4G63 2.3 versus 4G64 Long-Rod 2.4
Aug 10, 2007 | 05:01 AM
#46
Newbie
Joined: May 2007
Posts: 44
Likes: 0
From: London
All this talk of balancer shafts is all well and good, but the balancer shafts are under no extra load than they are on the standard engine unless you increase the rev limit.
If sticking to the stock rev limit, which frankly you shouldn't need to go beyond, more so on a longer stroker larger capacity engine, then why are the balancer shafts likely to be any more problematic than on the standard engine?
If sticking to the stock rev limit, which frankly you shouldn't need to go beyond, more so on a longer stroker larger capacity engine, then why are the balancer shafts likely to be any more problematic than on the standard engine?
Aug 10, 2007 | 10:55 AM
#47
Who says they are ok on a standard engine with the stock rev limit? Plenty of stock DSM motors spun the balance shaft bearings or locked up and tossed the belt into the main timing belt at some point in its life. Not worth the risk, if you have the oppurtunity to take them out, as I mentioned previously.
The main reason the shafts should be removed is the liability that comes from a shaft spinning at about twice the motor's RPM. 
The bearings can lock up and spin and cause all kinds of trouble. The belt can break, the shrapnel of which then takes out your main tbelt. Etc. Not worth the risk IMO, I remove them any time the motor is out of the car.
The bearings can lock up and spin and cause all kinds of trouble. The belt can break, the shrapnel of which then takes out your main tbelt. Etc. Not worth the risk IMO, I remove them any time the motor is out of the car.
Sep 28, 2007 | 07:02 PM
#48
The Crower 2.4L stroker kit was designed by Brian Crower and Rc Developments,needs some machine work done to the block,102mm crank.This kit is run in Rc´s cars which are doing very well in Time Attack,for this kit to work well you need the head and inlet manifold from Rc Developments
The 2.3L stroker kit runs a 100mm crank which is the cheaper option between the two.I have the 2.3 from Buschur and am not changing back to 2.0L for drag racing because of the advantages from higher revving
The 2.3L stroker kit runs a 100mm crank which is the cheaper option between the two.I have the 2.3 from Buschur and am not changing back to 2.0L for drag racing because of the advantages from higher revving
Feb 23, 2009 | 05:33 AM
#50
Evolving Member
Joined: Aug 2005
Posts: 282
Likes: 0
From: Mooresville, NC
subscribed to a thread that hadn't been bumped in 18 months
I still vote long rod for dwell at TDC (and ALL of its benefits) and for the added RPM capable so long as the system is developed correctly.
I still vote long rod for dwell at TDC (and ALL of its benefits) and for the added RPM capable so long as the system is developed correctly.
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