Just to put this to rest... (The slotted and drilled rotors) someone explain why companies sell these? With present day brake pads, gases are no longer produced... So that argument doesn't work. Heat reduction? Less surface area = less thermal transfer... So that doesn't work.
Only a few very...
Slotted and drilled are for brake pad material used about 40 years ago. It allowed trapped gases to escape. If your going BBK you should be concerned with maximum effective pad contact area. Slotted and drilled are not good as they reduce contact area and add stress points that shouldn't be...
Should only be 2 reasons... weight (cuz racecar) or its broke, not replacement. (Of course there is just to shave the exterior a bit... but I believe in functionality... although I have never used mine.)
Well the problem is, we are limited to what's available and reasonable. To run a 7m above 350 rwhp (perfectly fine on 550's/Lexus AFM if you don't mind wasting a ton of fuel protecting the engine), ideally you should run a very high octane to prevent the timing advance from creating heat issues...
My car is running a standalone HKS FCON Vpro (data being pulled today to see if anything shows up as being wrong), so was tuned for the car.
I am running stock fuel rail and originally was wondering if the fuel was getting starved at 5-6 just die to rail size, but with a 288 lph fuel pump...
I'm at the point that I'm going to have to spend money anyway. If I rebuild the 7m, I'm going to have to magnaflux everything to make sure I'm not building a damaged engine and then I would replace the Pistons with blanks that get a pin offset put in (for better knock control and run chromoly...
When the trany locked up it sounded like someone hit my engine with a 20 lb sledge hammer. A black cloud came out of the back that was bigger than the car. Scared the crap out of me... Especially at that speed. No idea what the cars I was passing thought... Lol. No idea if it truly lifted the...
The 7m platform is okay, but best for someone who does his own work. If you build for 300-350 rwhp, it's fine, but once you start going after real power, you have to monitor things. I learned a lot so far... Lol.
If I rebuild the 7m I will be going water meth because the head can't handle the...
The question relates to that I know have to build a 7m. Again
With all the problems that the 7m is renowned for, I am investigating alternatives and the two that strike me as smartest is the 2jz or LS1 swap... Both for different reasons.
Basically, I want input from people who have walked this...
The transmission was built wrong (Jack Transmission Stage 2) and fifth gear would slip out. Jack told me to use it and he would build me a stage 3 R154 to replace it and cover the cost involved.
While driving home from my daughters (a 5 hour cruise) I was passing two cars, was at 12-14 psi of...
Yeah, I'm at the point with my 88, that I'm tired of beating the 7m donkey. Easy to bulletproof at stock setup, but take it to 400 rwhp and its finicky
Not really a loss, but thanks! I consider it part of the "mod" game.
Lim hoping kaizen sends me a ballpark figure for a 2jzgte VVTI swap soon, but I think I may be pulling out of the 7m game.
The Ls1 option was solely due to engine size/weight/hp/torque and availability of parts. Every swap...
So, my head has suffered from a bit of detonation and was pushing exhaust into the intake side of the headgasket on 5/6. All this after a massive amount of time and money to ensure this doesn't happen and a locked up R154 under boost that kind of ensured it did happen...
I am considering my...
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