3500, both bolt patterns and sets of bolts are included) is no problem, but attaching the throttle cable bracket… OUT OF STOCK	$49.99
	3900 TB adapter This adapter allows you to use a cable driven 5.3 or northstar throttle body on your 3900 instead of the fly by wire setup.  Includes the O ring (no gasket needed between the adapter and the plenum) and 4 SS bolts to attach the adapter to the plenum.  Requires modification to the IAC passa…	$59.99
	Large Port Intake Manifold Gasket Set For all 3400 and 2000 and newer 3100 engines only. Everything you need for installing our ported manifolds, or upgrading the factory lower intake manifold gaskets.  Factory came with plastic gaskets, that are prone to leaking.  We only use the 3rd revision full metal lower intake gaskets.…	$79.99
	Small Port Intake Manifold Gasket Set For 94-99 3100 Only Vin M. TB gasket not pictured but is included.	$89.99
	L67 Injector Rail Brackets Using L67 injectors in your gen 3 60V6?  These stainless rail brackets adjust for the height difference. The second picture shows the difference between these brackets (top) and the stock bracket (bottom).  You cannot bolt a 3800 fuel rail to a 60V6 and these brackets will not help you.…	$37.99
	90-95 EGR to 2000+ Manifold Adapter  Converts 2000+ OBD2 EGR ports to the OBD1 style digital EGR.  This will not work with the vacuum egr.  Hex head size for the screws are metric 6 and include lock washers. Other parts needed 95 3100 EGR Upper Gasket - 70054 Felpro number 96 3100 EGR Lower Gasket - 702341 …	$54.99
	2000+ Stainless EGR Delete Kit For off road use only!  You will need to disable the EGR in the ECM to eliminate the SES light.  Includes TCE stainless steel plug for the EGR tube on the exhaust manifold, stainless laser cut plate to cover EGR port on the intake manifold, EGR gasket, and 2 stainless bolts to install the …	$31.99
	2000+ Aluminum EGR Delete Kit For off road use only!  You will need to disable the EGR in the ECM to eliminate the SES light.  Includes a stainless plug for the EGR tube on the exhaust manifold, a cnc milled and engraved aluminum plate to cover EGR port on the intake manifold, and the gasket/steel bolts to in…	$24.99
	90-95 EGR to 96-99 Manifold Adapter Swapping a 96-99 top end, or complete motor into a vehicle equipped with the digital EGR from 90-95 requires an adapter to pass emissions. This adapter is CNC cut from 3/8" thick aluminum, and comes with the bolts you will need to install the EGR.  LA1 3400 LG8 3100 GM 60 Degree V6 …	$44.99
	96-99 EGR Delete This plate replaces your EGR valve, and comes with the gasket as well.	$14.99
	Adjustable Fuel Pressure Regulator TCE adjustable fuel pressure regulator.  Comes fully assembled with a new regulator base (not used!).	$134.99
	AN-6 fittings for 3X00 fuel rails These  AN-6 male end fittings are made from aluminum and then anodized red to protect the finish.  These fittingsw= will allow you to use a remote FPR and braided hoses.  Price is for the fittings only, no hoses or fuel pressure regulator. These pictures of of the now disco…	$41.99
	3500 Swap FPR Bracket          When doing the 3500 top end swap, or a complete 3500 swap into an older vehicle, the 3x00 fuel rail can be used with this bracket to keep your stock fuel system.  The 3500 fuel rail is a returnless setup, unlike the older systems that use a return line… OUT OF STOCK	$29.99
	3100 Header Flanges 3/8" thick mild steel header flanges for the D shaped 3100 heads.  For use with 1 5/8 primary tubes.  Tube shaping tool, gaskets, and ARP stainless header bolts are also available.	$49.99
	3100 Header Gaskets These high temp gaskets are designed for the TCE 3100 header flanges.	$23.99
	3100 Header Flange Primary Tool This tool was designed by TCE to shape a 1 5/8 tube to their D shaped flanges, and allows a perfect fit every time before welding.  Works with either a press or a vice.	$49.99
	ARP Header Studs Headers can represent a sizable investment, so you'll want to keep them securely attached. In addition, exhaust leaks can cost you power and even cause damage to your vehicle. ARP has the answer, in the form of their stainless steel header studs. They're made from premium 300 stainless steel…	$94.99
	3400 Head Install Kit A complete gasket setup for installing heads on your 2000 and newer 3100 or 96-05 3400 engine Kit includes Felpro - 2 Heavy Duty Head Gaskets, Metal Lower Intake Gaskets (latest revision), Upper Intake Gaskets, Valve Cover Gaskets, Exhaust Manifold Gaskets, Throttlebody Gasket, EGR Gasket…	$189.99
	Comp Valve Locks and Retainers No weight difference between these comp locks/retainers and stockers, however, the quality difference is obvious just by looking at them.  Stock is not perfectly round and in contact around the valves, unlike the comp versions that are precise all around.  I would recommend these for …	$89.99
	Comp Valve Locks and Titanium Retainers These are exactly the same as the steel Comp Cams retainers and keepers found here, except with 44% lighter titanium retainers.  These are the best retainer Comp has to offer for those looking to push their engine's limits.  Excellent for higher RPM use and/or higher ramp up rates now …	$235.99
	Comp 26915 Valve Springs These Comp springs are designed for the LS1, and as such require the LS style seats and different seals to fit the 60V6 pushrod motors.  These springs offer .500 max lift and a spring pressure of 136# @ 1.700" and 262# @ 1.300.	$134.99
	Comp 26918 Valve Springs These springs are very stiff and should only be used on an extreme build.  Recommeded for .550 max lift, these springs also require LS style spring seats as the stock seat/seal of the 3100, 3400, and 3500 will not work.  161# @ 1.700" and 287# @ 1.300".	$144.99
	Yellow LS6 Springs There are new, stock LS6 springs, good to .500-.510 lift max on stock heads and have more seat and open pressure to support higher RPM on stock cams and cams like our stage 1 NA cam or stage 1 and 3 Turbo cam.  Not compatible with the stock seat/seal setup for the 3100, 3400, or 3500 and requir…	$69.99
	Comp Cams 26986 Valve Springs Rated at 122# @ 1.750 and 283# @ 1.175, coil bind 1.040.   Stock seat/seal will work and coil bind allows a safe .550 lift on stock heads (.660 coil bind).   Sold in sets of 12. For comparison, Stock LS1/LS6 (new LS6) springs are 105# @ 1.7 and 240# @ 1.3.  The yellow …	$184.99
	3500 V6 Valves (LX9) Stock replacement valves for the 3500 engine. 1.76" intake and 1.42" exhaust, like all 3400 and 3500 motors, and the 2000 and newer 3100.  2.8/3.1 and early 3100 (small port) owners can upgrade to the larger intake size once a valve job has been performed.  This valve set offers…	$140.00
	Head Bolts Stock head bolts are a torque to yield design, which means they stretch when they are installed to their specified torque rating (For example, the 3400 is 44 lb ft + 95°).  Once the bolt has been used, it should not be used again.  Please put the vehicle in the addition…	$29.99
	ARP Head Stud Kit This kit has been tested on a the 3100, 3400, and 3500 cylinder heads using the stock roller rocker arms.  Includes 8 long studs, 8 short studs, 16 washers, and 16 12 point nuts. Recommened ARP moly lube is included.  Studs should be installed hand tight and the nuts torqued down 71 foot p…	$189.99
	Stock cast 3100/3400/3500 Camshaft Same specs as stock, only a single piece design vs the stock press on lobe setup.  Ideal for regrinds. This cam uses the 94-99 cam sensor which is compatible with all styles of sensor used in these motors. If you are looking for a performance ground camshaft, please check the Performance Camsh…	$199.99
	Roller Lifter Set Set of 12 stock replacement roller lifters for 3400 engines.	$139.99
	Double Roller Timing Chain Double Roller timing chain for roller cams (3100 3400 and 3500 engines).  Made by TCE from billet steel, induction hardened and matched with the cloyes timing chain.  Sold as a set with chain.  Adjustable +6, +3, 0, -3, -6 degrees cam timing. These are not a drop in deal, and require…	$234.99
	Custom Length Pushrods Custom length pushrods are the correct length for our performance cams, and stiffer than the stock pushrod. While some have ran stock pushrods on reground camshafts, the proper preload on the hydraulic lifter is important for the best performance from the cam. The 60V6 is fortunate to have short pus…	$134.99
	Bronze Distributor/Oil pump drive gear If you are using a billet steel camshaft, the manufacturer will recommend the use of a bronze or polymer gear.   This gear comes assembled for distributorless ignition 60V6 motors.  The assembly is stripped, cleaned, and reinstalled.  A new brown High Temp O ring is installed for…	$129.99
	ARP Rod Bolts/nuts ARP rod bolts/nuts designed for the 2.8 60V6 but will work with 2.8, 3.1, 3.4, 3100, 3400, and 3.4 DOHC rods.  These make a great addition to any engine build up (though overkill for a bone stock rebuild).  Here is the description as ARP puts it. A premium grade 8740 alloy chrome moly ste…	$59.99
	Main Stud Kit Strengthen your bottom end with they high quality parts from ARP.  Kit includes washers, studs, nuts, and ARP moly lube (not pictured).  Long enough for use with a windage tray.  Windage Tray holes will need to be opened up to fit the stud.  You will need to have your mains line …	$109.99
	Crank Scraper Ishihara-Johnson crank scrapers are a very simple but effective way to improve the performance of your engine! During normal engine operation a significant amount of oil adheres to or becomes entrained in a cloud surrounding the spinning bottom end. This oil eats up horsepower your engine is making…	$57.99
	Teflon Crank Scraper Made by the same company that makes our other crank scrapers, these are the best available for your 3100 or 3400.  A rough cut piece of teflon is sandwiched between 2 carbon steel plates.  The teflon is then cut close to the crank for an interference cut after you install it to your m…	$149.99
	ARP Crank Damper Bolt As the crankshaft flexes, the damper absorbs incredible amounts of energy. This damper bolt kit from ARP will ensure that your balancer is locked into position. They feature a 1/4 in. thick wide-area washer and an extra tall 12-point head that accepts a deep socket to eliminate the fear of stri…	$24.99
	ARP Flywheel Bolts These premium-grade Pro series flexplate bolts from ARP are far superior to OEM hardware. These bolts are forged from aerospace alloy and heat-treated prior to thread rolling and machining. They feature an exclusive, flat 12-point head design and a larger-than-stock shank diameter for increased stre…	$37.99