engine displacement

skryb · September 2nd, 2006, 01:22 PM

so she's 3.8L

with new crankshaft and pistons what can I reasonably change that to? i was thinking 4.0 or 4.2 tops? anything else i should be conscious of when changing the stroke?

also, can anyone provide the math as to how this will affect horsepower and fuel consumption?

cheers.

Roadhawg · September 2nd, 2006, 02:50 PM

4.2 - 4.3

99mustang232 · September 3rd, 2006, 10:13 AM

the most i have ever seen anyone go out to was 4.6L with a morana stroker kit, but i heard of oiling issues with that. as roadhawg posted most reasonable strokers go 4.2 or 4.3 for N/A or F/I, you can call or e-mail supersix and rpm-mustangs and they will give you all the specs on their stroker packages and what to expect fuel economy wise

September 2nd, 2006, 01:22 PM	#1
skryb Newbie Join Date: Sep 2006 Posts: 27	engine displacement so she's 3.8L with new crankshaft and pistons what can I reasonably change that to? i was thinking 4.0 or 4.2 tops? anything else i should be conscious of when changing the stroke? also, can anyone provide the math as to how this will affect horsepower and fuel consumption? cheers. __________________ '03 coupe v6. She'll be a HOpony soon enough..

September 2nd, 2006, 02:50 PM	#2
Roadhawg Regular Join Date: Dec 2005 Location: Chesapeake, VA Posts: 413	4.2 - 4.3 __________________ 2003 Mustang Mach1 1995 Thunderbird LX 4.6; 4R70W w/Jmod, 8.8 3.27 Tracloc 1995 Mustang 4.2; MPX Supercharger/25%OD, 4R70W w/Jmod, 8.8 3.73 Tracloc (343rwhp/420rwtq)

September 3rd, 2006, 10:13 AM	#3
99mustang232 MM Fanatic 1999 Ford Mustang V6 Join Date: Sep 2005 Location: newport news, va Posts: 3,719	the most i have ever seen anyone go out to was 4.6L with a morana stroker kit, but i heard of oiling issues with that. as roadhawg posted most reasonable strokers go 4.2 or 4.3 for N/A or F/I, you can call or e-mail supersix and rpm-mustangs and they will give you all the specs on their stroker packages and what to expect fuel economy wise __________________ ...even fire and single cammin

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