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--e89a8fb1edf4b9cd370525dc41b4
On the3 race roadsters I crewed for (SCCA G-Prod), we ran stock caliper,
rotors, and race pads. With 8" wide slicks, we could still lock up the
brakes.
The only sane reason to do a Volvo or Toyota brake swap is cost.
Paul
Ohio
On Tue, Dec 1, 2015 at 3:19 PM, Dave Sommers via Datsun-roadsters <
datsun-roadsters@autox.team.net> wrote:
> It's a perception thing because they are not power boosted. Most don't
> really need the brake change and a poorly executed swap is the worst thing
> you could do. On the track the larger area of pad and bigger disk to
> absorb and dissipate the generated heat may be of value. But many racing
> classes don't allow a major brake change. Most drivers will never go
> harder than the stock brakes are capable of handling anyway. With good pads
> It takes several really hard laps of really hard braking to get beyond
> them.
>
> The braking effort is limited by the tire contact patch and friction
> generated there. If you go to much bigger rotors, really large area of
> brake pad contact and then much bigger sticky tires, a bigger brake set up
> can be of use in high performance driving. Otherwise the stock brake set
> up is pretty good if you keep them maintained and adjusted properly.
>
> But what the heck do I know. Truth of the matter would be G force and
> distance tests, stock versus modified but each with the same tire set up.
>
> Dave Sommers
> Dive Hatteras llc
> www.divehatteras.com
> 703-517-3724 boat phone
> 703-818-1850
>
> On Dec 1, 2015, at 1:38 PM, Gary McCormick via Datsun-roadsters <
> datsun-roadsters@autox.team.net> wrote:
>
> Except for parts availability I have never understood the Volvo brake
> conversion. The front brakes on the Roadster are the same as used on the
> Jensen Interceptor, a car which weighs nearly twice as much as a Roadster.
>
> Gary McCormick
> San Jose, CA
> 1970 SRL211-13291
>
> ------------------------------
> *From:* Roy Haslett via Datsun-roadsters <datsun-roadsters@autox.team.net>
> *To:* Datsun Roadster List <datsun-roadsters@autox.team.net>
> *Sent:* Tuesday, December 1, 2015 10:30 AM
> *Subject:* [Roadsters] BaT
>
> Did you guys see this??
>
>
> Autocross Tuned 1969 Datsun 2000 Roadster
> <http://bringatrailer.com/2015/11/30/autocross-tuned-1969-datsun-2000-roadster/>
>
>
> [image: image]
> <http://bringatrailer.com/2015/11/30/autocross-tuned-1969-datsun-2000-roadster/>
>
>
>
>
>
> Autocross Tuned 1969 Datsun 2000 Roadster
> <http://bringatrailer.com/2015/11/30/autocross-tuned-1969-datsun-2000-roadster/>
> This 1969 Datsun 2000 Roadster (chassis SRL31107161) has been set up for
> autocross work with many upgrades including bigger Volvo front disc brakes,
> t...
> View on bringatrailer.com
> <http://bringatrailer.com/2015/11/30/autocross-tuned-1969-datsun-2000-roadster/>
> Preview by Yahoo
>
>
>
> ________________________________________
>
> datsun-roadsters@autox.team.net
>
> Donate: http://www.team.net/donate.html
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>
>
>
>
> ________________________________________
>
> datsun-roadsters@autox.team.net
>
> Donate: http://www.team.net/donate.html
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>
>
> ________________________________________
>
> datsun-roadsters@autox.team.net
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/archive
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>
>
>
>
--e89a8fb1edf4b9cd370525dc41b4
Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr"><div><div><div>=C2=A0 On the3 race roadsters I crewed for =
(SCCA G-Prod), we ran stock caliper, rotors, and race pads.=C2=A0 With 8&qu=
ot; wide slicks, we could still lock up the brakes.<br><br></div>=C2=A0 The=
only sane reason to do a Volvo or Toyota brake swap is cost.<br><br></div>=
Paul<br></div>Ohio<br></div><div class=3D"gmail_extra"><br><div class=3D"gm=
ail_quote">On Tue, Dec 1, 2015 at 3:19 PM, Dave Sommers via Datsun-roadster=
s <span dir=3D"ltr"><<a href=3D"mailto:datsun-roadsters@autox.team.net"; =
target=3D"_blank">datsun-roadsters@autox.team.net</a>></span> wrote:<br>=
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div dir=3D"auto"><div>It's a perception=
thing because they are not power boosted. Most don't really need the b=
rake change and a poorly executed swap is the worst thing you could do. =C2=
=A0<span style=3D"background-color:rgba(255,255,255,0)">On the track the la=
rger area of pad and bigger disk to absorb and dissipate the generated heat=
may be of value.=C2=A0 But many racing classes don't allow a major bra=
ke change.=C2=A0 Most drivers will never go harder than the stock brakes ar=
e capable of handling anyway. With good pads It takes several really hard l=
aps of really hard braking to get beyond them.=C2=A0</span></div><div><span=
style=3D"background-color:rgba(255,255,255,0)"><br></span></div><div>The b=
raking effort is limited by the tire contact patch and friction generated t=
here. =C2=A0 If you go to much bigger rotors, really large area of brake pa=
d contact and then much bigger sticky tires, a bigger brake set up can be o=
f use in high performance driving.=C2=A0 Otherwise the stock brake set up i=
s pretty good if you keep them maintained and adjusted properly. =C2=A0</di=
v><div><br></div><div>But what the heck do I know.=C2=A0 Truth of the matte=
r would be G force and distance tests, stock versus modified but each with =
the same tire set up.=C2=A0</div><div><br></div><div>Dave Sommers<div>Dive =
Hatteras llc</div><div><a href=3D"http://www.divehatteras.com"; target=3D"_b=
lank">www.divehatteras.com</a></div><div><span><a href=3D"tel:703-517-3724"=
value=3D"+17035173724" target=3D"_blank">703-517-3724</a> boat phone</span=
></div><div><span><a href=3D"tel:703-818-1850" value=3D"+17038181850" targe=
t=3D"_blank">703-818-1850</a></span></div></div><div><div class=3D"h5"><div=
><br>On Dec 1, 2015, at 1:38 PM, Gary McCormick via Datsun-roadsters <<a=
href=3D"mailto:datsun-roadsters@autox.team.net"; target=3D"_blank">datsun-r=
oadsters@autox.team.net</a>> wrote:<br><br></div><blockquote type=3D"cit=
e"><div><div style=3D"color:#000;background-color:#fff;font-family:garamond=
,new york,times,serif;font-size:24px"><div>Except for parts availability I =
have never understood the Volvo brake conversion. The front brakes on the R=
oadster are the same as used on the Jensen Interceptor, a car which weighs =
nearly twice as much as a Roadster.</div><div><br></div><div>Gary McCormick=
</div><div>San Jose, CA</div><div>1970 SRL211-13291<br></div><div><span></s=
pan></div><br> <div style=3D"font-family:garamond,new york,times,serif;fon=
t-size:24px"> <div style=3D"font-family:HelveticaNeue,Helvetica Neue,Helvet=
ica,Arial,Lucida Grande,sans-serif;font-size:16px"> <div dir=3D"ltr"> <hr s=
ize=3D"1"> <font size=3D"2" face=3D"Arial"> <b><span style=3D"font-weight:b=
old">From:</span></b> Roy Haslett via Datsun-roadsters <<a href=3D"mailt=
o:datsun-roadsters@autox.team.net" target=3D"_blank">datsun-roadsters@autox=
.team.net</a>><br> <b><span style=3D"font-weight:bold">To:</span></b> Da=
tsun Roadster List <<a href=3D"mailto:datsun-roadsters@autox.team.net"; t=
arget=3D"_blank">datsun-roadsters@autox.team.net</a>> <br> <b><span styl=
e=3D"font-weight:bold">Sent:</span></b> Tuesday, December 1, 2015 10:30 AM<=
br> <b><span style=3D"font-weight:bold">Subject:</span></b> [Roadsters] BaT=
<br> </font> </div> <div><br><div><div><div style=3D"color:#000;background-=
color:#fff;font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida =
Grande,sans-serif;font-size:16px"><div>Did you guys see this??</div><div><b=
r></div><div><br></div><div dir=3D"ltr"><a rel=3D"nofollow" href=3D"http://=
bringatrailer.com/2015/11/30/autocross-tuned-1969-datsun-2000-roadster/" ta=
rget=3D"_blank">Autocross Tuned 1969 Datsun 2000 Roadster</a><br></div><div=
style=3D"width:450px;font-family:'Georgia','Times','Ti=
mes New Roman','serif';margin-top:5px;margin-bottom:5px;backgro=
und-color:#ffffff"><table style=3D"width:450px;height:170px;display:block" =
border=3D"0" cellpadding=3D"0" cellspacing=3D"0"><tbody><tr><td colspan=3D"=
8" style=3D"height:1px;background-color:#e5e5e5;font-size:1px;border-collap=
se:collapse"><div style=3D"min-height:1px;background-color:#e5e5e5;font-siz=
e:1px;line-height:0px">=C2=A0</div></td></tr><tr><td rowspan=3D"5" style=3D=
"width:1px;background-color:#e5e5e5;font-size:1pt;border-collapse:collapse"=
><div style=3D"width:1px;background-color:#e5e5e5;font-size:1pt">=C2=A0</di=
v></td><td rowspan=3D"5" style=3D"vertical-align:middle;width:168px;height:=
168px;background-color:rgb(255,255,255);border-collapse:collapse"><div styl=
e=3D"width:168px" align=3D"center"><a rel=3D"nofollow" href=3D"http://bring=
atrailer.com/2015/11/30/autocross-tuned-1969-datsun-2000-roadster/" style=
=3D"text-decoration:none;text-decoration:none;color:#000000" target=3D"_bla=
nk"><img alt=3D"image" src=3D"https://s.yimg.com/vv//api/res/1.2/dqo7YWDI2k=
6EtNBSarv3cg--/YXBwaWQ9bWFpbDtmaT1maWxsO2g9MTY4O3c9MTY4/http://vpstestbring=
atrailercom.c.presscdn.com/wp-content/uploads/2015/11/01313_6jGk9derDnR_600=
x4501.jpg.cf.jpg" style=3D"display:block;margin:auto" height=3D"168" width=
=3D"168"></a></div></td><td rowspan=3D"5" style=3D"width:1px;background-col=
or:#e5e5e5;font-size:0pt;border-collapse:collapse"><div style=3D"width:1px;=
background-color:#e5e5e5;font-size:1pt">=C2=A0</div></td><td rowspan=3D"5" =
style=3D"width:14px;background-color:#ffffff;font-size:0pt;border-collapse:=
collapse"><div style=3D"width:14px;background-color:#ffffff;font-size:14pt"=
>=C2=A0</div></td><td colspan=3D"2" style=3D"height:6px;background-color:#f=
fffff;font-size:0pt;border-collapse:collapse"><div style=3D"min-height:6px;=
background-color:#ffffff;font-size:6pt">=C2=A0</div></td><td rowspan=3D"5" =
style=3D"width:20px;background-color:#ffffff;font-size:0pt;border-collapse:=
collapse"><div style=3D"width:20px;background-color:#ffffff;font-size:20pt"=
>=C2=A0</div></td><td rowspan=3D"5" style=3D"width:1px;background-color:#e5=
e5e5;font-size:1pt;border-collapse:collapse" width=3D"1"><div style=3D"widt=
h:1px;background-color:#e5e5e5;font-size:1pt">=C2=A0</div></td></tr><tr><td=
colspan=3D"2" style=3D"width:100%;vertical-align:middle;font-family:'G=
eorgia','Times','Times New Roman','serif'"><div=
style=3D"line-height:16.5px;background-color:#ffffff;min-height:135px;widt=
h:245px"><div style=3D"word-wrap:break-word"><span></span><span></span><a r=
el=3D"nofollow" href=3D"http://bringatrailer.com/2015/11/30/autocross-tuned=
-1969-datsun-2000-roadster/" style=3D"text-decoration:none;text-decoration:=
none;color:#000000;line-height:100%;font-size:18px;display:block" target=3D=
"_blank"><span style=3D"margin:0;font-weight:normal;margin-bottom:3px;font-=
size:18px;line-height:21px;max-height:43px;color:#000000;overflow:hidden;di=
splay:inline-block">Autocross Tuned 1969 Datsun 2000 Roadster</span></a><di=
v style=3D"font-size:13px;line-height:20px;color:#999999;max-height:81px;fo=
nt-family:'Georgia','Times','Times New Roman','=
serif';overflow:hidden">This 1969 Datsun 2000 Roadster (chassis SRL3110=
7161)=C2=A0has been set up for autocross work with many upgrades including =
bigger Volvo front disc brakes, t...</div></div></div></td></tr><tr><td col=
span=3D"2" style=3D"height:4px;background-color:#ffffff;font-size:0pt;borde=
r-collapse:collapse"><div style=3D"min-height:4px;background-color:#ffffff;=
font-size:4pt"></div></td></tr><tr><td style=3D"vertical-align:middle;font-=
family:'Arial','Helvetica Neue','Helvetica','sa=
ns-serif'"><div style=3D"font-size:0pt"><a rel=3D"nofollow" href=3D"htt=
p://bringatrailer.com/2015/11/30/autocross-tuned-1969-datsun-2000-roadster/=
" style=3D"color:black;text-decoration:none;text-decoration:none" target=3D=
"_blank"><span style=3D"display:inline-block;line-height:11px;max-width:145=
px;min-width:85px;overflow:hidden;max-height:13px"><span style=3D"vertical-=
align:middle;font-size:9px;line-height:11px;color:#999999">View on <span st=
yle=3D"font-weight:bold">bringatrailer.com</span></span></span></a></div></=
td><td style=3D"vertical-align:middle;width:100px;font-family:'Arial=
9;,'Helvetica Neue','Helvetica','sans-serif'"><div =
style=3D"max-width:100px;min-width:80px;overflow:hidden;text-align:right;li=
ne-height:11px;max-height:13px;font-size:0pt"><span style=3D"vertical-align=
:middle;font-size:9px;line-height:11px;color:#999999">Preview by Yahoo</spa=
n></div></td></tr><tr><td colspan=3D"2" style=3D"height:9px;background-colo=
r:#ffffff;font-size:0pt;border-collapse:collapse"><div style=3D"min-height:=
9px;background-color:#ffffff;font-size:9pt"></div></td></tr><tr><td colspan=
=3D"8" style=3D"height:1px;background-color:#e5e5e5;font-size:1px;border-co=
llapse:collapse"><div style=3D"min-height:1px;background-color:#e5e5e5;font=
-size:1px;line-height:0px">=C2=A0</div></td></tr></tbody></table></div><div=
><br></div></div></div></div><br>________________________________________<b=
r><br><a href=3D"mailto:datsun-roadsters@autox.team.net"; target=3D"_blank">=
datsun-roadsters@autox.team.net</a><br><br>Donate: <a href=3D"http://www.te=
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rs/gkmcc@sbcglobal.net</a><br><br><br><br><br></div> </div> </div></div></d=
iv></blockquote></div></div><blockquote type=3D"cite"><div><div><div class=
=3D"h5"><span>________________________________________</span><br><span></sp=
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