Edelbrock for old schoolers
I am considering an LS1 for my old school hotrod. I have been advised to get a 6.0 truck motor as a first choice. I intend to put the Edelbrock carburetor, intake and timing computer kit on the motor.
Most everything I have read on here talks about the more common fuel injection applications, so I thought I would ask a few specific questions of your great community.
First off, I would like to know if anyone has any experience with this edelbrock carburetor set up. Did you find it reliable and well engineered? Any pitfalls or things to be aware of? How did yours perform?
Secondly, I would like to know what you all think of the matched 2215 cam that edelbrock offers for this set up.
The specs are:
Duration at 0.006" Lift: Intake: 300° Exhaust: 300°
Duration at 0.050" Lift: Intake: 220° Exhaust: 224°
Lift at Cam: Intake: 0.300" Exhaust: 0.300"
Lift at Valve: Intake: 0.510" Exhaust: 0.510"
Timing at 0.050" lift: Open Close
Intake: 2° BTDC 38° ABDC
Exhaust: 44° BBDC 4° BTDC
Centerlines: Lobe Separation - 111° Intake Centerline - 108°
I do like the lower .510 lift for longevity and reduced wear and tear.
Thanx for you input.
I have no info on the carb stuff for these motors, so sorry cant help you there.
However, I must say, on our street strip carburetor cars, we did not use a fancy advance curve. We would start the car on 10 degrees and set it up so all the timing was in by 3000. So, my old school self would probably never know the difference. LOL
I've got a 6010 box on my LS car and I start it with 15* and with the advance it has a total of 31* in by 2000 rpm but I still have to take 3 more degrees out of it
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GMPP Hot Cam:
218/227 int/exh @ 0.05" duration
0.525" / 0.525" int/exh lift
112 LSA
Edelbrock 2215 Cam:
Duration at 0.050" Lift: Intake: 220° Exhaust: 224°
Lift at Valve: Intake: 0.510" Exhaust: 0.510"
Centerlines: Lobe Separation - 111° Intake Centerline - 108°
Thunder Racing TR 220-112 Cam:
220/220
.551/.551
112 LSA
1500-6500 RPM
I am looking to get a little old school bumpedy cam sound, nice performance boost without killing reliability or drive-ability. I am thinking I don't want to go over .550" lift on this cam. I am supposing this will maximize reliability and longevity.
Can anyone share any personal experience with these cams or opinions on which one you would buy and why?
Last edited by speedtigger; May 23, 2010 at 03:29 PM.
BTW I have been running a fairly agressive XFI/X-ER Comp lobed cam for the past 30K with no issues whatsoever. It is a 230/234 in a 346 with nice DD manners. Point being I think you may be able to go a little more agressive than you think and still meet your reliability and drivability goals......
Also, regardless of the lobes you use I would have somebody spec a cam to match the intake you use. The shelf catalog grinds are matched to the plastic intakes most use on these motors.....
A good read >>>>> http://www.engpwrsys.com/tech-notes/cam-design.html
Last edited by SOMbitch; May 23, 2010 at 04:16 PM.
BTW I have been running a fairly agressive XFI/X-ER Comp lobed cam for the past 30K with no issues whatsoever. It is a 230/234 in a 346 with nice DD manners. Point being I think you may be able to go a little more agressive than you think and still meet your reliability and drivability goals......
Also, regardless of the lobes you use I would have somebody spec a cam to match the intake you use. The shelf catalog grinds are matched to the plastic intakes most use on these motors.....
A good read >>>>> http://www.engpwrsys.com/tech-notes/cam-design.html
Normally I would go straight to a cam with about 230 deg at .050 for a "hot rod" cam. But, I really don't want too "sloppy" of a converter. So, here I am on the tightrope between getting the bumpedy cam sound I want and a profile that won't be a pig with a tight converter. All the racers will say just get a looser converter but that is not my game. That is why I am looking at the milder cams.
The link to the cams you supplied all have really aggressive lifts of .600 or more. Not really what I am looking for.
From a specifications standpoint, all three of the above cams are about the same. I just don't know what the intake center line is on the Hot Cam and the TR 220 Cam. Anyone know the answer to that?
recorda in very competitive environment. So strong that many GT-1 cars
had trouble getting by this thing at Sebring and daytona.
Normally I would go straight to a cam with about 230 deg at .050 for a "hot rod" cam. But, I really don't want too "sloppy" of a converter. So, here I am on the tightrope between getting the bumpedy cam sound I want and a profile that won't be a pig with a tight converter. All the racers will say just get a looser converter but that is not my game. That is why I am looking at the milder cams.
The link to the cams you supplied all have really aggressive lifts of .600 or more. Not really what I am looking for.
From a specifications standpoint, all three of the above cams are about the same. I just don't know what the intake center line is on the Hot Cam and the TR 220 Cam. Anyone know the answer to that?
The TR220 ICL will be however you order it so if you order 111+2 it will be 109.
The hotcam is on a 112 LSA but IDK how much advance is ground in so I can't tell you.
BTW you can go up to a 224 and run ok with little to no convertor with your cubes. I run a Yank SS3600 and it is very tolerable for DD as it is tight for it's size. I think you should call Geoff at EPS and talk to an expert who lives and breathes this stuff. I just don't want you to limit the potential of the motor because of unecessary concerns. On the other hand maybe I just don't quite understand your expectations of the motor.
Whatever you choose I hope you are satisfied with your setup... GOOD LUCK





