351w swap on a budget

whiteout34 · April 8th, 2011, 01:45 PM

i have the chance to get a 5.8l 351w cobra r motor for 2500. im pretty sure i come with most the acessories. has anyone done this swap and is it easY? will i have to replace my tranny and get a built rear end for this motor? thx

fogged306 · April 8th, 2011, 02:58 PM

You can go a lot faster if you put that 2500 into your 302. The 351 is heavier, has a heavier rotating assembly, and GT-40 heads. That money could go towards a nice aftermarket HCI for your 302 that will make more power, accelerate faster, and be lighter. I wouldn't spend that kind of money on a stock stroke 351 with GT-40 parts ever.

98FireyGT! · April 9th, 2011, 01:35 AM

^+1

I would definitely go and spend that 2500 on a decent HCI on the 302, or even just some GT40 heads and a used blower setup.

henry03250 · April 10th, 2011, 11:24 PM

Where is the car to go with the motor?
How do you know it came out of a cobra R.

GreenMustang00 · April 10th, 2011, 11:29 PM

I find it hard to believe it's from a cobra r considering the limited amount made..

Ya never know though.. Would be a cool swap but money can be spent better

whiteout34 · April 15th, 2011, 12:05 AM

the guy builds mustangs and he had a couple of the blocks lying around. My frd just put one into his fox body. i was thinking about the heads. but wouldnt i make more power putting heads in the 351w overall?
i was planning on getting afr 185 heads.. what do u think

fogged306 · April 15th, 2011, 01:20 AM

Good heads on a 351 will make more power than on a 302, but 2500 is way too much money for a stock stroke 351 engine. If you are going to spend the money on heads too anyways, then look for a stroker 351 shortblock. You can find them used for 2500. A 408 with a set of highports or AFR 225's will make a lot more power and will cost you about the same as getting that engine and putting 185's on it.

April 8th, 2011, 01:45 PM	#1
whiteout34 Newbie 1998 gt Join Date: Aug 2010 Location: Redding, California Posts: 45 iTrader: 0 reviews	351w swap on a budget i have the chance to get a 5.8l 351w cobra r motor for 2500. im pretty sure i come with most the acessories. has anyone done this swap and is it easY? will i have to replace my tranny and get a built rear end for this motor? thx __________________ vortech v1 strim intercooled with lots of goodies , 4.10s, built rear end, pi intake, 78mm bbk tb, SCT tuner, bassani with flowmaster 44, mega bite jr lca, J@M full length subframe connectors, tuned by AED. and more suspension mods

April 9th, 2011, 01:35 AM	#3
98FireyGT! Hardon Enflooziast '94 GT Vert Havn't tried... Join Date: Oct 2009 Location: Spokane Posts: 3,460 iTrader: 0 reviews	^+1 I would definitely go and spend that 2500 on a decent HCI on the 302, or even just some GT40 heads and a used blower setup. __________________ Bridget: 98 Mustang GT - PI Swapped, J-Mod and B&M Shifter...wrapped it around a tree sparing a deer - RIP Sephie: 94 Mustang GT Vert - Full 03 cobra suspension and brakes, Magnaflow catback, K&N drop in filter, timed at 12*, SS brake lines,

April 10th, 2011, 11:24 PM	#4
henry03250 Regular 85 Gt, 95 Gt Join Date: Apr 2010 Location: Arkansas Posts: 50 iTrader: 0 reviews	Where is the car to go with the motor? How do you know it came out of a cobra R. __________________ Only a true car enthusiast can appreciate any car.

April 15th, 2011, 12:05 AM	#6
whiteout34 Newbie 1998 gt Join Date: Aug 2010 Location: Redding, California Posts: 45 iTrader: 0 reviews	the guy builds mustangs and he had a couple of the blocks lying around. My frd just put one into his fox body. i was thinking about the heads. but wouldnt i make more power putting heads in the 351w overall? i was planning on getting afr 185 heads.. what do u think __________________ vortech v1 strim intercooled with lots of goodies , 4.10s, built rear end, pi intake, 78mm bbk tb, SCT tuner, bassani with flowmaster 44, mega bite jr lca, J@M full length subframe connectors, tuned by AED. and more suspension mods

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April 8th, 2011, 02:58 PM	#2
fogged306 MM Fanatic 89 GT Join Date: Apr 2007 Location: NY Posts: 4,875 iTrader: 2 reviews	You can go a lot faster if you put that 2500 into your 302. The 351 is heavier, has a heavier rotating assembly, and GT-40 heads. That money could go towards a nice aftermarket HCI for your 302 that will make more power, accelerate faster, and be lighter. I wouldn't spend that kind of money on a stock stroke 351 with GT-40 parts ever.

April 10th, 2011, 11:29 PM	#5
GreenMustang00 1 Wheel Peel 2000 Mustang 393w 2001 Mustang GT Vert Join Date: Mar 2010 Location: Wisconsin Posts: 3,583 iTrader: 4 reviews	I find it hard to believe it's from a cobra r considering the limited amount made.. Ya never know though.. Would be a cool swap but money can be spent better

April 15th, 2011, 01:20 AM	#7
fogged306 MM Fanatic 89 GT Join Date: Apr 2007 Location: NY Posts: 4,875 iTrader: 2 reviews	Good heads on a 351 will make more power than on a 302, but 2500 is way too much money for a stock stroke 351 engine. If you are going to spend the money on heads too anyways, then look for a stroker 351 shortblock. You can find them used for 2500. A 408 with a set of highports or AFR 225's will make a lot more power and will cost you about the same as getting that engine and putting 185's on it.

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