Typical Budget turbo build
Hi, I wanted to get some thoughts and suggestions on my build plan. I plan on going turbo on my 1.8 and keeping a over all budget of $3000 for pretty much everything. I know $3k isnt really super budget but its the cheapest you can go with decent quality parts. My overall goal for the build is to have a reliable set up because its my daily, so 200-220whp is what im tryna achieve. Here is a rundown of parts im going to use:
Revent Manifold and downpipe (also comes with oil and water lines, egr blockoff, and hardware) ISR T25 turbo Flyin Miata level 1 clutch Cx Racing intercooler DIY intercooler piping Rx8 Yellow Injectors Megasquirt pnp Innovate wideband Autometer boost gauge NGR type-s BOV Tune This pretty much everything i plan on using. Im not factoring in stuff like labor (doing all the work myself), fluids, and other little things. Im pretty confidant this can be a reliable setup only thing Im worried about is my open diff. I heard they cant handle much over 200 whp. |
1.8 open diffs can easily handle 300+
they don't do a good job of putting the power down, but they wont break |
Skip RX8 injectors and get FlowForce or DIY the FlowForce injectors. All the RX8 injectors that have flooded the market are knockoffs from China and are not as good as the original ones.
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Perfect plan. 1.8 Open is fine and will hold the power.
Second the Flow Force injectors. Before doing anything else, get the MSPNP and wideband in and get a handle on tuning. The learning curve is like running face first into a brick wall. It will take a few weeks to get a good handle on how it all works. |
Thanks for the responses. Also im using the Rx8 injectors because i already have oem ones that i got second hand for next to nothing, but the Flow Force injectors sounds like a good upgrade in the future.
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Originally Posted by 18psi
(Post 1387553)
1.8 open diffs can easily handle 300+
they don't do a good job of putting the power down, but they wont break I thought they broke all the time when boosted, which is why folks recommended getting the torsen when boosting. Or is the torsen rec for the second statement, i.e. traction? |
Originally Posted by ridethecliche
(Post 1387742)
Wait, really?
I thought they broke all the time when boosted, which is why folks recommended getting the torsen when boosting. Or is the torsen rec for the second statement, i.e. traction? |
Originally Posted by x_25
(Post 1387756)
The earlier 1.6 diffs are the ones known for exploding. They are a smaller 6" ring gear while the 1.8 diffs are 7" and much stronger. Most people recommend the torsen for the later reason and if you are swapping from a 1.6 to a 1.8, may as well get the good one.
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an open can likely handle more than the torsen because it never really gets stressed: whenever overwhelmed it just sends all power to 1 tire and spins it off
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