Limitations of a 351L motor? - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 19 Old 01-31-2008, 11:11 AM Thread Starter
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Limitations of a 351L motor?

How much can you make on a Lightning 351 stock bottom before it generally lets go? Will it do 600 at the tires? Is the rotating assembly the same as all roller 351s?


Laser Red '95 GT with under 30k miles. Slow turd but pretty. Down for upgrades for the next few months.
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post #2 of 19 Old 01-31-2008, 11:19 PM
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i heard that the roller 351w's are good for about 700hp


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post #3 of 19 Old 02-01-2008, 11:29 AM
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Isn't it a 351W block? If so, you are probably good with 700 FWHP with a safe tune. If that is not the case, disregard my comments. You might do a search in the 5.0/5.8 section on that question, it has been covered probably 10 times already this year.
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post #4 of 19 Old 02-02-2008, 02:40 AM Thread Starter
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Originally Posted by fastceli00 View Post
Isn't it a 351W block? If so, you are probably good with 700 FWHP with a safe tune. If that is not the case, disregard my comments. You might do a search in the 5.0/5.8 section on that question, it has been covered probably 10 times already this year.

Yes, it is a windsor. I'm not worried about the block, I'm just curious about the rotating assembly.

Laser Red '95 GT with under 30k miles. Slow turd but pretty. Down for upgrades for the next few months.
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post #5 of 19 Old 02-02-2008, 08:41 AM
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The crank is pretty solid, the rods are not so great and if I'm not mistaken, they have hyper pistons. On my turbo Lightning I run a stock crank, H beam rods and forged pistons - it's 500+ RWHP and realiable. We run basically the same thing in our '95 Mustang making (so far) 650ish RWHP - been that way for years with no problems.

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post #6 of 19 Old 02-02-2008, 10:26 AM
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Yeah, if you plan to really rev it up, then invest in better rods. I run a SC 351w with stock crank & rods (modified, but stock) a light weight piston, and make 540+ whp. It's a daily driver, 100 miles a day & reliable. My MAX rpm is 6K. Impressive durability for a cheap shortblock.

95 Cobra: 357, ported ProComp heads, XE cam, 1.7's, lightning intake, 80mm TB, LMAF, 1.75 shorties, 3:73's, built AOD w/3000 stall, 13" brakes, M5400A suspension, panhard, subframes, Kennebell, blah-blah-blah $$$$$$$$$$$$$$$$$$$
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post #7 of 19 Old 02-02-2008, 12:53 PM
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Yeah, if you plan to really rev it up, then invest in better rods. I run a SC 351w with stock crank & rods (modified, but stock) a light weight piston, and make 540+ whp. It's a daily driver, 100 miles a day & reliable. My MAX rpm is 6K. Impressive durability for a cheap shortblock.
What supercharger are you using?
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post #8 of 19 Old 02-02-2008, 06:39 PM
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Vortech. Well made and reliable.

95 Cobra: 357, ported ProComp heads, XE cam, 1.7's, lightning intake, 80mm TB, LMAF, 1.75 shorties, 3:73's, built AOD w/3000 stall, 13" brakes, M5400A suspension, panhard, subframes, Kennebell, blah-blah-blah $$$$$$$$$$$$$$$$$$$
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post #9 of 19 Old 02-03-2008, 12:38 PM
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Vortech. Well made and reliable.
What trim? S, T, YSi, X?
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post #10 of 19 Old 02-03-2008, 04:47 PM
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T trim. My friend has the Novi 2000. I almost bought one, but got a killer deal on the Vortech-T.


95 Cobra: 357, ported ProComp heads, XE cam, 1.7's, lightning intake, 80mm TB, LMAF, 1.75 shorties, 3:73's, built AOD w/3000 stall, 13" brakes, M5400A suspension, panhard, subframes, Kennebell, blah-blah-blah $$$$$$$$$$$$$$$$$$$
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post #11 of 19 Old 02-03-2008, 08:13 PM
 
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There is a 95 Lightning local to me that has an SQ trim on a stock bottom end with 130k miles or so that runs 10.70s and over 600 rwhp.
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post #12 of 19 Old 02-04-2008, 10:03 AM
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There is a 95 Lightning local to me that has an SQ trim on a stock bottom end with 130k miles or so that runs 10.70s and over 600 rwhp.
hes hoping for faster times this year.
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post #13 of 19 Old 02-06-2008, 03:49 AM
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There is a 95 Lightning local to me that has an SQ trim on a stock bottom end with 130k miles or so that runs 10.70s and over 600 rwhp.
Tell Dennis take the bottle out!!!!!!!!!!!!!!!!!!!!
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post #14 of 19 Old 02-06-2008, 06:57 AM
 
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That thing will explode if he puts the bottle back in!
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post #15 of 19 Old 02-06-2008, 09:03 AM Thread Starter
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That thing will explode if he puts the bottle back in!
Three-ninety-three

Laser Red '95 GT with under 30k miles. Slow turd but pretty. Down for upgrades for the next few months.
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post #16 of 19 Old 02-07-2008, 01:30 PM
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What trim? S, T, YSi, X?
Depends how much power and how high you want to spin it. For a motor not seeing above 6500rpm and making around 600whp a S trim will get you there. If you need more then look at a T or YSI but you can't just base it on cfm or what the trim is recommended for. Obviously vortech is going to recommend the more expensive blowers for larger cube motors but you might not need to go huge. Just look at in what rpm range each blower is most efficient and what kind of CFM it can push in those ranges. Base your decision off that. Bigger is not always better and in many cases bigger is worse. The 351 S trim combo is proven to work extremely well but it all depends on your combo.

-2000 Mustang GT Steeda #0048. 4V swapped, FTBR IRS, Steeda factory suspension, Ultralites, VRS X, "Exhaust Shop Special" catback.

Stock 2V computer rewired for 4V, Tuned by James Gordon.

Last edited by SilverSmith82; 02-07-2008 at 01:33 PM.
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post #17 of 19 Old 02-21-2008, 06:34 PM
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Tell Dennis take the bottle out!!!!!!!!!!!!!!!!!!!!

If its the Dennis I think it is, I saw him run 11.90 without the juice. He does hook and leave hard. I used to work with him (if its the same one-RED LIGHTNING). I heard he put some heads and a roller cam and was running high tens with it.
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post #18 of 19 Old 02-21-2008, 10:00 PM
 
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If its the Dennis I think it is, I saw him run 11.90 without the juice. He does hook and leave hard. I used to work with him (if its the same one-RED LIGHTNING). I heard he put some heads and a roller cam and was running high tens with it.
That would be him! I think his best was a 10.77.... with a stock bottom end!!! That truck is a freak!
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post #19 of 19 Old 02-23-2008, 04:49 PM
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That truck is a freak!
So is Dennis!!! LOL
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