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Old 05-03-2019, 08:33 AM   #17
Railcarmover
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Join Date: Apr 2017
Location: Sacramento
Posts: 1,262
Default Re: Who has the best Tillotson rebuild kit?

Quote:
Originally Posted by brett4christ View Post
I have a stash of Holley 94's, but I've had several comment that I would be over-carbing with nothing more than a head swap. More carb calls for more cam and more intake flow (valves), and I don't want to go that deep just yet.
Science is science,it trumps comments.Model A engine CFM and single Holley 94/stromberg 97 CFM flow are very close..Jetted correctly with the right power valve it meets the engines air flow capacity spot on,yielding the engines best performance. What you are planning to do is noble,but you're denying yourself one of the two areas that has the most impact on the model a's engine performance,compression and fuel.You're raising compression,raise fuel..and do something about exhaust,a straight pipe with a resonator off the model a exhaust manifold will let it breathe some.

http://www.rennerscorner.com/index.html

renners corner for tillotson pars
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