Jordan57

Okay up at sonic last night I was talking with all the local lt1/ls1 guys and this one lt1 corvette owner starts talking to me about strokers. He says he has a 383 stroker....I believe that....however this winter he's going to freshen it up and make it a 414???? Is that even possible? I've seen ls1 cars up to 427ci...but how come the LT1's don't get that big? And also if there is a 414 LT1...how come there isn't a glamourized short block like the 355,383,and 396? Sorry about the newbie style questions but I am pretty interested in this

dhdenney

iTrader: (53)

It can be done. It just isn't done much probably due to durability issues. I would venture to say 414 is max for the LT1. The LS1 design is drastically different and is the reason for such large stroker applications. The 414 LT1 would require a lot of machine work and some of the parts are a little more speciality which would mean more $$ and why the combo isn't offered up as an off the shelf short block/crate motor. 414 cid is 4.00" stroke and 4.060" bore, pretty much maxed out.

XxXTransAmXxX

iTrader: (12)

I am currently building a 396 and it alone wraps up wayy more money than even a 383 cuz of the odd ball issues of off the shelf stuff for a 338 makes too high of a CR, so you have more custom parts....but IMO well worth the more "RARENESS" over a 355, or 383

ls6musclehead

iTrader: (1)

On the ls1 there is more clearence for the 4.100 stroke around the camshaft. The lt1 has first gen dimensions. Rods won't clear.

Speed Density

iTrader: (38)

There would also be no point to have a "414" other then saying "Hello, I have a 414". Your going to have to do a lot of work to even make that work, wouldnt be suprised if you pushed water either.

Tony.

the_merv

iTrader: (88)

That's pushin it for a SBC Block..

TAEnvy

iTrader: (2)

A buddy has a 445 LS2. I would love to have a 427 lt1 id be in heaven but if I wanted that from an LTx itd have to be LT5 and DAMN that stuff is expensive.

the_merv

iTrader: (88)

If you look into it.. the LT5 Bore X Stroke is very, very close to the LS1...

Makes you think for a sec..

TAEnvy

iTrader: (2)

I almost bought me a ZR1 a while back and they are doing some badass stuff with that old motor.

Im talking over 400cfm heads

the_merv

iTrader: (88)

They must have some good funding..

Formula350

iTrader: (3)

There's a place in MN I remember seeing while looking for pics of bare LT5s and they make 427 LT5s I'm 90% sure of, and that's for a LASTING motor.

427 I think is also the max on a standard casting SBC. Won't last long though with that thin cyl wall. Maybe not LT1s, but I'm pretty damn sure there were quite a few 427 SBCs back in GENI days.

the_merv

iTrader: (88)

Some guys in NY made a 454ci SBC Gen I out of a 350 Block..I remember reading it a while back..

sdm1234

iTrader: (8)

that's rediculous... a 454? now that's A LOT of cutting!!

James Montigny

iTrader: (13)

With enough funding and enough stubbornness, anything is possible.
Great for bragging rights, not so good for bang for you $ or durability (IMHO)

camar0corey

iTrader: (22)

Considering the way most of us drive on here, I bet we could wreck a 414 LT1 in less than a month.

Ironxcross

iTrader: (8)

very true!

the_merv

iTrader: (88)

You get used to it..you see the speed that you used to going.. difference is that you get to it ALOT faster..

Formula350

iTrader: (3)

That'd be with the World's Motor block, those CAN do 454cid and safely too!

So, We'll go with a safer 4.190 with a 4" stroke, we get... hmm only 441cid ... Oh well, I might have been mistaken and it was the LSx version that could do 454...

EDIT: OK I looked, and the LSX Warhawk block, at max everything... *drum roll* 481cid SBC GENIII

TAEnvy

iTrader: (2)

I thought I was reading about 500ci LS motors a while back maybe I was wrong and carcraft did a test on a sbc 454 vs a bbc 454 a while back so someone makes a monster mouse.

jester1614

iTrader: (13)

holy old thread batman

did anyone else notice that this thread jumped from 7-8-04 to 4-8-05