compwc18

I ahd some quick questions, I was think about turboing the gsr motor I have but I was going to use the stock GSR Crank and Eagle Rods/JE Pistons, and basiaclly build up everything completely except for the block, I wasnt going to bore it out or sleeve it, what are the highest numbers I could go on the stock sleeves, and or what are the best number anybody has seen been run with a GSR Stock Sleeves, boosted... LMK asap,. thanks,...

m R g S r

550+ has been made on stock sleeves. Stock bore, or close to it is fine too..

b18c1cya made 605whp on a small bore gsr motor. 81.5mm....the difference between that and an 81mm bore motor is BARELY noticable. (his was sleeved thou)

johnmay19

There have been many 500hp stock sleeve cars. I would have your block bored to at least .5mm over, so you know you have a true bore.

compwc18

wont I need to sleeve it though.... what if I was to just use a block guard also

compwc18

Im trying to stay away from resleeving the motor... i want to but I dont have the cash for it right now... please hit me up with links or something regardnig this... i need all the info I can get... thanks

iconz116

as already stated.. you will be fine on stock sleeves.. just overbore it a little so its got a clean smooth wall. as for the block guard, I've only heard bad things about them, but i cant elaborate on it. im sure somebody will chime in. Good Luck.

Andrea

Here is a link to a 500+whp dyno graph for a car with stock sleeves.

https://honda-tech.com/zerothread?id=1226694

Makdaddynuge

These guys are right. It seems like our stock honda sleeves are being pushed really hard and proving to be able to take the beating. Just bore it out to 81.5 mm to get a fresh smooth cylinder wall, and get a good tune.

B18CXr

get a good tune.



Is key

johnmay19

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by B18CXr &raquo;</TD></TR><TR><TD CLASS="quote">get a good tune.



Is key</TD></TR></TABLE>

That is also a big part. You could run 250 have a bad tune and crack a sleeve. Also I have heard many problems with block guard. I run 378whp@17psi daily and 425@24(110) on stock sleeves and no block guard, haven't had any problems.

JDMisGOOD

stock sleeves are definatly capable of holding 500whp. But like everyone else stated definatly up the bore a bit. As for the block guard i have never had a problem with my STR block guard. I installed it <U>BEFORE</U> boring and line honing.

DriveSlowHomie

would boring out the stock sleeve make it weaker? might be a stoopid question but wouldnt that make the sleeve thinner if you dont resleeve it?

JDMisGOOD

it will essentially make the cylinder walls "thinner" but an 81.5mm Bore is only .5mm larger than stock. and its really not much of a material loss all things considered. You do the bore ensure straight and true cylinder walls.

vtecmissle

if you go to a forged piston in 81 mm wouldnt the larger piston to wall clearance make you have enough of a cleanup pass.

dasher

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by B18CXr &raquo;</TD></TR><TR><TD CLASS="quote">get a good tune.



Is key</TD></TR></TABLE>

.... also the size of the turbo. I definitely wouldn't suggest running over 400whp on a t3/t4 with a 57 trim wheel on the compressor housing.