How much HP can you estimate that this car produces

facesmelt · December 28th, 2007, 11:22 AM

I am planning to buy a used mustang from a private seller and if all claims are true, I just may take it up. It is a 1988 Mustang and with the 4.2 liter V8

Under his modification list he put:

"The car has port & polished 351 cleveland heads, 3 angle valves, 750 holley double pump carb, forged pistons, 12 1/2 . 1 comp. Headers, 2 1/2 inch exahust, 40 series flowmasters, 373 posi rear, 5 speed with a hurst short shifter, msd ignition, msd distributer, mild cam, battery relocation kit."

Now I want to know how much Horsepower you think it can produce since he never had it Dyno-ed. I wanted to say that it could make around 400 at the wheels

Your guess is probably better than mine, but if you want to guess please specify RWHP or BHP, thanks.

HMUSN · December 28th, 2007, 11:25 AM

welcome to the forums.
4.2? isn't that an audi motor?
the normal mustang motors for the year are 5.0 and 351
(with many other choices obviously)
I am not too familiar with the push rod motors so I'll let the 5.0 guys take a stab at a HP guess

ModMustang97GT · December 28th, 2007, 11:28 AM

something doesn't sound right. Are you sure it said 4.2l. That is way too small for a 351, unless those heads fit on a smaller engine. I don't really know, I don't have an 88'. But still, assuming those were all correct id say in the 350 to 400 range. Its hard to say, but with no power adder and it only being 4.2l. Its hard to say it makes more than 350 without it revving to the moon. Is it a trailer queen?

facesmelt · December 28th, 2007, 11:38 AM

I'm sorry it is actually the 5.0, I got some bad research results.

Please continue.

facesmelt · December 28th, 2007, 04:32 PM

I'm so sorry for all the confusion but it is the 351, as you can see I am new to the car scene.

Also, just forget about the "4.2 liter V8" part in the first post, he told me it is the 351 and that is all I know about it.

HessiaN257 · December 28th, 2007, 04:51 PM

Isn't a 351 a 5.8?

NMR-2vGT · December 28th, 2007, 09:45 PM

Yes

supermachone · December 30th, 2007, 09:52 PM

well what kind of 351? cleveland? windsor?

ModMustang97GT · December 31st, 2007, 02:02 PM

Doesn't really matter if its Cleveland or Windsor that I know of. Its should be around 400, it could be more. You need to find out what the car red lines at. If it is a 8000RPM engine, its good. But otherwise, its hard to say.

pa.ulB · December 31st, 2007, 05:05 PM

^i would say it does matter alittle, the cleveland is the better engine, both are good

supermachone · December 31st, 2007, 07:46 PM

yeah the 351 cleveland has more HP than the windsor...i have the Cleveland in my Mach 1, and it depends whether it came out after 1971, after that year with the new emission laws big motors like that dropped in HP...but they still kick ass!

December 28th, 2007, 11:22 AM	#1
facesmelt Newbie Join Date: Dec 2007 Posts: 8	How much HP can you estimate that this car produces I am planning to buy a used mustang from a private seller and if all claims are true, I just may take it up. It is a 1988 Mustang and with the 4.2 liter V8 Under his modification list he put: "The car has port & polished 351 cleveland heads, 3 angle valves, 750 holley double pump carb, forged pistons, 12 1/2 . 1 comp. Headers, 2 1/2 inch exahust, 40 series flowmasters, 373 posi rear, 5 speed with a hurst short shifter, msd ignition, msd distributer, mild cam, battery relocation kit." Now I want to know how much Horsepower you think it can produce since he never had it Dyno-ed. I wanted to say that it could make around 400 at the wheels Your guess is probably better than mine, but if you want to guess please specify RWHP or BHP, thanks.

December 28th, 2007, 04:51 PM	#6
HessiaN257 Enthusiast 2000 Mustang GT 13.9@101 Join Date: Feb 2007 Location: New Jersey Posts: 791	Isn't a 351 a 5.8? __________________ 13.9@101 before some mods

December 30th, 2007, 09:52 PM	#8
supermachone Enthusiast 1972 Mustang Mach 1 Kessel Run @ less than 12 parsecs Join Date: Sep 2007 Location: Kansas Posts: 518	well what kind of 351? cleveland? windsor? __________________ 1972 Ford Mustang V8 Mach 1 1999 Ford Mustang V6 Convertible "When I'm not cruisin with class, I'm ridin' in style " "Bad Ass with Class" MM Mach 1 Crew #4 Photoclub #3

December 31st, 2007, 05:05 PM	#10
pa.ulB Regular 2004 GT slow.... Join Date: Nov 2006 Location: PA Posts: 409	^i would say it does matter alittle, the cleveland is the better engine, both are good __________________ 2004 Crimson red GT saleen s/c, bolt ons

December 31st, 2007, 07:46 PM	#11
supermachone Enthusiast 1972 Mustang Mach 1 Kessel Run @ less than 12 parsecs Join Date: Sep 2007 Location: Kansas Posts: 518	yeah the 351 cleveland has more HP than the windsor...i have the Cleveland in my Mach 1, and it depends whether it came out after 1971, after that year with the new emission laws big motors like that dropped in HP...but they still kick ass! __________________ 1972 Ford Mustang V8 Mach 1 1999 Ford Mustang V6 Convertible "When I'm not cruisin with class, I'm ridin' in style " "Bad Ass with Class" MM Mach 1 Crew #4 Photoclub #3

December 28th, 2007, 11:28 AM	#3
ModMustang97GT Regular 1997 Mustang GT Join Date: Aug 2007 Location: Seattle, WA Posts: 499	something doesn't sound right. Are you sure it said 4.2l. That is way too small for a 351, unless those heads fit on a smaller engine. I don't really know, I don't have an 88'. But still, assuming those were all correct id say in the 350 to 400 range. Its hard to say, but with no power adder and it only being 4.2l. Its hard to say it makes more than 350 without it revving to the moon. Is it a trailer queen?

December 28th, 2007, 11:38 AM	#4
facesmelt Newbie Join Date: Dec 2007 Posts: 8	I'm sorry it is actually the 5.0, I got some bad research results. Please continue.

December 28th, 2007, 04:32 PM	#5
facesmelt Newbie Join Date: Dec 2007 Posts: 8	I'm so sorry for all the confusion but it is the 351, as you can see I am new to the car scene. Also, just forget about the "4.2 liter V8" part in the first post, he told me it is the 351 and that is all I know about it.

December 28th, 2007, 09:45 PM	#7
NMR-2vGT Hardcore Enthusiast Join Date: Feb 2007 Location: Grand Island, Ne Posts: 1,490	Yes

December 31st, 2007, 02:02 PM	#9
ModMustang97GT Regular 1997 Mustang GT Join Date: Aug 2007 Location: Seattle, WA Posts: 499	Doesn't really matter if its Cleveland or Windsor that I know of. Its should be around 400, it could be more. You need to find out what the car red lines at. If it is a 8000RPM engine, its good. But otherwise, its hard to say.

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