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

Gaskets and Bearings

History

L82 Torque Specs

LG8 Torque Specs

Image	Name	Price
	OBD1.5 to OBD1 Swap Harness Adapter This harness swap adapter is made by 60inclusive.com, and is the best looking solution to "downgrading" to a programmable OBD1 computer in an OBD1.5 vehicle.  Based on the 1993-1995 3.4 Camaro/Firebird (1993 All, 1994-1995 Manual Only), this adapter plugs into a 1227727 or 1227730 ECM…	$375.00
	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.  Very little/no movement from the en…	$179.99 $159.99
	HPTuners VCM Suite HPTuner's VCM Suite will allow you to tune your OBD2 equipped vehicle, given that it is on the list of supported vehicles.  If you are not familiar with their setup, please check their site at http://www.hptuners.com/ There are 2 versions of the suite, Regular, and Pro.  With the Pro …	$499.00
	HPTuner Credits Credits are used to upgrade/add capabilities to your HPTuner's VCM Suite.  For more information, please check the HPTuner's Credit FAQ.	$49.99
	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… OUT OF STOCK	$229.99
	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 …	$229.99
	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
	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 1996-2005 3400 and 2000+ 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 gasket…	$79.99
	Small Port Intake Manifold Gasket Set For 94-99 3100 Only Vin M. TB gasket not pictured but is included. If you are installing large port manifolds onto your small port engine and cylinder heads, please select the large port manifold option to get the correct upper intake gaskets.	$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
	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…	$34.99
	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
	2.8/3.1/3100 MLS Head Gaskets MLS head gaskets are comprised of three layers of stainless steel. The outer layers are an embossed viton coated stainless steel providing a superior seal with excellent rebound characteristics (reusable!) and are corrosive resistant. MLS head gaskets reduce bore distortion and withstand extrem…	$149.99
	1994-1999 3100 Head Gasket Kit A complete gasket setup for installing heads on your 1994-1999 3100 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 Gaskets, The…	$199.99
	Completion Gasket Set This gasket set will complete a head gasket set to provide all gaskets and seals needed for a complete engine build.  For all 3100 and 3400 engines.  WOT-Tech replaces the black oil pump drive O ring with a high temp brown O ring.  …	$39.99
	Manley Steel Retainers and Keepers Set of 12 Manley LS retainers and keepers, made in the USA. 13% lighter than stock per valve and more consistant install height than Comp.  Manley shaved the top of the retainer to be flush with the keepers, which gives more clearance between the retainer and the rocker arm.  …	$89.99
	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
	Yellow LS6 Springs These  are new, stock LS6 springs.  Excellent for mild performance builds that don't have more than .510 lift on the cam.  These require LS1 seats and either 2.2 or 3.1 seals depending on the valve guide outside diameter.	$69.99
	PAC 1518 Valve Springs PAC originally made the 26918 Comp springs, and now offer these nitride coated premium valve springs for the LS motors.  Our 1.700" install height makes these extremely stiff for a stock head, and it is recommended to have the heads machined for a taller install height, at least 1.760"…	$169.99
	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 .600 lift on stock heads (.660 coil bind).   Sold in sets of 12. For comparison,  yellow LS6 springs are 124# @ 1.7 and 290# @ 1.3.  These Comp springs…	$149.99
	LS1 Valve Spring Seats .522" ID 1.171" OD, for use with all LS based valve springs such as the yellow stock LS6 springs and the Comp 26915.  1999 and older 3100 engines should already have the guides machined to accept this size seat.  If your vehicle calls for the Felpro SS72851 valve stem seal s…	$25.00
	Valve Stem Seals for LS1 Seats For valve springs that require the LS1 seats to be use, a non stock valve stem seal is required.  There are 2 versions available, for .520" and .553" OD valve guides.  .520" use the orange seal stock while the .553" use a blue seal stock.  Generally all 3400 a…	$24.99
	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…	$139.99
	Manley Race Valves Manley is well known for their consistancy in valvetrain components, along with exceptional quality.  These Race Flo and Race Master valves for the 3100*, 3400, and 3500 engine are a perfect example of what stainless steel valves should look like and perform.  Stainless Steel XH-426…	$249.99
	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…	$179.99
	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.  Optional TCE LS internal lifter springs for use with stiffer valve springs/performance cam for improved idle vacuum.	$149.99
	TCE LS Lifter Springs Based on the LS engine lifter internal springs and are meant to help with higher RPM stability when using stiffer valve springs in applications running a performance cam.  Checkball spring is twice as strong compared to stock, and the piston spring is 60% stiffer.   …	$29.99
	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
	Timing Chain Guide This is a new cloyes timing chain guide, which is recommended with all new timing chain installations.	$13.99
	Adjustable Pushrod 5.700-6.250" range adjustable pushrod to determine the correct pushrod lengths for optimal preload.	$18.99
	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 and Comp camshafts, the proper preload on the hydraulic lifter is important for the best performance from the cam. The 60V6 is fortunat…	$139.99
	Forged 3100 Pistons Diamond forged pistons are known for their quality in the racing world, and now they are available for the 60V6 engines.  These skirt coated, full floating forged pistons are made from 2618 alloy, for less thermal expansion compared to traditional forgings.  Traditional forgings need …	$574.99
	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
	ARP Oil Pan Side Bolts The cast aluminum oil pan on 1994 and newer 60V6 engines was designed to improve the integrity of the bottom end.  These ARP bolts are the best fastener available for this function, and complement the ARP main studs and rod bolts for a complete ARP fastened bottom end.	$14.99
	Main Stud Kit Strengthen your bottom end with this 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 …	$99.99
	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
	Wide Cam Bearings These SBC cam bearings are a direct replacement, and will spread the load across the entire cam journal, unlike the stock bearings.  Bi metal to support the roller cam profile and  the load of higher spring pressure associated with performance cams.  Regular SBC cam bearings are …	$31.99
	Teflon Coated Wide Cam Bearings These teflon coated SBC cam bearings are a direct replacement, and will spread the load across the entire cam journal, unlike the stock bearings.  Bi metal to support the roller cam profile and  the load of higher spring pressure associated with performance cams.  Regular SBC&nbs…	$54.99
	Tri Metal Rod Bearings Tri Metal bearings offer increased strength for high output/high compression engines.  Available in standard and .010" over for cranks that need to be turned.	$23.99
	Tri Metal Main Bearings Tri Metal bearings offer increased strength for high output/high compression engines.  Available in standard and .010" over for cranks that need to be turned.	$34.99
	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