Will this engine be worth it?

[laxking012]

I'm looking for an engine for my 91 s10 drag truck I just bought. I really want to put a big block but everyone says that it takes a lot of work. But a friend says he's got a Jasper 350 out of a 87 blazer with tbi and only 32000 miles on motor. Said he'd sell it for $600 to me. Is this engine going to be worth getting as a base to build up or should I keep looking. It's my first all drag car and hoping low 12s maybe even 11s.

[hotrod1994]

depending on whats done to it me personally if im buying anything other than a build able core i would like to see paper work
find out what kind of internals are in it!
is he a friend you can trust?
low 12's may be hard to achieve all i see from jasper are mild sbc's it's gonna take more than 350 hp to run low 12's depending on your gears, weight, converter etc... my mild 350-375 hp camaro with 3500 stall and 4.88's will be lucky to hit high 12's
JMO
-logan

[fast75vega]

low 12's may be hard to achieve all i see from jasper are mild sbc's it's gonna take more than 350 hp to run low 12's depending on your gears, weight, converter etc... my mild 350-375 hp camaro with 3500 stall and 4.88's will be lucky to hit high 12's
JMO
-logan

same thing i was thinking :wink:

[outlaw256]

jasper engines are stock build replacement engines. the only way your gonna get that thing in the 12s is throw it off a roof.

[laxking012]

What about the block? is it something that if I got then I could finish some of the other things that need be done on the truck then pull the engine back out and rebuild it in the winter to get maybe where I want?

[hotrod1994]

yes you could but me personally id find a 4 bolt high nickel block and build it to make 500 hp especially if its just a drag truck... ive found good build able blocks for 50-200 bucks... but you could re sell some of the parts from the motor and make your money
JMO
-logan

[TheYellaBrick]

Overkill on the engine foundation (block and crank) and you can cheap out on the rest and get some running time. Cheap out on the foundation and you'll end up paying for the good stuff anyway but with a bunch of headaches in between.

[laxking012]

Just another question, how much horsepower would it take to get low 12's or even 11's? Was told the truck weights about 2700 depending what engine I put in it, which sounds about right to me. I figured just messing around with some online quarter mile calculators that roughly 400hp could get me nearly there.

[hotrod1994]

id look closer to 450-500 hp it's easy to make big power now days for a decent price ... some KB hypereutectic 13:1 pistons and some aluminum heads (even pro comp) and the right cam would get ya there and possibly more...

tire height,stall converter,and gears and how it launches all play an important roll in the configuration and set up

if its your first drag car build what you can afford for now and have fun it'd be nice if my camaro ran 10's but i had fun building it with my dad and we built what we could afford at the time and had fun doing it!

[fast75vega]

Just another question, how much horsepower would it take to get low 12's or even 11's? Was told the truck weights about 2700 depending what engine I put in it, which sounds about right to me. I figured just messing around with some online quarter mile calculators that roughly 400hp could get me nearly there.

my vega is 2700lbs with me in it and i run a 13to1 383 stroker (just under 500 horse) and 2 speed glide w/4.56 gears and it ran a best of 10.61 but averages low 10.70's

[spib]

I ran a best of 12.38 with a 9to1 355 with 470 lift cam a $1800 long block, but thats with a 4500 vert and 4.86 gears, right at 3200lbs

[bluedawg357]

If your planning a small block build and planning to go with a forged crank, it really doesn't cost that much more to stroke it out to a 3.75'' stroke and end up with a 383. In my opinion well worth the extra money and labor.

[laxking012]

I've actually have considered a 383, but don't really know much about that kind of build.

[outlaw256]

the machine shop will take care of the bottom end for ya.well the maching anyway. the rest is the same as anyother build.ive got a 383 in my 53 ranchwagon, and it is FAST.ive shut down a few on the street with this heavy car. suprise, suprise, suprise.!!! i love it. if you arent sure on how to build one just get ya a book read a little and spend alot! lol

[hotrod1994]

383 is a 350 bored 30 over with a 3.75 stroke yeah just tell the shop u want it machine to be made into a 383 and they will get ya going its the same as building any other engine just different parts and go with a 6.0 rod it reduces outward pressure on the cylinder wall making it more efficient
-logan

[csx8506]

Laxking,
You can run 12.25's with a 350 at .060 over, stock stroke in a 3000# S10, powerglide, 4.56 rears, that's what mine runs in cool weather. Most of the time I run 1/8mile at 7.75's at 88-90mph. And it has the stock s10 rear end with traction bars. I race at 350' above sea level, that helps a lot. It wouldn't surprise me if my rear end fell out on the next run, but I've been running this same combo for about 4 years with no problem. It also has mid 70's smog motor heads, but it has a good cam, intake, and all the other parts. I went with smog motor heads because they are cheap, and I had them, and comp ratio worked out to be 10-1 so I could use pump gas 93 octane. Hope this helps you some. dgh

[laxking012]

Thanks everyone for the replies, giving me a few things to think about doing. As far as going 383, I've seen Summit has bottem end packages from Scat and Eagle, are these a good way to go, or what should I be looking for as for parts to build the 383?

[hotrod1994]

the rotating assembly are a good start or you can do it like this

FORGED 3.750 stroke crank for a 350 a good block bored .30 over and notched for clearance, forged 6.0 rod, some high dome pistons, aluminum heads (everyone i talk to THAT RUNS PROCOMP says procopm is good for the money) and a good cam to fit the build. thats how i would do it
JMO id go with forged crank and rods if you can afford them just for extra insurance but the scat 9000 crank is a good cast crank from what i hear
-logan

[outlaw256]

watch what company crank you buy very close. scat is a import blank crank.meaning they import the blanks and turn them. meaning softer steel or iron.

[hotrod1994]

ive herd the scat 9000 cranks run at 7000 rpms and take 550 hp without a problem
J.M.O
-logan

[BEAST477]

watch what company crank you buy very close. scat is a import blank crank.meaning they import the blanks and turn them. meaning softer steel or iron.


That's right Outlaw you get what you pay for plain and simple. Or at least that's what I heard. :wink:

[eerode]

i see from jasper are mild sbc's it's gonna take more Nox (https://downloadnox.onl/) Vidmate (https://vidmate.cool/) VLC (https://vlc.onl/) than 350 hp to run low 12's depending on your gears, weight, converter etc... my mild 350-375 hp camaro with 3500 stall and 4.88's will be lucky to hit high 12's