Which of these heads would be better?
12-25-2011, 10:14 PM
#1
Which of these heads would be better?
AFR - 1041 - http://www.summitracing.com/parts/AFR-1041/
AFR - 0919 - http://www.summitracing.com/parts/AFR-0919/
SUM-162108 - http://www.summitracing.com/parts/SUM-162108/
EDL- 608719 - http://www.summitracing.com/parts/EDL-608719/
EDL- 5087 - http://www.summitracing.com/parts/EDL-5087/
My block is stock but here is what I have below:
1. Edelbrock Hi-Flow TPI Intake
2. Edelbrock TES (headers)
3. SLP Runners
4. LT1 cam
AFR - 0919 - http://www.summitracing.com/parts/AFR-0919/
SUM-162108 - http://www.summitracing.com/parts/SUM-162108/
EDL- 608719 - http://www.summitracing.com/parts/EDL-608719/
EDL- 5087 - http://www.summitracing.com/parts/EDL-5087/
My block is stock but here is what I have below:
1. Edelbrock Hi-Flow TPI Intake
2. Edelbrock TES (headers)
3. SLP Runners
4. LT1 cam
Last edited by Chevy86 IROC-Z; 12-25-2011 at 10:31 PM.
12-25-2011, 10:23 PM
#2
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Car: 1990 GTA
Engine: 350
Transmission: 700R4
Axle/Gears: 3.23
Re: Which of these heads would be better?
No such thing as better, you have to take the whole build into consideration before you choose a set of heads.
12-25-2011, 10:24 PM
#3
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Car: 2008 C6 / 1982 Trans Am
Engine: LS3 / Hybrid LS1-406 SBC
Transmission: 6L80 / 4L60E
Axle/Gears: 2.56:1 / 3.23:1 4th gen Posi
Re: Which of these heads would be better?
Yes, it depends on cam, intake and several other key items that need to all be matched to each other.
12-26-2011, 09:05 AM
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Re: Which of these heads would be better?
http://www.summitracing.com/parts/AFR-0919/
with the parts, intake, & cam you listed this is the best choice in my opinion, theres not much sense in selecting a larger head or one that flows more at higher lift than the cam and intake your using can supply and the 180cc AFR make outstanding mid rpm torque and decent hp with the parts you listed
with a high stall converter and a larger cam the 195cc AFR would have an edge but with a stock drive-train gearing and that cam and intake the 180cc would produce the best results
with the parts, intake, & cam you listed this is the best choice in my opinion, theres not much sense in selecting a larger head or one that flows more at higher lift than the cam and intake your using can supply and the 180cc AFR make outstanding mid rpm torque and decent hp with the parts you listed
with a high stall converter and a larger cam the 195cc AFR would have an edge but with a stock drive-train gearing and that cam and intake the 180cc would produce the best results
Last edited by grumpyvette; 12-26-2011 at 09:10 AM.
12-26-2011, 11:00 AM
#7
Re: Which of these heads would be better?
http://www.summitracing.com/parts/AFR-0919/
with the parts, intake, & cam you listed this is the best choice in my opinion, theres not much sense in selecting a larger head or one that flows more at higher lift than the cam and intake your using can supply and the 180cc AFR make outstanding mid rpm torque and decent hp with the parts you listed
with a high stall converter and a larger cam the 195cc AFR would have an edge but with a stock drive-train gearing and that cam and intake the 180cc would produce the best results
with the parts, intake, & cam you listed this is the best choice in my opinion, theres not much sense in selecting a larger head or one that flows more at higher lift than the cam and intake your using can supply and the 180cc AFR make outstanding mid rpm torque and decent hp with the parts you listed
with a high stall converter and a larger cam the 195cc AFR would have an edge but with a stock drive-train gearing and that cam and intake the 180cc would produce the best results
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12-26-2011, 11:39 AM
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Re: Which of these heads would be better?
Id really need to know which rear gear,ratio,your currently using,which transmission and tire diam, and whats your car weigh? and if you plan other future mods to the car, if your more interested in cruising or racing,if you have the trans modified with a shift kit,what rpm you want to,or currently have the transmission shift at to make an educated guess, but in most cases with that cam, and intake and its power range and common options used with them,a 2800-3000rpm stall is about right on a street car with the listed parts, but the rear gear ratio and other listed factors do effect the correct choice, Id suggest the 180cc heads rather than the 195cc afr unless you go with a larger cam, a 3.54:1-3.73:1 rear gear , better flowing intake etc. the difference is not huge, but talk to the tech guys at AFR and youll see what Im talking about
Last edited by grumpyvette; 12-26-2011 at 11:47 AM.
12-26-2011, 02:31 PM
#9
Re: Which of these heads would be better?
http://www.summitracing.com/parts/AFR-0919/
with the parts, intake, & cam you listed this is the best choice in my opinion, theres not much sense in selecting a larger head or one that flows more at higher lift than the cam and intake your using can supply and the 180cc AFR make outstanding mid rpm torque and decent hp with the parts you listed
with the parts, intake, & cam you listed this is the best choice in my opinion, theres not much sense in selecting a larger head or one that flows more at higher lift than the cam and intake your using can supply and the 180cc AFR make outstanding mid rpm torque and decent hp with the parts you listed
12-26-2011, 04:37 PM
#11
Re: Which of these heads would be better?
D/D, nope. Ive driven my Camaro about 600 miles in the last 9 months. But when I do take her out, I usually give her hell. I mean, it was built for speed right? Lol. Okay. Here we go.
My gear ratio is 3.27, 700R4 auto, stock torque converter (according to tranny shop, it's a 87 or up corvette 700R4, 245/50/R16. I do plan on getting the biggest computer compatible CompCams camshaft (IIRC, it's around.500 or so), I got a set of Summit aluminum rr 1.6 ratio. My plans are to cruise around and punch it when someone wants to play race. I would love to have the zz383, but I don't see that happening any time soon.
My gear ratio is 3.27, 700R4 auto, stock torque converter (according to tranny shop, it's a 87 or up corvette 700R4, 245/50/R16. I do plan on getting the biggest computer compatible CompCams camshaft (IIRC, it's around.500 or so), I got a set of Summit aluminum rr 1.6 ratio. My plans are to cruise around and punch it when someone wants to play race. I would love to have the zz383, but I don't see that happening any time soon.
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