#1Gaza's '06 6MT sedan build thread - Honda Accord Forum : V6 Performance Accord Forums
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Old June 5th, 2019, 05:22 PM   #1
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#1Gaza's '06 6MT sedan build thread

Welp, I made a build thread on Acurazine, partly to get my post count up there so I can PM people in the classifieds, but also because it gets more traffic these days. But since V6P has taught me so much about my car, I figured I may as well make a thread here too.

To recap where I'm at currently, I bought the car in Feb 2018 as a DD/family car that's also fun to drive, reliable, 4 doors, good gas mileage, can run on regular fuel - basically all the things that make the Accord 6MT Sedan a great car. But some notable weak points soon showed themselves, mostly a really crappy feeling clutch, brakes that barely stopped the car, and a sloppy and understeery chassis. Also, the transmission popped out of first gear anytime I let off the gas, and I got an occasional 3rd gear popout. So, I started researching, and the mods started to follow.

Current mods:

Full front brake upgrade with Legend GS calipers / Accord coupe rotors and brackets, hi-carbon rotors, and Wagner Thermoquiet pads front and rear.

New slave cylinder with check valve delete

GM Synchromesh transmission fluid

19mm RSB from an '03 Acura TL-S and new endlinks.

Intake resonator delete

polished intake manifold

RV6 precat deletes

I've also done a bunch of maintenance work. Time-sert repair in cylinder 5 after a spark plug blowout, new spark plugs and the cylinder 5 coil pack, full timing belt kit with water pump, tensioner and pulleys, valve adjustment, replaced a bent rim with an '02 TL-S junkyard rim, and replaced all 4 tires. The previous owner appears not to have done any maintenance work to speak of other than oil changes.

So: after all this, I have recently hatched some pretty big plans for the car.

In the next month or so, I'm going to fully port the throttle body, intake manifold and runners.

Then, I'm going to start buying parts for the real big plans. The thought right now is to buy a junkyard 04-06 Acura TL 3.2 engine and do a full rebuild with new bearings and rings and send the crank and block out to a machine shop for honing and a clearance check. Then I'd like to get some RL heads because of the stiffer springs and better cams and do a bit of porting to them. Then I'll get a TL ECU, a new clutch and flywheel, and throw it all in the car. The hope is that I'll end up with a basically brand new engine good for another 150k miles at the least, along with the increased performance from displacement.

I'm trying to do all this on a real tight budget. Expensive upgrades like the 3.7 throttle body/intake manifold and Hondata are probably not in the cards. I'm really just looking for the reliability aspect with a bit of a power bump as a bonus. I'd LOVE to do a 3.5 or 3.6 stroker build if there was some way to run it without tuning, but from what I've read any sort of big build like that needs a tune to run properly. A tune = Hondata. Hondata = $1500. Plus a new crank and rods will run me at least $800 more than what I'm currently planning (hoping to reuse the crank, pistons and rods from the stock TL).
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Old June 8th, 2019, 05:30 PM   #2
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Pics?
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Old June 8th, 2019, 07:03 PM   #3
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Pics?
. Lol the guys on acurazine want pics too. Idk what pics are gonna do for ya, it’s a 100% stock looking ‘06 accord 6 speed sedan, carbon bronze pearl with tan leather interior. Not lowered and on stock rims. Good shape but zero obvious mods unless I crack the hood, at which point the only difference from a stock engine is the missing intake resonator and precat deletes. I’ll take some pics when the TL engine project gets up and going.
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Old August 8th, 2019, 01:35 PM   #4
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Quick update:
I got promoted at work and I’m getting a new F150 as a work truck and daily driver. I am going to keep the Accord as a fun project car. I have some thoughts about autocross and focusing more on dropping weight and improving handling, but I want to do a motor build too. This will be a multi year project in all likelihood so maybe both! Budget is still tight, but Hondata isn’t totally out of the question. A 3.5 or 3.6 build does sound so tempting.
At any rate nothing is going to happen real soon, August in SC is like living in an oven and work is rather busy, and my 4th child is coming in September. Probably won’t make much headway on the car until later September/October.
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Old August 11th, 2019, 12:07 PM   #5
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Originally Posted by #1Gaza View Post
Quick update:
I got promoted at work and Iím getting a new F150 as a work truck and daily driver. I am going to keep the Accord as a fun project car. I have some thoughts about autocross and focusing more on dropping weight and improving handling, but I want to do a motor build too. This will be a multi year project in all likelihood so maybe both! Budget is still tight, but Hondata isnít totally out of the question. A 3.5 or 3.6 build does sound so tempting.
At any rate nothing is going to happen real soon, August in SC is like living in an oven and work is rather busy, and my 4th child is coming in September. Probably wonít make much headway on the car until later September/October.
maybe consider replacing the accord with more autocorss/race appropriate frame, such as light weight RWD/AWD.
Very front heavy FWD with lack of chassis/frame stiffness will be very hard to overcome even with lots of money into it.
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Old Yesterday, 04:05 PM   #6
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Actually, running a chassis that is different than anything anyone else is running is appealing to me. I like to be different. The other option is buying my buddy's '91 toyota mr2 project car. But I'd sell the Accord to do that, and well, I love the Accord. Long-term I'm unsure what direction I'll go. But for now I own the Accord.

What I have done in the last week is put the Accord on a weight loss program. I started by removing the spare tire, jack and tools. Then I removed the floor mats and did a full clean-out of the cabin - yanked all my junk, emptied the cubbies, cleaned under the seats, etc.

I then removed the subframe damper, the damper that is bolted to the bottom of the trunk lid, some sound deadening that is behind the trunk liner on the sides of the trunk, and the trunk floor mat which is actually a piece of wood with carpet on one side and foam on the other.

All together I was able to remove 65 lbs off of the factory curb weight of the car, not counting all of my own crap I removed from the cabin (approx 80 lbs of junk I was driving with).

It makes a remarkable difference. Acceleration, handling, and braking are all quite improved. I wouldn't think removing 145lbs would make that much of a difference but it sure as hell does.

Now my goal is to make the front end lighter. The car feels nose heavy after pulling all the weight out of the trunk without removing anything from the engine bay. If I can figure out a way to cheaply DIY a battery relocation, I think that would really help the cause. Lighter battery is certainly going in at the least. I also want to get an Accord hybrid hood (thin aluminum, lighter than carbon fiber) and replace the front bumper crash beam with a piece of aluminum I think I can fabricate from a used aluminum cage I have at work.

Once I do all that I'll decide whether its worth the effort to replace all the suspension bushings and joints (which are all in various stages of needing replacement) and rework the suspension with some kind of coilover setup and camber for autocross work. Then I'll move on to the 3.5 build.
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