Erik's 349whp 9.8cm LR2.4
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Joined: Jan 2004
Posts: 11,406
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From: Northwest
It's detonation or excessive torque on stock rods. There are tuners that like to run as much timing as the can down low (and maybe knock free) but they fail to realise what that does to cylinder head temp by the time they are at 6k. I have seen cracked pistons in 4G63s that I never thought would happen before it kicked a rod out but its relative to the overall tune. Evo X do it because of ring gap and the same scenario. The tuners that make HUGE torque down low (on a 2.0L) dont realise the crap they're setting themselves up for down the road...or they plan on blaming the owner, who knows.
aaron
Last edited by JohnBradley; Jan 29, 2013 at 05:22 PM.
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Joined: Jan 2004
Posts: 11,406
Likes: 78
From: Northwest
I'm building something very similar with a TD05HRA-16G6-9.8T (my orginal 7 turbo) and S2s as well. Thanks for the info.
Thread Starter
Joined: Jan 2004
Posts: 11,406
Likes: 78
From: Northwest
Brandon's 394whp pull had a Titek O2 housing where the 349whp car has a stock O2 housing still. That is a pretty big difference as far as torque but obviously will affect peak power as well.
So I was thinking the turbo runs out of juice but then the S2 pops in and makes nearly 50hp and 100ftlb/s and then there is talk of the O2 housing holding things back. 02=50hp and 100ftlb/s?! Any thoughts on how the S3 would have rocked?
To answer some questions:
The stock block did me justice for a long time. Was pretty much these mods except for a stock 2.0 and lasted 92k with original turbo. However had what Im thinking the tensioner fail and caused my timing to skip and crashed my valves into piston #1. Block was still good, but figured to go to a 2.4 set up. Original numbers were 304whp/312 tq tuned by English.
The exact mods are:
-Buschur supplied internals
10:1 compression
Manley turbo tuff rods
Manley pistons
-HKS 264 intake 272 exhaust ( original owner of car had these new in box and decided to go with them since when i bought the evo it was new on the market and these were the some of the best cams at the time) Plan on swapping to larger with turbo upgrade
-Ported head with +1 supertech valves with GSC titanium springs and retainers
-Ported stock exhaust manifold
-Walbro 255 fuel pump
- Injen intake and intercooler pipes
-Eboost 2 setup
-3" downpipe with magnaflow exhaust (also on car when i bought it)
Far as my intentions in the future with the vehicle. Funds got low, so going to break car in and over next couple months upgrade intercooler, injectors, fuel pump, etc.. basically to get ready to run the larger turbo. At the time still a little undecided with what turbo route to go.
The stock block did me justice for a long time. Was pretty much these mods except for a stock 2.0 and lasted 92k with original turbo. However had what Im thinking the tensioner fail and caused my timing to skip and crashed my valves into piston #1. Block was still good, but figured to go to a 2.4 set up. Original numbers were 304whp/312 tq tuned by English.
The exact mods are:
-Buschur supplied internals
10:1 compression
Manley turbo tuff rods
Manley pistons
-HKS 264 intake 272 exhaust ( original owner of car had these new in box and decided to go with them since when i bought the evo it was new on the market and these were the some of the best cams at the time) Plan on swapping to larger with turbo upgrade
-Ported head with +1 supertech valves with GSC titanium springs and retainers
-Ported stock exhaust manifold
-Walbro 255 fuel pump
- Injen intake and intercooler pipes
-Eboost 2 setup
-3" downpipe with magnaflow exhaust (also on car when i bought it)
Far as my intentions in the future with the vehicle. Funds got low, so going to break car in and over next couple months upgrade intercooler, injectors, fuel pump, etc.. basically to get ready to run the larger turbo. At the time still a little undecided with what turbo route to go.
Thread Starter
Joined: Jan 2004
Posts: 11,406
Likes: 78
From: Northwest
Aaron
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