Boring and Stroker?

tehdwarvenn · November 15th, 2007, 10:59 PM

hey just a teenager.. so keep that in mind.

(means low budget and daily driver pssst)

got a stock 302, want to stroke it. got the money saved for just the 347 rotating assembly but its 302...

do i HAVE to go to 306? i really dont need the extra boring do i? (yes i know it would be a 342 instead of 347)

plus, i live in columbia SC, so do any of you know where i could get it bored out for pretty cheap around this area if i have to get it done? thanks.

P.S. planning on buying the Woody's 347 gt fighter kit, anyone have any other suggestions?

woody1 · November 15th, 2007, 11:37 PM

You need to know the finished size of the bore right now. I want you to run between .004-.005 piston to wall clearance. If you need to have the block honed another .001 to clean it up, you may or may not know if a 4 inch std bore piston will fall within my above guideline. The best option is to have it bored and honed with a torque plate to a final size of 4.032-4.033, since the probe pistons measure 4.028, this will leave you with the desired .004-.005 piston to wall clearance, on top of it you will need to notch the bottom of the cylinders so it will get a little messy grinding. Its not a big deal, take your time, ask me questions and I will get you squared away

White Thunder · November 16th, 2007, 12:56 AM

just keep on saving lil buddy and do it right...

TT86 · November 16th, 2007, 03:44 AM

Just a teenager... prolly means you don't have a lot of the bolt-ons??? If this is true.... do the bolt-ons first.... get a decent exhaust system, air filter, intake, brake-upgrade, suspension, transmission, then add some decent heads, cam, and a power adder. If that still isn't enough HP for you, then get the stroker...
I run 10's on street tires, and when some kid at the track asks if I have a stroker motor... I say I do.... honestly..... I have exactly 302 cubic inches.....

95StangMX · November 16th, 2007, 11:24 AM

that settles it I just watched your video I want twin turbos!!! Your car is sick...need some more/better videos to see her run....and thats more or better not more better....lol

tehdwarvenn · November 16th, 2007, 03:12 PM

i still need to know where i can get this done in COlumbia. i heard of a Nappa here? im not sure. anyone give me any more insight to this?

November 15th, 2007, 10:59 PM	#1
tehdwarvenn Regular Join Date: May 2007 Location: Columbia SC Posts: 301 iTrader: 0 reviews	Boring and Stroker? hey just a teenager.. so keep that in mind. (means low budget and daily driver pssst) got a stock 302, want to stroke it. got the money saved for just the 347 rotating assembly but its 302... do i HAVE to go to 306? i really dont need the extra boring do i? (yes i know it would be a 342 instead of 347) plus, i live in columbia SC, so do any of you know where i could get it bored out for pretty cheap around this area if i have to get it done? thanks. P.S. planning on buying the Woody's 347 gt fighter kit, anyone have any other suggestions?

November 16th, 2007, 03:44 AM	#4
TT86 Regular Join Date: Feb 2007 Posts: 248 iTrader: 0 reviews	Just a teenager... prolly means you don't have a lot of the bolt-ons??? If this is true.... do the bolt-ons first.... get a decent exhaust system, air filter, intake, brake-upgrade, suspension, transmission, then add some decent heads, cam, and a power adder. If that still isn't enough HP for you, then get the stroker... I run 10's on street tires, and when some kid at the track asks if I have a stroker motor... I say I do.... honestly..... I have exactly 302 cubic inches..... __________________ 69 convertible: 302/ DART heads/Z303 cam/Vic Jr./ 650 DP Tremec w/ 4:10s 86 hatch: 302/ Edel Al. heads/ F303 cam/ twin Garret T3 turbos 10 psi intercooled 52# injectors MegaSquirt II EMS http://www.youtube.com/watch?v=_urWMgS_IRQ

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November 15th, 2007, 11:37 PM	#2
woody1 Enthusiast Join Date: Nov 2006 Posts: 559 iTrader: 0 reviews	You need to know the finished size of the bore right now. I want you to run between .004-.005 piston to wall clearance. If you need to have the block honed another .001 to clean it up, you may or may not know if a 4 inch std bore piston will fall within my above guideline. The best option is to have it bored and honed with a torque plate to a final size of 4.032-4.033, since the probe pistons measure 4.028, this will leave you with the desired .004-.005 piston to wall clearance, on top of it you will need to notch the bottom of the cylinders so it will get a little messy grinding. Its not a big deal, take your time, ask me questions and I will get you squared away

November 16th, 2007, 11:24 AM	#5
95StangMX MM Fanatic 95 Mustang GT depends how many people are pushing Join Date: Oct 2007 Location: Playa del Carmen, Mexico Posts: 3,243 iTrader: 0 reviews	that settles it I just watched your video I want twin turbos!!! Your car is sick...need some more/better videos to see her run....and thats more or better not more better....lol

November 16th, 2007, 03:12 PM	#6
tehdwarvenn Regular Join Date: May 2007 Location: Columbia SC Posts: 301 iTrader: 0 reviews	i still need to know where i can get this done in COlumbia. i heard of a Nappa here? im not sure. anyone give me any more insight to this?

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