Re: 2007 - 2008 GSX-R1000 Oil Pan Revisions
Quote:
Originally Posted by
ghickman
Jim
Mystery solved...You've got one of the improved pans then.
Fantastic! I wasn't looking forward to having to replace the pan again, since it would have taken a couple of weeks and well over $1000 with shipping and duties. Progress is being made in a forward direction again. I installed the engine, the rear spring/damper crossmember, and the rear springs and dampers today. Also posted an update on Youtube:
Formula 1000 Race Car Build Update 5
Thanks for the help. I'll post a link to your oil pans on my blog.
-Jim
C o n g r a t u l a t i o n s !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
after years of following your thread it was great to see the fruition of your effort, you did it!
(and i just got the sound to work on my tv LOL)
1 Attachment(s)
Cockpit Frame Tube Thickness
A while ago I recall seeing a comment on ApexSpeed that said all the frame tubes on the cockpit sides must be a minimum of 1" x 0.080". I remember it referred to a section of the rules other than where you would normally go for that information, but now I can't find it. As I read the GCR, all tubes that connect the main roll hoop forward braces to both the front roll hoop and the main floor rails must be at least that size, but other tubes are not specified. Here' s the applicable section of the GCR:
"C. Roll Cage Bracing
1. The main hoop must have 2 forward braces extending from the
hoop and attached to the frame, monocoque, or front hoop.
Braces must be attached as near as possible to the top of the
hoop but must not be more than 6 inches below the top and
at an included angle of at least 30 degrees. If these braces do
not extend to the front hoop, an additional brace or gusset (14
gauge - .078” minimum thickness) must be installed between
the lower frame rail and the upper frame rail at the point of
attachment of the forward hoop brace. If these braces do not
extend to the front hoop, an additional brace or gusset must
be installed at the point of attachment to the main rear hoop or
lower frame rail or other major frame member in such a manner
as to reinforce the attachment point to help prevent collapse
of the frame rail at the point of attachment. These tubes shall
be 1” x .080” minimum and gussets shall be 14 gauge - .078”
minimum thickness."
So which of the tubes in the attached photo need to be 1" x 0.080"? I don't want to prejudice the answer by saying what I think first, other than it clearly includes A, B, & C...
Thanks,
-Jim
Re: Roll Cage Brace Rule Change
Thanks for all the responses, everybody! I had not seen that rule change that allows thinner chrome-moly bracing.
As I read it, the main roll hoop forward braces must still be 1" x 0.080" all the way from the main roll hoop to the floor and from the main roll hoop to the front roll hoop due to the first paragraph in 9.4.5.C.1, unless that statement is meant to be overridden by the new text in the second paragraph. If they want the new text to rule, they should remove the words "tubes shall be 1” x .080” minimum and" from the first paragraph. I would have to guess that they intended for the second paragraph to rule because otherwise the rule change isn't really a rule change at all. That also leaves the question of which paragraph the FB rule is referring to when it says "The material used for the chassis braces in this area shall be at least equivalent to the roll hoop brace material" when talking about the cockpit sides.
Sigh...
-Jim
Current Hot Setup for Tires & Wheels
Now on to new business...
What is considered the current hot setup in wheel and tire dimensions? I have 8x13 front and 10x13 rear, but I've heard the rears won't get hot enough and (independent of temperature) cause unnecessary drag. By the way, my Thai racer friend laughed when I said the words "tires won't get hot enough". Usually not a problem here :), I guess...
For the first test I have Hoosier 22x9x13 R25 fronts and 22.5x10x13 R25 rears. What would be good starting pressures for these tires? Hoosier says ask the car manufacturer, but that's me.
The car's drivable; all that's left is race prep before the first test.
Thanks,
-Jim