I've tried doing a search and there is not very much info out there. Or maybe I just didn't look hard enough.

My question is: Will the LS crank and rods work in the GSR block and is it a worth while venture? Also, what are the Pro's and Con's of this setup?

Thanks for everyones input.

 

it will give you about 40 somthing more CCs, it will lower your R/s ratio, you have to use LS rods ( with ARP rod bolts of corse ) and i dont know about the gains powerwise but i know there are a fiew people doing this. if i had a GSR i would do it. id also put a b16 head on it and some b16 pistions... but thats OT but thats just me.

 

I'm going to have the block bored out so I can run the over sized CTR pistons in it. But I can't aford to swap to a b16 head.

 

that would be a very nice combo.. CTR pistions and LS crank in a GSR... very very nice..

 

wow, thats gonna be a pretty high compression, i think with the crank and rods it going to be pretty close to 12:1, are you sure you want to run race fuel on your daily driver?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by TrboInteg &raquo;</TD></TR><TR><TD CLASS="quote">I'm going to have the block bored out so I can run the over sized CTR pistons in it. But I can't aford to swap to a b16 head.</TD></TR></TABLE>

CR will be in the mid 12's

 

At that c/r he wont even be close to needing race fuel, just tune it right and you'll have no problems running on 91 octane.

 

I'm pretty lucky being in Maryland. We have 93 octane at every station for our premium. And it's been proved you can run the CTR's with just fuel pressure tuning.

Now I have another question. Will a lower R/S ratio be better or worse? Will that throw off the balance of the motor?

 

lower R/S ratio is worst but its not that bad..i take my B20V to 8k sevral times a day for over 10k miles already...
your power increase will be higher broader torque which is a good thing...

 

Ls crank in a gsr should be make good power,just ask import builders about it.

 

So far, no one has mentioned any reason why not to. As inexpensive as they are used, I would have thought more people would be doing it.

 

i have this done,
i make 175 with 139 tq..
mods include.
ctr cams.
itr pistons, act clutch, type r fly. pulleys and bolt ons.


pros to this set up. great tq and will bring you close to a 2.0 liter because of the stroke. Potential horsepower. and doesnt leak oil.
cons, ls crank is slower than gsr, this can be fixed by geting UR pulleys, and lightening the fly, or even lightening the crank. Evaporating oil.

 

with the lower r/s ratio you get more low rpm pulling power, with the higher 1.74 r/s ratio of the b16, it makes its peak torque at higher rpms, so you will not have to rev high except for when your racing or what not.

 

Jesus there are three posts on this on the same page.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Mr Milano &raquo;</TD></TR><TR><TD CLASS="quote">Jesus there are three posts on this on the same page.</TD></TR></TABLE>

jesus, u are a post ***** ....omg..u got like 25 posts in the last minute.. here's one for ya..

 

Fine here's some useful info. Unless you are gonna do the work yourself I say don't mess with it. I think there is plenty of power to be made in the stock GSR dimensions. Just my food for thought.

P.S. +1 kumquat

 

It's a good cheap mod. Just make sure you don't hit the oil squirters. You might have to cut them off.

 

OK, here is the negative..the ls crank is not as strong as the gsr crank.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Witty &raquo;</TD></TR><TR><TD CLASS="quote">Just make sure you don't hit the oil squirters. You might have to cut them off.</TD></TR></TABLE>Can someone confirm this? Will the squirters be an issue or clearance is cool?

 

oil squirters cant be kept with an 89mm crank. the bolt hits. not the squirter. the trick is to get a custom bolt to plug the feed for the squirter.

 

thats the setup im workin on right now
gsr block
ls crank
balanced ls rods with arp rod bolts
.25 over bore ctr pistons
gsr head
toda b's
i will be lookin at like 13.1 compression
i might need a little thicker head gasket
but hey we got 109 at the pump here in richmond
hehe
im tryin to figure out how to keep the squirters any suggestions
lata
chris

 

I was told by a reliable engine builder in Fla that this will work with no mods. Is anyone running this setup now?

I plan on doin this in a Golden eagle block with 84mm pistons and boostin it. I need to know before i spend a **** load of money on this

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by simple4012 &raquo;</TD></TR><TR><TD CLASS="quote">oil squirters cant be kept with an 89mm crank. the bolt hits. not the squirter. the trick is to get a custom bolt to plug the feed for the squirter. </TD></TR></TABLE>thanks for the info simple4012

 

I just wanna know is it worth the money? I gotta c1 in my delsol and I was thinkink about this

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SIReg9 &raquo;</TD></TR><TR><TD CLASS="quote">I was told by a reliable engine builder in Fla that this will work with no mods. Is anyone running this setup now?

I plan on doin this in a Golden eagle block with 84mm pistons and boostin it. I need to know before i spend a **** load of money on this</TD></TR></TABLE>

the crank works great in the block. but oil squirters dont work without machine work to em that simply isnt worth it IMHO.