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+1 on the GoodParts stuff. I ended up increasing the diameter of
the studs holding the rockers down (I think from 5/16 to 3/8), still
using ARP stuff. I actually broke a 5/16 ARP rear stud.<br><br>
Regards, Tony<br><br>
At 02:01 PM 9/2/2016, Barry Munson wrote:<br>
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Hi Steve =96 Go to Goodparts (Richard Good) website and check out the
complete setup that he offers for the TR3-4 engines. I have 2 complete
sets one for each of my performance engines (10.5:1 and 12.5:1). They are
superb quality and absolutely bullet proof =96 I have definitive proof to
back this claim up but that=E2=80=99s for another discussion. Are they reall=
y
worth the effort - there=E2=80=99s absolutely none, they bolt right in with =
no
modifications. However you do have to use an alloy valve cover or
purchase an aluminum spacer from him, to allow rocker arm clearance under
the stock valve cover. Worth the price that=E2=80=99s hard to answer as I=E2=
=80=99m
sure that you will get lots of opinions both for and against especially
when you consider the use that we are putting our engines to and the
amount of stress that we are subjecting the components to. Are roller
rockers overkill ?????. For what it=E2=80=99s worth when I asked my machinis=
t,
whose business is building V8 push rod engines for oval and drag racing,
for efficiency of operation and durability they=E2=80=99re the only way to g=
o.
Subjective I know but he showed me all the benefits on an drag engine
under construction which made the decision really easy for me.<br>
Benefits of the Goodparts kit:<br>
- Rockers are constructed from
high strength alloy with ball bearings in both the shaft end and the tip
and available in 1.55 and 1.65 ratios;<br>
- Rocker shaft hardened;<br>
- Pedestals are high strength
alloy and the end pedestals have an extension that supports both ends of
the shaft with additional clamping at the ends;<br>
If you decide to go with roller rockers I would recommend (heartily) that
you purchase ARP pedestal studs with nuts and washers and, push rods from
Smith Brothers. I can give you part numbers and specifications for both
if you want them.<br>
<br>
I=E2=80=99m sure that your question will lead to an interesting string.<br>
<br>
Barry.<br>
<br>
<br>
<b>From:</b> Fot
[<a href=3D"mailto:fot-bounces@autox.team.net"; eudora=3D"autourl">
mailto:fot-bounces@autox.team.net</a>] <b>On Behalf Of </b>STEPHEN
BOROWSKI<br>
<b>Sent:</b> Friday, September 02, 2016 9:53 AM<br>
<b>To:</b> FOT List<br>
<b>Subject:</b> [Fot] Which Roller Rockers for racing TR4<br>
<br>
Hello All,<br>
Are Roller Rockers really worth the effort & price? Which ones ?
What's the best set up for the TR4? <br>
<br>
Thxs. Steve<br>
<br>
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