Suspension & Brakes Theory, alignment, spring rates....

DC2 vs. DB8.. which handles better?

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Old Mar 11, 2005 | 09:21 AM
  #1  
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Default DC2 vs. DB8.. which handles better?

Topic says it all. Does the integra sedan handle better than its 2-inch shorter hatchback brother?

The first thing I want to discuss is turn-in. With the longer wheelbase, the sedan will have less sharp steering, making it more stable at high speeds. Less turn-in will require more driver input, but isn't inherently detrimental to the car's handling.

Another important point is the front-to-rear weight bias. The sedan is closer to the ideal 50/50 bias than the hatchback. This translates into a more neutral car, and traction is spread more evenly at the limit.

The last thing to take note of is the B-pillar in the sedan. The B-pillar seperates the front and rear doors, and of course the hatch lacks this. This pillar adds chassis rigidity at its weakest point--the middle of the car.

Do the combination of these things equal the sedan being faster at the track?
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Old Mar 17, 2005 | 07:54 AM
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Default Re: DC2 vs. DB8.. which handles better? (Greenery18)

Well you kind of answered your own questions along the way. In any case, I hope so because I want to get a DB8 now.
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Old Mar 17, 2005 | 10:44 AM
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Default Re: DC2 vs. DB8.. which handles better? (Vbp6us)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Vbp6us &raquo;</TD></TR><TR><TD CLASS="quote">Well you kind of answered your own questions along the way. In any case, I hope so because I want to get a DB8 now. </TD></TR></TABLE>


DB8s OWNNNNNN!!!
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Old Mar 17, 2005 | 12:51 PM
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Default Re: DC2 vs. DB8.. which handles better? (SheDrivesA_dB8)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SheDrivesA_dB8 &raquo;</TD></TR><TR><TD CLASS="quote"> DB8s OWNNNNNN!!! </TD></TR></TABLE>

uhh ok ..... but WTF does that have to do with the subject? Thanks for the pointless post
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Old Mar 17, 2005 | 04:49 PM
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Default Re: DC2 vs. DB8.. which handles better? (nonsense)

i still think the dc would handle better...
but the db tegs may handle better in some sittuations

i don't know...interesting topic
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Old Mar 17, 2005 | 05:06 PM
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Default Re: DC2 vs. DB8.. which handles better? (R-Spec)

Bump cause this is a good topic for debate... if any. From your current explanation, I'm thinking the DB8 would be the bigger of the 2 brothers.
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Old Mar 17, 2005 | 06:01 PM
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Default Re: DC2 vs. DB8.. which handles better?

Some things i've thought about:

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Greenery18 &raquo;</TD></TR><TR><TD CLASS="quote">Do the combination of these things equal the sedan being faster at the track? </TD></TR></TABLE>
the sedans are heavier so they will be slower at the track.
a good comparison would be a ITR hatch and a ITR sedan with some weight reduction done to it

and the 50/50 weight bias isn't really ideal on a FF, imo...less traction on the rear is good, so the rear will rotate easier (more oversteer)
more weight to the front is good so the front tires don't loose traction and cause understeer...
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Old Mar 18, 2005 | 10:08 AM
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Default Re: DC2 vs. DB8.. which handles better? (R-Spec)

When it's all said and done, I'll take the lightest one.
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Old Mar 18, 2005 | 01:02 PM
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Default Re: DC2 vs. DB8.. which handles better? (R-Spec)

iirc the weight difference between sedans and coupes is about 150lbs, someone correct me if I'm wrong.
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Old Mar 18, 2005 | 05:58 PM
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Default Re: DC2 vs. DB8.. which handles better? (Greenery18)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Greenery18 &raquo;</TD></TR><TR><TD CLASS="quote">Another important point is the front-to-rear weight bias. The sedan is closer to the ideal 50/50 bias than the hatchback.</TD></TR></TABLE>
50/50 is not ideal for an FF car.

The sedan may have a little more weight located toward the rear, but that's all it is - more weight. I'd rather have less weight overall than more weight in the rear.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote &raquo;</TD></TR><TR><TD CLASS="quote">This translates into a more neutral car, and traction is spread more evenly at the limit.</TD></TR></TABLE>
No it doesn't, and not really.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote &raquo;</TD></TR><TR><TD CLASS="quote">The last thing to take note of is the B-pillar in the sedan. The B-pillar seperates the front and rear doors, and of course the hatch lacks this. This pillar adds chassis rigidity at its weakest point--the middle of the car.</TD></TR></TABLE>
Umm, the hatchback also has a B-pillar. It also has large solid quarter panels instead of big open spaces where the rear doors go . . .

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote &raquo;</TD></TR><TR><TD CLASS="quote">Do the combination of these things equal the sedan being faster at the track? </TD></TR></TABLE>
No.

Chassis rigidity does not necessarily make a car faster. Nor do a longer wheelbase, and a heavier rear end. These all may make the car "feel better" to the driver and be easier to control, but can arguably be slower at the track.

All the theory you can come up with won't make a car faster - in the end, the only thing that matters is the lap time.
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Old Mar 25, 2005 | 05:08 AM
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Default Re: DC2 vs. DB8.. which handles better? (Noob4life)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Noob4life &raquo;</TD></TR><TR><TD CLASS="quote">iirc the weight difference between sedans and coupes is about 150lbs, someone correct me if I'm wrong.</TD></TR></TABLE> You could be right but i could of swarn i really some were on google that it was 75lbs difference..
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Old Mar 25, 2005 | 05:09 AM
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Default Re: DC2 vs. DB8.. which handles better? (BamBoOsteD)

O well what ever it is ..Just gonna have to make more power out of it and drive it harder
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Old Mar 25, 2005 | 06:09 AM
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Default Re: DC2 vs. DB8.. which handles better? (Greenery18)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Greenery18 &raquo;</TD></TR><TR><TD CLASS="quote">Less turn-in will require more driver input, but isn't inherently detrimental to the car's handling.</TD></TR></TABLE>

Judging by this statement, I'm guessing you don't participate in any forms of motorsports.

Therefore, this is just a bench racers' debate about a topic of which they have no real knowledge.

Awesome.
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Old Apr 18, 2005 | 01:46 PM
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Default Re: DC2 vs. DB8.. which handles better? (Vbp6us)

good information to have.
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Old Apr 19, 2005 | 07:51 AM
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Default

at tsukba circuit the DB8 R was 1-1.5 second slower per lap than the DC2 R
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Old Apr 19, 2005 | 08:31 PM
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Default Re: (SecretAgent)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SecretAgent &raquo;</TD></TR><TR><TD CLASS="quote">at tsukba circuit the DB8 R was 1-1.5 second slower per lap than the DC2 R</TD></TR></TABLE>


yeah i remember that race.....however, the extra weight and possibly driver's lap consistancy could have played a large role in the slower times, not necessarily an issue of "handling"


to throw some input into your question greenery, we would THINK that because it has a longer wheelbase than it's dc2 brother, it would have the advantage in handling, but i guess we'll never know until we get more db/dc autoX/circuit runs
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Old Apr 20, 2005 | 12:45 AM
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Default Re: DC2 vs. DB8.. which handles better? (R.S.)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by R.S. &raquo;</TD></TR><TR><TD CLASS="quote">i still think the dc would handle better...
but the db tegs may handle better in some sittuations

i don't know...interesting topic </TD></TR></TABLE>

I would go with the db8 if its frame recieved the same treatment a type r recieves... spot/seam welding proper braces yada yada... 4 door would be whoopin some ***.
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Old Apr 20, 2005 | 03:20 AM
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Default Re: (SpoonFedHatch)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SpoonFedHatch &raquo;</TD></TR><TR><TD CLASS="quote">to throw some input into your question greenery, we would THINK that because it has a longer wheelbase than it's dc2 brother, it would have the advantage in handling</TD></TR></TABLE>
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Old Apr 22, 2005 | 12:09 AM
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Default Re: DC2 vs. DB8.. which handles better? (Noob4life)

your rite. my db8 weighed in at 2750 my boys dc2 weighed in at 2600
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Old Apr 22, 2005 | 12:10 AM
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Default Re: DC2 vs. DB8.. which handles better? (DownshiftDb8)

weighed it at the local raceway.
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Old Apr 22, 2005 | 09:42 AM
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Default Re: DC2 vs. DB8.. which handles better? (DownshiftDb8)

my db7 weighed in at 2550
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