5.3 For racing
10-19-2017, 01:46 PM
#11
In the LS1 world they have been when people tried to spin them hard.
While both rods are powered metal, The Later rods being beiffer retained their dimensions and resisted Bending much easier.
They have been reported to being spun in the 7K range and as much as 1400 Hp with forced induction. While the earlier rarely survive over 6500 and usually die anywhere from 500-700 range depending on application and RPM.
While both rods are powered metal, The Later rods being beiffer retained their dimensions and resisted Bending much easier.
They have been reported to being spun in the 7K range and as much as 1400 Hp with forced induction. While the earlier rarely survive over 6500 and usually die anywhere from 500-700 range depending on application and RPM.
10-19-2017, 01:58 PM
#14
Back in the day, they told me the same thing about the 265 low lift cam that's just a little smaller than that cam.
They recomended a smaller cam with around .500 lift and like 208 duration or something on a wide LSA 115 or 116
10-19-2017, 03:42 PM
#15
so with truck intake, 4.8 pistons, cam mentioned, ported heads.. think i can get 400ish?
The goal is to make good power, without running 114 octane and having a 7500$ bottom end like my current 5.7 has..
The goal is to make good power, without running 114 octane and having a 7500$ bottom end like my current 5.7 has..
11-11-2017, 02:34 PM
#18
Int
Use the newer style truck intake manif,
it uses the larger 4 BOLT 87mm T/B
and you'll pick up more HP/TQ every where.
that cam looks good to me. IMHO i would
pick up a set of Gen4 rods if you will be spinning
that motor at a hi-rpm a lot. there fairly cheap used.
look for a set of 243 or 799 heads there about the
best stockers to run.
it uses the larger 4 BOLT 87mm T/B
and you'll pick up more HP/TQ every where.
that cam looks good to me. IMHO i would
pick up a set of Gen4 rods if you will be spinning
that motor at a hi-rpm a lot. there fairly cheap used.
look for a set of 243 or 799 heads there about the
best stockers to run.
Last edited by turboal1; 11-11-2017 at 02:41 PM.
06-15-2018, 10:50 AM
#19
Alright guys, Reviving my own old thread, This project suffered from major delays but is finally on the verge of first startup..
The final specs of the motor ended up:
Comp Cams XR275
918 Springs
PRC 60CC stage 2.5 heads with 2.02 intake valves
Speed pro flat tops
Truck intake
Double Roller COmp chain
GMPP ported oil pump
Balanced Bottom end
Clevite Bearings
Sealed power rings
Patriot E-rod Headers ( chassis clearance)
FItech ULTIMATE LS engine controller
Walboro inline pump and corvette filter/regulator
summit stock lifters
Comp .080 magnum 7.3" pushrods
The final issue... Injectors? Am i correct assuming the stockers will in no way keep up?
Looking at the DW 44 or 60Lb/Hr direct fit truck injectors.
The final specs of the motor ended up:
Comp Cams XR275
918 Springs
PRC 60CC stage 2.5 heads with 2.02 intake valves
Speed pro flat tops
Truck intake
Double Roller COmp chain
GMPP ported oil pump
Balanced Bottom end
Clevite Bearings
Sealed power rings
Patriot E-rod Headers ( chassis clearance)
FItech ULTIMATE LS engine controller
Walboro inline pump and corvette filter/regulator
summit stock lifters
Comp .080 magnum 7.3" pushrods
The final issue... Injectors? Am i correct assuming the stockers will in no way keep up?
Looking at the DW 44 or 60Lb/Hr direct fit truck injectors.
