Hey guys,

I wanted to see if anybody has used one of these procharger kits on a relatively stock TPI motor? What fuel and tuning upgrades do you have to make? Does it make as much power as the manufacturer claims?

http://www.hawksthirdgenparts.com/88...-adjust-price/

 

Recalling from memory, the kit is pretty complete...
May need something to retard the timing on higher boost with an ignition box.
The kit is supposed to come with a fuel device that increases pressure and pushes more fuel through the stock fuel injectors as boost increases, I think it also comes with an inline fuel pump...

Another route is EBL Flash / P4 & larger injectors, wide band O2.
Now that ECM can monitor boost, retard timing and more precisely control the amount of fuel, etc...

The intercoolers reduce the temp of the incoming air, so you can pack more psi than non intercooled...

Expensive, as much power as you could get from a turbo system. A turbo system would be cheaper if you cold fab it yourself or found a good kit (BBS Designs), but more work since it's not a "complete kit". But it is an option...

Rafael

 

Thanks for the info. I wish I could install a turbo. I live in California so everything we do has to be smog legal. Lol maybe I should move out of state to get away from stupid smog laws! This procharger kit is 50 state legal so that may be one route I could take.

I'll have to pick up one of those flash devices so I can start burning my own chips and learning how to tune. Aren't a lot of people that tune TPI cars anymore.

 

www.dynamicefi.com

A daughterboard that connects to the stock ecm to allow for boost, run other fuel injectors, retard timing, etc...

I have once will almost tune itself You plug in the the parameters for things, and take a few runs, and makes adjustments to the Volumeric Efficieny, etc...

It's about double the price of some tuning stuff, but offers much more and easier...

Rafael

 

Sounds great! It's a major upgrade from just swapping chips or trying to get a decent mail order tune.

 

If it's the car you have listed, an 88, it's a MAF car...
The EBL requires you to change over to MAP, repin stuff on ECM (pins come out with a paper clip), but it will run upto a 3 bar map sensor (30psi), run correct size fuel injectors (so no mechanical adjustable fuel thingy (i can't remember the proper name) and can also work with a wideband 02 sensor...

Rafael

 

Yeah it's for the '88. That's not that much work to set up.

 

It's been awhile but I was able to get close to mid 12's with just intake and exhaust boltons. I didn't use the fmu that came in the D1SC kit but used a 730 computer with code $58 at the time.

 

Haven't posted in ages here either. Tony I had a good read on your belt tensioner thread, and think that I'm going to give that a try this year. Thank you for putting that up.

A number of years ago I put a P1SC 3 core system on my 85 Trans Am, LB9 (belt setup from a 92 GTA). It worked really well with the exception of having some alignment issues that hopefully will be worked out when I finally put everything back together.

Most it ever saw was around 9#, but would wind down to 6-7 above 4k RPM, couldn't ever decide if I thought it was the belt slipping or that ol' smokey was starting to wear out. No tuning at all using the FMU provided with the kit. Probably going do essentially the same this year but with an L05 bottom and L98 top end.

The car went from a whopping 175rwhp to a more respectable 278, and from a 15.1@89 to 13.5@101.