Anyone running a 2.08" valve on a stock CID motor?
05-01-2007, 03:44 PM
#1
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Anyone running a 2.08" valve on a stock CID motor? What's your setup? I know this is a broad question, but just curious if any one out there has heads with big valves in them with a 3.898" bore.
When ported LS1 heads were first becoming available, there were people with 2.08 valved setups, but I don't hear about this any more.
Ben T.
When ported LS1 heads were first becoming available, there were people with 2.08 valved setups, but I don't hear about this any more.
Ben T.
05-01-2007, 11:57 PM
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Had a set of ETP 225cc heads with Ferrea 2.1"/1.6" with 5/16" valve stem's in them. Made excellent HP & TQ with a large cam( 240/240 @ .050" dur) in my cousin's C5 Vette.
05-02-2007, 07:24 AM
#4
I have 2.08 valves in my small bore AFR 225s. They work very well, but as stated, there is more chamber/bore shrouding compared to the AFR 205s with their 2.02 valves. I make excellent power with a small cam nontheless.
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2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.
2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.
05-02-2007, 09:06 AM
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2.08 here but no dyno numbers , I bought the heads and cam from SLP as a package about 2 years ago . It was their 500hp package before the AFR heads they are using now, But even the AFRs have the 2.08 valve.
