Subject: Re: [Fot] Performance cam for a street TR4

From: Chuck Gee via Fot <[email-masked]>
Date: Wed, 19 Mar 2025 22:24:15 -0400

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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto">Thanks Bill. &nbsp;I plan on using 87mm pis=
tons already so maybe I=E2=80=99ll just shave the head a little to get more c=
ompression too.<div><br id=3D"lineBreakAtBeginningOfSignature"><div dir=3D"l=
tr">Chuck</div><div dir=3D"ltr"><br><blockquote type=3D"cite">On Mar 19, 202=
5, at 10:11=E2=80=AFPM, Ponostyle &lt;[email-masked]&gt; wrote:<br><br><=
/blockquote></div><blockquote type=3D"cite"><div dir=3D"ltr">=EF=BB=BF<meta h=
ttp-equiv=3D"Content-Type" content=3D"text/html; charset=3Dutf-8">Hi Chuck,<=
div class=3D"">&nbsp;I'm sure you=E2=80=99ll get plenty of recommendations, b=
ut honestly, if all you=E2=80=99re going to do is a stock rebuild, then a di=
fferent cam won=E2=80=99t do much other than screw with your powerband. If y=
ou=E2=80=99re not going to change anything else, the only worthwhile change i=
s displacement, and even that is of limited benefit. &nbsp; &nbsp;<br class=3D=
""><div class=3D"">
<div><b class=3D"">Bill Babcock</b><br class=3D""><i class=3D"">Beach Bum</i=
><br class=3D""><a href=3D"mailto:[email-masked]" class=3D"">bill@ponost=
yle.com</a><br class=3D"">https://www.Ponostyle.com<br class=3D""></div>

</div>
<div><br class=3D""><blockquote type=3D"cite" class=3D""><div class=3D"">On M=
ar 19, 2025, at 2:25 PM, Chuck Gee via Fot &lt;<a href=3D"mailto:[email-masked]=
eam.net" class=3D"">[email-masked]</a>&gt; wrote:</div><br class=3D"Appl=
e-interchange-newline"><div class=3D""><div class=3D"">So it looks like I ha=
ve to rebuild the motor on my street TR4. &nbsp;The current motor is stock a=
nd could use a little more performance. &nbsp;Does anyone have a better than=
 stock cam they are willing to part with? &nbsp;Preferably something I can u=
se with stock valve springs, but that=E2=80=99s not a deal breaker. &nbsp;<b=
r class=3D""><br class=3D"">If you don=E2=80=99t have a cam for sale, do you=
 have a good recommendation?<br class=3D""><br class=3D"">Thanks,<br class=3D=
""><br class=3D"">Chuck<br class=3D"">______________________________________=
_________<br class=3D""><a href=3D"mailto:[email-masked]" class=3D"">fot=
@autox.team.net</a><br class=3D""><br class=3D"">http://www.fot-racing.com<b=
r class=3D""><br class=3D"">Donate: http://www.team.net/donate.html<br class=
=3D"">Archive: http://autox.team.net/archive http://www.team.net/pipermail/f=
ot<br class=3D"">Unsubscribe/Manage: http://autox.team.net/mailman/options/f=
ot/[email-masked]<br class=3D""><br class=3D""><br class=3D""></div></di=
v></blockquote></div><br class=3D""></div></div></blockquote></div></body></=
html>=

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_______________________________________________
[email-masked]

http://www.fot-racing.com

Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot

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From: Bill Babcock via Fot <[email-masked]>
Date: Wed, 19 Mar 2025 16:53:06 -1000

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Welcome to the rabbit hole.=20

> On Mar 19, 2025, at 4:24 PM, [email-masked] wrote:
>=20
> Thanks Bill.  I plan on using 87mm pistons already so maybe I=E2=80=99ll=
 just shave the head a little to get more compression too.
>=20
> Chuck
>=20
>> On Mar 19, 2025, at 10:11=E2=80=AFPM, Ponostyle <[email-masked]> =
wrote:
>>=20
>> =EF=BB=BFHi Chuck,
>>  I'm sure you=E2=80=99ll get plenty of recommendations, but honestly, =
if all you=E2=80=99re going to do is a stock rebuild, then a different =
cam won=E2=80=99t do much other than screw with your powerband. If =
you=E2=80=99re not going to change anything else, the only worthwhile =
change is displacement, and even that is of limited benefit.   =20
>> Bill Babcock
>> Beach Bum
>> https://www.Ponostyle.com
>>=20
>>> On Mar 19, 2025, at 2:25 PM, Chuck Gee via Fot <[email-masked] =
>>>=20
>>> So it looks like I have to rebuild the motor on my street TR4.  The =
current motor is stock and could use a little more performance.  Does =
anyone have a better than stock cam they are willing to part with?  =
Preferably something I can use with stock valve springs, but that=E2=80=99=
s not a deal breaker. =20
>>>=20
>>> If you don=E2=80=99t have a cam for sale, do you have a good =
recommendation?
>>>=20
>>> Thanks,
>>>=20
>>> Chuck
>>>=20
>>>=20
>>> Donate: http://www.team.net/donate.html
>>> Archive: http://autox.team.net/archive =
http://www.team.net/pipermail/fot
>>> Unsubscribe/Manage: =
http://autox.team.net/mailman/options/fot/[email-masked]
>>>=20
>>>=20
>>=20

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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" =
class=3D"">Welcome to the rabbit hole.&nbsp;<br class=3D""><div><br =
class=3D""><blockquote type=3D"cite" class=3D""><div class=3D"">On Mar =
19, 2025, at 4:24 PM, <a href=3D"mailto:[email-masked]" =
class=3D"">[email-masked]</a> wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><meta =
http-equiv=3D"content-type" content=3D"text/html; charset=3Dutf-8" =
class=3D""><div dir=3D"auto" class=3D"">Thanks Bill. &nbsp;I plan on =
using 87mm pistons already so maybe I=E2=80=99ll just shave the head a =
little to get more compression too.<div class=3D""><br =
id=3D"lineBreakAtBeginningOfSignature" class=3D""><div dir=3D"ltr" =
class=3D"">Chuck</div><div dir=3D"ltr" class=3D""><br =
class=3D""><blockquote type=3D"cite" class=3D"">On Mar 19, 2025, at =
10:11=E2=80=AFPM, Ponostyle &lt;<a href=3D"mailto:[email-masked]" =
class=3D"">[email-masked]</a>&gt; wrote:<br class=3D""><br =
class=3D""></blockquote></div><blockquote type=3D"cite" class=3D""><div =
dir=3D"ltr" class=3D"">=EF=BB=BF<meta http-equiv=3D"Content-Type" =
content=3D"text/html; charset=3Dutf-8" class=3D"">Hi Chuck,<div =
class=3D"">&nbsp;I'm sure you=E2=80=99ll get plenty of recommendations, =
but honestly, if all you=E2=80=99re going to do is a stock rebuild, then =
a different cam won=E2=80=99t do much other than screw with your =
powerband. If you=E2=80=99re not going to change anything else, the only =
worthwhile change is displacement, and even that is of limited benefit. =
&nbsp; &nbsp;<br class=3D""><div class=3D"">
<div class=3D""><b class=3D"">Bill Babcock</b><br class=3D""><i =
class=3D"">Beach Bum</i><br class=3D""><a =
href=3D"mailto:[email-masked]" class=3D"">[email-masked]</a><br =
class=3D""><a href=3D"https://www.Ponostyle.com" =
class=3D"">https://www.Ponostyle.com</a><br class=3D""></div>

</div>
<div class=3D""><br class=3D""><blockquote type=3D"cite" class=3D""><div =
class=3D"">On Mar 19, 2025, at 2:25 PM, Chuck Gee via Fot &lt;<a =
href=3D"mailto:[email-masked]" class=3D"">[email-masked]</a>&gt; =
wrote:</div><br class=3D"Apple-interchange-newline"><div class=3D""><div =
class=3D"">So it looks like I have to rebuild the motor on my street =
TR4. &nbsp;The current motor is stock and could use a little more =
performance. &nbsp;Does anyone have a better than stock cam they are =
willing to part with? &nbsp;Preferably something I can use with stock =
valve springs, but that=E2=80=99s not a deal breaker. &nbsp;<br =
class=3D""><br class=3D"">If you don=E2=80=99t have a cam for sale, do =
you have a good recommendation?<br class=3D""><br class=3D"">Thanks,<br =
class=3D""><br class=3D"">Chuck<br =
class=3D"">_______________________________________________<br =
class=3D""><a href=3D"mailto:[email-masked]" =
class=3D"">[email-masked]</a><br class=3D""><br class=3D""><a =
href=3D"http://www.fot-racing.com" =
class=3D"">http://www.fot-racing.com</a><br class=3D""><br =
class=3D"">Donate: http://www.team.net/donate.html<br class=3D"">Archive: =
http://autox.team.net/archive http://www.team.net/pipermail/fot<br =
class=3D"">Unsubscribe/Manage: =
http://autox.team.net/mailman/options/fot/[email-masked]<br =
class=3D""><br class=3D""><br =
class=3D""></div></div></blockquote></div><br =
class=3D""></div></div></blockquote></div></div></div></blockquote></div><=
br class=3D""></body></html>=

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From: Chuck Gee via Fot <[email-masked]>
Date: Wed, 19 Mar 2025 22:24:15 -0400

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From: Bill Babcock via Fot <[email-masked]>
Date: Wed, 19 Mar 2025 17:02:15 -1000

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TR3/4 motor flows like a pillow is stuffed over the intake. One change =
leads to another. With an intake manifold that looks like it was cast =
using plumbing parts and valves in the wrong places, there=E2=80=99s a =
limit to what a cam, bigger pistons, and a little more compression can =
do. Increasing compression is a great idea, but then the rods and crank =
start needing frequent attention. Next thing, you'll want to rev past =
4500, you maniac.=20

recommendation?

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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">TR3/4=
 motor flows like a pillow is stuffed over the intake. One change leads =
to another. With an intake manifold that looks like it was cast using =
plumbing parts and valves in the wrong places, there=E2=80=99s a limit =
to what a cam, bigger pistons, and a little more compression can do. =
Increasing compression is a great idea, but then the rods and crank =
start needing frequent attention. Next thing, you'll want to rev past =
4500, you maniac.&nbsp;<div class=3D""><br class=3D""><div><br =
class=3D""><blockquote type=3D"cite" class=3D""><div class=3D"">On Mar =
19, 2025, at 4:24 PM, <a href=3D"mailto:[email-masked]" =
class=3D"">[email-masked]</a> wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><meta =
http-equiv=3D"content-type" content=3D"text/html; charset=3Dutf-8" =
class=3D""><div dir=3D"auto" class=3D"">Thanks Bill. &nbsp;I plan on =
using 87mm pistons already so maybe I=E2=80=99ll just shave the head a =
little to get more compression too.<div class=3D""><br =
id=3D"lineBreakAtBeginningOfSignature" class=3D""><div dir=3D"ltr" =
class=3D"">Chuck</div><div dir=3D"ltr" class=3D""><br =
class=3D""><blockquote type=3D"cite" class=3D"">On Mar 19, 2025, at =
10:11=E2=80=AFPM, Ponostyle &lt;<a href=3D"mailto:[email-masked]" =
class=3D"">[email-masked]</a>&gt; wrote:<br class=3D""><br =
class=3D""></blockquote></div><blockquote type=3D"cite" class=3D""><div =
dir=3D"ltr" class=3D"">=EF=BB=BF<meta http-equiv=3D"Content-Type" =
content=3D"text/html; charset=3Dutf-8" class=3D"">Hi Chuck,<div =
class=3D"">&nbsp;I'm sure you=E2=80=99ll get plenty of recommendations, =
but honestly, if all you=E2=80=99re going to do is a stock rebuild, then =
a different cam won=E2=80=99t do much other than screw with your =
powerband. If you=E2=80=99re not going to change anything else, the only =
worthwhile change is displacement, and even that is of limited benefit. =
&nbsp; &nbsp;<br class=3D""><div class=3D"">
<div class=3D""><b class=3D"">Bill Babcock</b><br class=3D""><i =
class=3D"">Beach Bum</i><br class=3D""><a =
href=3D"mailto:[email-masked]" class=3D"">[email-masked]</a><br =
class=3D""><a href=3D"https://www.Ponostyle.com" =
class=3D"">https://www.Ponostyle.com</a><br class=3D""></div>

</div>
br class=3D""></div></body></html>=

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