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#21 ·
Mustang RacR94 said:
im actually not going for the stroker kit

I talked to one of the hypo teachers, he said not to stroke it for the fact of you can lose the high winding power, Im going to talk to him more
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Time to check out a different school. If the hipo teacher said that about a four valve modular engine then he's not qualified to teach that course. Period. You'd be surprised how much power you can make with the stock components and just alter compression and cam timing (even with the stock cams). It is all about the combination. Period. As the others have stated, serious N/A power will require plenty of rpm so top quality valvetrain components are a must. Most of these components are off the shelf unless you want a set of custom ground cams.

Personally, I wouldn't buy a hooker from SHM if she was the last piece of azz on the planet. Keep your money here in the U.S.....there's plenty of suppliers and knowledgeable engine people right here. You might check out ModMax - 4.6 and 5.4 Modular Experts for some decent components and good pricing.
 
#22 ·
I didn't stroke my engine, because of the same reason. I don't know where you get your information, but several well known, very reputable shops have said the same thing. You don't stroke a 4v if you want to make power N/A. If you would like I can give you sveral phone numbers to these shops, and they will confirm what I have stated.

4v's nature of being a high revving engine favors a big bore, or stock bore and stroke. The stroker is not as efficient as the stock bore and stroke, or the big bore in the higher rpm's.
 
Discussion starter · #25 ·
yea, ive talked to a few people I know and everyone has been saying the same, dont stroke them out to much, thats like making a 4 cylinder that doesnt rev high, thats how they make there power and get fast.

and considering the guy is one of 4 certin level tuners in the country and gets paid to fly and gets paid to be flown around the world to tune cars, I think I might just take my opinion from him
 
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#26 ·
futureMACH1racer said:
I didn't stroke my engine, because of the same reason. I don't know where you get your information, but several well known, very reputable shops have said the same thing. You don't stroke a 4v if you want to make power N/A. If you would like I can give you sveral phone numbers to these shops, and they will confirm what I have stated.

4v's nature of being a high revving engine favors a big bore, or stock bore and stroke. The stroker is not as efficient as the stock bore and stroke, or the big bore in the higher rpm's.
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Food for thought... a 5.4 is basically a stroked 4.6 (granted heigher deck height) and it can make all the high rpm power you want. So why not stroke a 4.6?

I don't like stroking a 4.6 either. But my reasoning is not because of it not making power in the high rpms, its due to the fact of the design. Increasing the amount of the piston skirt that comes out of the bore and the increased side load stress on the wrist pin are two factors that will greatly decrease motor longevity. A stroked engine can make high rpm power. Look at your 331's and 347's. All the nasty N/A ones spin well above 7k rpms. For a pushrod thats a screamer.

But if staying N/A I'd go big bore. Having thinner sidewalls between the cylinders is fine when your motor is N/A but not when there is added cylinder pressure. (aka FI).

-Mark
 
#29 ·
futureMACH1racer said:
I didn't stroke my engine, because of the same reason. I don't know where you get your information, but several well known, very reputable shops have said the same thing. You don't stroke a 4v if you want to make power N/A. If you would like I can give you sveral phone numbers to these shops, and they will confirm what I have stated.

4v's nature of being a high revving engine favors a big bore, or stock bore and stroke. The stroker is not as efficient as the stock bore and stroke, or the big bore in the higher rpm's.
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futureMACH1racer said:
That's nice... however you didn't respond to the rest of my question.
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Don't see a question in there, Junior.
 
#30 ·
bitemark46 said:
Food for thought... a 5.4 is basically a stroked 4.6 (granted heigher deck height) and it can make all the high rpm power you want. So why not stroke a 4.6?

I don't like stroking a 4.6 either. But my reasoning is not because of it not making power in the high rpms, its due to the fact of the design. Increasing the amount of the piston skirt that comes out of the bore and the increased side load stress on the wrist pin are two factors that will greatly decrease motor longevity. A stroked engine can make high rpm power. Look at your 331's and 347's. All the nasty N/A ones spin well above 7k rpms. For a pushrod thats a screamer.

But if staying N/A I'd go big bore. Having thinner sidewalls between the cylinders is fine when your motor is N/A but not when there is added cylinder pressure. (aka FI).

-Mark
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The reason behind not stroking my engine was that I was planning on running a lot of boost, and like you mentioned that meant a lot pressure on the cylinder walls. While we did bore my car over .020 over, we also sleeved the block to handle this. I was not taking any chances with this engine. I built everything to the extremes.

S197Mach1 said:
Don't see a question in there, Junior.
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Junior? do me a favor come into the burnout box so I can tell you how much of an asshole you are. Thanks :D
 
Discussion starter · #33 ·
his mach 1 is pretty damn badass ha

and these motors havent been around longer then he has been alive, so S197Mach1, you sir are lying
 
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Discussion starter · #35 ·
non the less, keep you days of working in a greasy pit back in the 60s to your self, we here are talking about mod motors, in the mod motor section.

and your a newbie says it under your name, so you sir fail at everything

and btw, jakes car runs alot faster then your 11.8, so you sir fail
 
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#36 · (Edited)
Mustang RacR94 said:
non the less, keep you days of working in a greasy pit back in the 60s to your self, we here are talking about mod motors, in the mod motor section.
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Wow....really? I suppose the 55 or so modulars I've built since 1998 don't count either because you said so, eh?

Mustang RacR94 said:
and your a newbie says it under your name, so you sir fail at everything
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Oh heavens forbid......I'm just a board newbie. Such a lowly failure am I......

What do those trophies say, Jackass?????

Image


How about you take your pissant "you fail" kiddy punk insults and shove them up your ass? When you're finished leg-humping the futuremach1racerwannabe maybe you'll understand that there is a big shiny whole other world beyond this one particular message board.

Mustang RacR94 said:
and btw, jakes car runs alot faster then your 11.8, so you sir fail
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Ok....so I lied about the times. Either of you want to race? Dickhead.
 
#37 ·
cut the **** please.. this isn't the burnout box and it's how people end up getting the ban stick. Please move all drama there. That's why the section was made in the first place.

Lets keep it tech related.

Image




(oh and pushrod>mod motor. all day long :D )
 
Discussion starter · #38 ·
well congrats you have many years over me and alot of people here, so your old ass has had time to do stuff with your life.

and sorry im not old has hell and dont have the money to build my mach 1, yet. since im 19 and I bought my car at 18.

by the time im your age im sure Ill have plenty of cars to woop your cars ass.

considering i already have 5 cars and your old ass sits around a forum arguing with kids, you sir still fail at life. congrats on the plastic throphys you took out of a shoe box to take a picture of to try to impress me.

and of course ill argue for jake, we are friends, I mean you might be a punk and wont stand of for your friends but im not a old ass punk, you fail, just end it.
 
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#39 ·
/\ LOL

Calling a multiple champion a fail - now that's funny

I know you parents raised you better than that kid, have respect for you elders.
 
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