How much boost can the h22a from a 1999 lude handle? I have heard that its not the best platform for turbo charging can anyone let me know? or where I xan find out? thanks

 

8psi max on a stock h22a motor, given you have the proper fuel management upgrades (minimum of inline fuel pump and fmu). the reason for this being is the pistons, the ring-lands are very weak on the H series motors and are usually the first thing to fail.

 

What would I need to do to be able to run higher boost? other than $5000 for new t sleeves!!!!!!

 

A minimum of:
forged pistons
iron ductile sleeves
crower/eagle rods
new rod/main bearings
other misc gaskets
440cc+ injectors
engine management system
dyno tuning

 

you are correct, the open deck design is not the best for FI. The only way to "fix" the weak ringland problem is to resleeve the block and throw in some forged pistons. Expensive, but only real way to fix the problem. Good luck

 

I don't think the open deck design has anything to do with it

 

Okay, I read this alot. Hear alot of people talk about it etc.

Let's say you're running 7psi tuned on an h22a. everything stock.

Will it last? or is it only a matter of time before something goes even with the low (relatively) boost?

I was hoping to throw ~7psi at my stock h22 and keep it as a daily driver.

 

Open deck? H22's have closed decks. As far as boosting a stock motor (only thing modded is head gasket) I push 9psi daily (as shown in sig) and I'll sometimes boost up to 11psi when racing. The motor blew on me once but that was because of over boost (20+psi). It runs just fine with nine. Just don't dog the motor and it'll treat you good. But like the other guys have said, the only way to safely push high boost is to build the motor (i.e. pistons, rods, SLEEVES, etc...)

 

I have been reading a lot on the topic and been asking people who I know have a lude and they all have been saying pretty much the same thing. I am really looking to be pushing high boost so looks like I'll be building up the engine thanks eveyone!!

 

96+ are open deck

 

97+, 96 still has the H22A1 closed deck

as for the rest of this info, i get off on some of the BS people throw ou there about what can and can't be done on H22s... seriously, do a search, you will find this same question asked many times, and each time, people have some wacked out answers