Looking at getting another Boxster S, need advice on performance upgrades

[rcracer_tx]

Thanks for the reply.

I really would never consider a "bastard child" car with another manufactures motor. I can push the budget to 40k for the car, and I figure if I spend 15k on a 03-04 boxster s with high mileage, I couldn't imagine spending over 25k for the engine upgrades.

Rebuilding the motor

Nickies sleeving with JE pistons $4200
Custom billet connecting rods $1700
Head porting and polishing ~$1000
shaft regrinding ~$750?
Headers ~$1500
Exhaust $1000
Intake $400
IPD Plenum/ TB ~$1400
Fuel injectors ~$900
Billet tensioner $300
IMS retrofit ~$1000
Engine tuning ~$1500-2000

Total in parts is around 16k, and I have a great affordable Porsche specialist around that would do all that for 6-8k based on the work he's done for me/ people I know in the past

I'm considering doing the Flat 6 course and doing the work Myself. ( as long as you are systematic building an engine is not that difficult and I have a good friend whos been build high hp cars for 20+ years that could help)

[harryrcb]

Originally Posted by rcracer_tx

Thanks for the reply.

I really would never consider a "bastard child" car with another manufactures motor. I can push the budget to 40k for the car, and I figure if I spend 15k on a 03-04 boxster s with high mileage, I couldn't imagine spending over 25k for the engine upgrades.

Rebuilding the motor

Nickies sleeving with JE pistons $4200
Custom billet connecting rods $1700
Head porting and polishing ~$1000
shaft regrinding ~$750?
Headers ~$1500
Exhaust $1000
Intake $400
IPD Plenum/ TB ~$1400
Fuel injectors ~$900
Billet tensioner $300
IMS retrofit ~$1000
Engine tuning ~$1500-2000

Total in parts is around 16k, and I have a great affordable Porsche specialist around that would do all that for 6-8k based on the work he's done for me/ people I know in the past

I'm considering doing the Flat 6 course and doing the work Myself. ( as long as you are systematic building an engine is not that difficult and I have a good friend whos been build high hp cars for 20+ years that could help)

If you want that kind of power, find a salvage motor out of a 997 S and tune it, but you might need bigger brakes, etc. 20k should do all that, motor suspension and brakes. good luck, keep us up to date on what you do. thanks

[rcracer_tx]

Originally Posted by harryrcb

If you want that kind of power, find a salvage motor out of a 997 S and tune it, but you might need bigger brakes, etc. 20k should do all that, motor suspension and brakes. good luck, keep us up to date on what you do. thanks

How much is a 997s engine and electronics? As far as brakes, i would do pads and brake fluid, which seems to be very effective on the forum it seems?

[Pat]

Yeah, unless you're doing some serious tracking of the car (i.e. full cage), good fluid and pads should be plenty. I really don't see how it's possible to overwork Big Reds on the street with good pads as long as you're driving at least a little responsibly.

[harryrcb]

Originally Posted by rcracer_tx

How much is a 997s engine and electronics? As far as brakes, i would do pads and brake fluid, which seems to be very effective on the forum it seems?

Softronic would have the program to update your dme for the conversion for around 1300. Engines its seems lately are harder to find because so many have done the conversion allready they used to be around 10k last one I found was around 15k you have to shop around. this is what I want to do to my car but I dont have the time right now. Another choice is to turbo, it's relatavely safe because they are running only 5 psi boost but make around 365RWHP , currently I'm working on a kit for around 6500 it's still in the funding phase.
good luck, keep us posted.

[Cloudsurfer]

My LN sleeved 3.8 hauls &@*, and should be plenty more reliable than a stock M97 3.8, and makes more power.

If you start with a 3.6 you do not need injectors.

I am currently running RoW 3.6 X51 software, but am planning a tune, probably by EPL in the spring. Over the winter, the car may be getting solid lifters and "race" cams.

I would NOT go the turbo route on anything but a built engine.

[rcracer_tx]

Originally Posted by Cloudsurfer

My LN sleeved 3.8 hauls &@*, and should be plenty more reliable than a stock M97 3.8, and makes more power.

If you start with a 3.6 you do not need injectors.

I am currently running RoW 3.6 X51 software, but am planning a tune, probably by EPL in the spring. Over the winter, the car may be getting solid lifters and "race" cams.

I would NOT go the turbo route on anything but a built engine.

Yeah, I thinking a built block is better than an engine swap at the moment, but I am not sure. Look forward to hearing your input.

[Banana S]

OP: Are you part of this class action?

N54 Class Action

The fuel pump issue is well known by now. That's the only thing keeping me from buying a 335i as my daily driver.