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Topic Review (Newest First)
02-28-2013 06:51 PM
Custom10
Quote:
Originally Posted by vinniekq2 View Post
camaro 355 what does stroking an engine have to do with the cam duration? Your last 2 posts on this thread,I dont understand?
do you have any math to go with your statements?
I think what he is trying to say is that more stroke & cubes will tend to tame out the ruff idle and low rpm "slug" effect of a higher duration cam.

300 adversized duration in a 283 will be allot harder to deal with on the street than 300 in a 383 kinda thing, just thinking out loud
02-28-2013 06:13 PM
fastnloud
Quote:
Originally Posted by vinniekq2 View Post
the tach appears to be over reading imo.
post a driving vid when you get one.Its always appreciated and a good motivator for others to see and hear
It's a brand new Autometer tach, and it said it came factory calibrated for v8's. I'll try to get a driving vid.
02-28-2013 06:10 PM
vinniekq2 the tach appears to be over reading imo.
post a driving vid when you get one.Its always appreciated and a good motivator for others to see and hear
02-28-2013 05:58 PM
fastnloud
Quote:
Originally Posted by vinniekq2 View Post
fastnloud,engine sounds good.
might want to get a different tach
Thanks Why a different tach?
02-28-2013 05:37 PM
vinniekq2 fastnloud,engine sounds good.
might want to get a different tach
02-28-2013 03:22 PM
fastnloud Thought I would bump this thread up, it now has a Holley 750 double pumper on it, it's quicker for sure.

Also, made a video of the truck. (it hesitates to start for a second, because i had the choke in the wrong position)

01-27-2013 03:40 PM
fastnloud Yeah, the truck runs great, though like was suggested earlier a little bigger carb could help out I think.

As I mentioned I'm looking for a 750 cfm carb. Do you guys recommend something with vacuum secondaries? Also, should I go for single or double pumper?
01-27-2013 02:56 PM
techinspector1 camaro355, please read through this tutorial by Dimi Elgin of Elgin Cams. It will lay the groundwork for you to understand camshafts.....
http://www.crankshaftcoalition.com/w..._Dimitri_Elgin
01-27-2013 02:46 PM
vinniekq2 camaro 355 what does stroking an engine have to do with the cam duration? Your last 2 posts on this thread,I dont understand?
do you have any math to go with your statements?
01-27-2013 02:38 PM
camaro355 if you have to much duration its not going to make it run any better unless the motor has been stroked if it has a stock stroke your going to be dumping to much fuel and air into the motor thus not going to run right remember you can easily over cam a motor
01-27-2013 02:25 PM
vinniekq2 camaro 355,using less duration does not have anything to do with the lobe separation angle.
01-27-2013 02:17 PM
camaro355 sounds like not enough compression for that cam
01-27-2013 02:12 PM
camaro355 less duration on the cam would help you have to have a tighter lobe seperation in order to make the most power and step up on the carb a little and for the cam i would run around a 274 duration for the build you have going and about a 2500 stall to get the truck going
01-26-2013 07:18 PM
fastnloud Bumping this thread up, I've been looking around at some used carbs because I'm wanting to get a 750.

I've found a Jegs 750 carb locally, that I might can get a good deal on.

Does anyone know which company actually makes the Jegs carbs?
01-02-2013 11:10 PM
thinwhiteduke For what its worth, I have the same heads (Sportsman ll's) advertised at 64cc. I cc'd mine and they bang on 61cc's with valves in, no plugs.

Duke
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