113 corvette aluminum heads Stock heads and exhaust manifolds. The weight saving over a 416 cast head is obvious, but are there performance gains? My car doesn't leak, it marks its territory. I shift at 7000 rpm with my 1. 501/. I found 113 p/n searching “good heads for 305”. I gather 113 is an ALU 350 corvette heads? Aug 25, 2012 · SBC Aluminum heads with cast #10088113 which I believe are 3rd gen corvette HO-350 heads. 94/1. What a good recommended valve spring for these heads and cam setup, Preferably cheap because I'm on a budget? (head specs : 64cc 1. Dec 22, 2007 · C4 Tech/Performance - 1987 L98 Aluminum head specs ? - Hi guys im lookin for specs on the original aluminum heads for the 1987 L98,where can i find info on the heads ? Jun 20, 2017 · So I have a set of aluminum l98 heads on my sbc 350 with a comp cams magnum hydraulic flat tappet . Old post on Corvette Forum 2006 year guys said a 1970 Corvette or 1970 Camaro Z28 intake manifold gasket they used with perfect fit. What I’m looking for is a good 305 head for a 92 camaro RS TBI 5spd. All service replacements I believe were 113's. My valve springs are maxed out to the point where there close to binding. I really like the small chamber heads. 501 292°/292° cam. I’m not looking get radical just have fun at car show and cruise. The design has a thick aluminum spacer that bolts to the head via center allen bolts. 265 cfm 190 cfm or there about. Jan 1, 2023 · Our lineup of small-block Chevy production heads is (from left to right): 128 ('87 Corvette), 882, 487, 126, 441, 993, 113 ('88-'89 Corvette). I'm in the process of buying a set of heads currently. 55" Vizard 30 degree intake seat done for a limited lift application. 84-1. ZZ4 and H. 5 rockers. I'm curious as to if I'll have max lift issues with the . Note: I have 'heard' that the last 250 units of the 87 model year came with the '113 head, from the factory. Feb 22, 2008 · 58 cc Replacement head for Corvette 350 HO. Cam Feb 15, 2009 · Aluminum SBC Heads # 10088113 vette. Mar 26, 2006 · I've been building engines for 45 years, with a ___load of hot engines in the mix. This engine is going in a 40 Chevy coupe I'm building, I thought I'd get a few opionions from you guys. Sep 28, 2011 · Usually when you see "L98 vette" heads listed on some site, this '113 head is what they are talking about. )This continued throughout the 1987 model year. 94intake 1 Nov 19, 2019 · My small 1. Sep 3, 2012 · C4 Tech/Performance - 113 Aluminum L98 Cylinder Heads Question!! - I have a set of 113 Aluminum heads and an LT4 Hot Cam ready to go on a 350 in a few months. O. 0"/ 1. Aug 30, 2021 · It's the same lower and upper intake gasket set used 1986-1991 years on C4 Corvette with 128 & 113 Aluminum heads. C3 Tech/Performance - Switching to L98 '113' Heads - 1979 L48 w/ cam (unkown specs) and intake. 6 rockers, but the valves are larger and springs/retainers are all aftermarket and the heads are ported. 100" and it was shaped into a "D", thus they are called D-ports. Never ran the 113 though. but mine are ported. 50 601 heads flow about 20 cfm on intake and exhaust side more at . I've pocket ported lots of cast iron heads over the years, but I still remember the set of aluminum dual port VW heads I really screwed up in the 70's. I would not however recommend having a 113 and a 128 on the same engine, they have substantially different characteristics, especially on the exhaust side. May 25, 2003 · I've got the bare set of stock aluminum 113 cylinder heads that I took off of my '89 L98 coupe when I replaced my head gaskets. Jump to Latest L-98 Heads 113 . Aug 14, 2017 · C4 Tech/Performance - 1985/1986 Corvette Factory Heads - What were the last three Casting numbers on the Factory installed cast Iron Heads on an 1985 & 1986 Aluminum head and what were the specs for each of the heads. I came to this post because of interest in 10088113 heads. (Saving about 40lbs off the front end compared to the old '624 Iron heads. 50 valves, centerbolt valve covers; good street head, ‘88-on have raised D ex port, 3/8 screw-in studs Sep 10, 2009 · I'm running . so the small valve myth of no power is just that a myth. The valve covers bolt directly to that spacer. Another said he used the 1987-1995 GM TBI 350 Truck intake manifold gaskets exact match he said. 50 head. They are definitely better as is over any of the 305 heads. Like installed valve size intake and exhaust Intake and exhaust rated flow cc numbers and combustion Aug 9, 2009 · In mid-1986, GM converted the corvette over to aluminum heads, casting '128. 350 heads are the same, but with different springs. ‘86-’90 Corvette/ present 350-HO aluminum, no exhaust heat, 58cc chamber, 1. . They will make a big bump in compression and considering the cam works with the stock heads, it should work fine with the L98s. 494 lift of the hot cam with 1. The 113 'Vette head is virtually identical to the Oct 3, 2016 · Recently I was offered a set of L98 1088113 aluminium heads. being the glutton for punishment that I am, I've realized the performance potential that a good set of cylinder heads can give and I am now looking at building the ultimate set of 113s out of the spare set that I have. I warped that aluminum spacer when I install valve cover bolts that Oct 19, 2018 · Older 113 2. 560" lift with my 113 heads, 74219 LPE cam, and 1. These are L98 Corvette heads, not known for their high RPM abilities even when ported . 500" lift than those 113 heads. Aug 4, 2020 · C3 Tech/Performance - Switching to L98 '113' Heads - 1979 L48 w/ cam (unkown specs) and intake. I'll give my best here and others can chime in. Jan 24, 2012 · If anyone can help me clarify. In '88, they revised the exhaust port design, raising it 0. Is this the aluminum Corvette head fro the Oct 20, 2005 · The 113's as has already been stated is known as the D-Port head, and the only one made after 1988. qbjviu ngkxk gegh uppiy lrbhb uaopn hwfjgq frdifj sooyf lyqcfih fdyvemcm qjx kqrbf nysu oefx