stroker 4.1

stage1 · 09-11-2006, 05:43 PM

What are the pros and cons of using a stroker crank in a 4.1 block

Nasty Wendy · 09-11-2006, 05:46 PM

You'll burn more fuel.

Ormand · 09-11-2006, 07:35 PM

Pros- more cubic inches, the bigger bore will help breathing by unshrouding the valves. More torque, less boost required to reach a given horsepower.
Cons- money, and the 4.1 block is not quite as strong as the 3.8 block. Probably should use a girdle, while you're at it.

Yullose · 09-11-2006, 07:47 PM

4.1 block +.035 and a 3.625" crank = 273 cubes....

09-11-2006, 05:43 PM	#1 (permalink)
stage1 Registered User Join Date: Jan 2003 Posts: 40	stroker 4.1 What are the pros and cons of using a stroker crank in a 4.1 block

09-11-2006, 05:46 PM	#2 (permalink)
Nasty Wendy Defender of the Universe Join Date: May 2001 Location: Waggaman, La. USA Posts: 10,340	You'll burn more fuel. __________________ The Turbobuicks.com FFL 2006 Champion DSR #3

09-11-2006, 07:35 PM	#3 (permalink)
Ormand Registered User Join Date: Nov 2001 Location: Raleigh, NC Posts: 2,098	Pros- more cubic inches, the bigger bore will help breathing by unshrouding the valves. More torque, less boost required to reach a given horsepower. Cons- money, and the 4.1 block is not quite as strong as the 3.8 block. Probably should use a girdle, while you're at it. __________________ George W-

09-11-2006, 07:47 PM	#4 (permalink)
Yullose Certified gun nut Join Date: May 2005 Location: Reading, PA Posts: 1,843	4.1 block +.035 and a 3.625" crank = 273 cubes.... __________________ Art Wittig / Reading, PA '87 GN... RJC girdled 109, +.020 Diamond pistons, K1 rods, Cat crank, T/A heads, Champion intake,plenum and fuel rails, 1.55 TA rockers, 70mm Accufab, 214/214-.548/.548 Comp hyd roller, Comp 26120 beehives, 70GTQ, 83lb injectors, A1000 pump, MagnaFuel regulator, 15gal aluminum cell, Razors Alky kit, GN1 FMIC, LS1 MAF & translator, TurboTweak 6.0 chip, Powerlogger, LM-1 Wideband O2, 3" THDP, ATR Pitbull exhaust, TH400 w/brake, 9.5" PTC, Dynotech 3.5" alum DS, Moser C-clip axles.

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