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Search: Posts Made By: Phosgene
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Forum: C4 Tech/Performance
02-27-2014, 09:05 PM
Replies: 55
Views: 4,241
Posted By Phosgene

you begin with more irrelevant bullsh|t that has...

you begin with more irrelevant bullsh|t that has nothing to do with the argument and deny facts once again, something you seem to do repeatedly. you do not need to either weld mill a LT1 intake to...
Forum: C4 Tech/Performance
02-27-2014, 03:28 PM
Replies: 55
Views: 4,241
Posted By Phosgene

85 is mostly the same except for cam, which makes...

85 is mostly the same except for cam, which makes the most difference, and depending on the date its either 9 or 9.5 compression





a CFI car with mods other than the intake
Forum: C4 Tech/Performance
02-27-2014, 01:46 PM
Replies: 55
Views: 4,241
Posted By Phosgene

as for mid 13s, that can be expected with a...

as for mid 13s, that can be expected with a 270-300HP engine depending on the gearing, but once again the intake was not the only mod in that car

L98s got aluminum heads and roller cams in late...
Forum: C4 Tech/Performance
02-26-2014, 11:34 PM
Replies: 55
Views: 4,241
Posted By Phosgene

intake ,exhaust, and either torque converter or...

intake ,exhaust, and either torque converter or cat are not a intake only mod

and i did not say that LT1 intakes were TPI, i said that LT1 intakes could be adapted to be used with TPI L98 engines...
Forum: C4 Tech/Performance
02-26-2014, 08:15 PM
Replies: 55
Views: 4,241
Posted By Phosgene

alright, show ANY crossfire engine where the only...

alright, show ANY crossfire engine where the only change was the intake manifold that can make 245HP

even the renegade manifold claims to provide 15-30HP gains at best, which has never been able...
Forum: C4 Tech/Performance
02-26-2014, 03:18 PM
Replies: 55
Views: 4,241
Posted By Phosgene

unless you seriously port your CFI intake, you...

unless you seriously port your CFI intake, you will not get anywhere near 375HP or likely not even 300



at 245HP a stock TPI is far better than any crossfire intake, and even a ported crossfire...
Forum: C4 Tech/Performance
02-25-2014, 07:41 PM
Replies: 55
Views: 4,241
Posted By Phosgene

both will perform like garbage with a crossfire...

both will perform like garbage with a crossfire intake unless you seriously port it all of the way through

if you want to keep your factory wiring harness, just use a carbed intake and a 454 TBI...
Forum: C4 Tech/Performance
02-22-2014, 12:33 PM
Replies: 13
Views: 15,568
Posted By Phosgene

i believe so

i believe so
Forum: C4 Tech/Performance
02-21-2014, 06:12 PM
Replies: 19
Views: 1,827
Posted By Phosgene

very nice

very nice
Forum: C4 Tech/Performance
02-21-2014, 06:08 AM
Replies: 13
Views: 15,568
Posted By Phosgene

you can port the intake yourself, which can be...

you can port the intake yourself, which can be done but is not easy and extremely time consuming, been down that road myself

you can buy an aftermarket intake such as...
Forum: C4 Tech/Performance
02-19-2014, 05:08 PM
Replies: 20
Views: 1,666
Posted By Phosgene

supposedly not very good for the L98 fuel...

supposedly not very good for the L98 fuel injectors and eats the lead plating off the inside of terne coated gas tanks, which C4s have
Forum: C4 Tech/Performance
02-17-2014, 08:39 PM
Replies: 4
Views: 597
Posted By Phosgene

that explains a lot but why does the wiring...

that explains a lot but why does the wiring change colors between the headunit connector and the speakers, i dont think theres an amp somewhere and it wouldnt make sense for it to do that
Forum: C4 Tech/Performance
02-16-2014, 08:49 PM
Replies: 4
Views: 597
Posted By Phosgene

84 Radio pinout

I bought my 84 Z51 C4 without a headunit, it had some (poorly) installed aftermarket speakers in the rear which i have removed and intend to replace with better quality speakers and install a...
Forum: C4 Tech/Performance
02-16-2014, 05:32 AM
Replies: 3
Views: 1,133
Posted By Phosgene

in the trunk, typically mounted against the trunk...

in the trunk, typically mounted against the trunk roof or back seat
Forum: C4 Tech/Performance
02-15-2014, 09:32 PM
Replies: 14
Views: 9,490
Posted By Phosgene

if it runs somewhat lean theres a vacuum leak,...

if it runs somewhat lean theres a vacuum leak, you can also check with a vacuum guage, but generally you can find one by tracing the vacuum lines and inspecting to see if theres suction coming from...
Forum: C4 Tech/Performance
02-15-2014, 06:47 PM
Replies: 14
Views: 9,490
Posted By Phosgene

you can also find the factory specifications here...

you can also find the factory specifications here as a PDF
http://freeshopmanual.com/uploads/pdf/1984-Chevrolet-Corvette-Specifications.pdf
has diagrams for everything
Forum: C4 Tech/Performance
02-15-2014, 06:35 PM
Replies: 14
Views: 9,490
Posted By Phosgene

Worn TBIs, vacuum leaks, MAP sensor issues (and...

Worn TBIs, vacuum leaks, MAP sensor issues (and the line going to it) and failed TBI gaskets

mine had the same issue and idled 900-1600RPM also
Forum: C4 Tech/Performance
02-14-2014, 12:45 AM
Replies: 22
Views: 4,826
Posted By Phosgene

wouldnt there be issues getting the 4l60e to bolt...

wouldnt there be issues getting the 4l60e to bolt up correctly or would mounts have to be relocated, also can the 700r4 tailshaft be used on the 4l60e otherwise there might be draveshaft issues
Forum: C4 Tech/Performance
02-13-2014, 09:09 PM
Replies: 22
Views: 4,826
Posted By Phosgene

that would be great, be sure to take some nice...

that would be great, be sure to take some nice pics

also how do you plan to handle the wiring?
most likely i will be using a 5.3 LM7 or a LQ4/LQ9 6.0 if i can find one, but i plan to only use...
Forum: C4 Tech/Performance
02-13-2014, 08:36 PM
Replies: 22
Views: 4,826
Posted By Phosgene

http://www.jegs.com/i/Chevrolet-Performance/809/12...

http://www.jegs.com/i/Chevrolet-Performance/809/12563532K/10002/-1?parentProductId=835483 should work

also look at
http://www.vettaid.com/LSxPackagesKits.aspx

interested in your build since i...
Forum: C4 Tech/Performance
02-11-2014, 10:00 PM
Replies: 55
Views: 9,014
Posted By Phosgene

no offense but you would most likely get more HP...

no offense but you would most likely get more HP with the stock air ram intake which actually produces positive pressure above 60MPH, and with a cone filter behind the radiator you will be taking in...
Forum: C4 Tech/Performance
02-09-2014, 11:36 PM
Replies: 6
Views: 9,692
Posted By Phosgene

see if you or someone else can find a wiring...

see if you or someone else can find a wiring diagram
pull out the connector and check the leads to make sure each are getting the proper voltage, if not check the inline fuses and then relays and ECU
Forum: C4 Tech/Performance
02-09-2014, 10:46 PM
Replies: 3
Views: 418
Posted By Phosgene

i would think that steering racks would be the...

i would think that steering racks would be the same through all years, atleast until 1989

also if its a Z51 or Z52 the ratio might be different
Forum: C4 Tech/Performance
02-09-2014, 09:16 PM
Replies: 32
Views: 16,863
Posted By Phosgene

as for repairing the CFI, i probably could and it...

as for repairing the CFI, i probably could and it would most likely be cheaper and may or may not result in better performance but the issue is i can either spend $525 on a renegade intake, or finish...
Forum: C4 Tech/Performance
02-09-2014, 07:27 PM
Replies: 32
Views: 16,863
Posted By Phosgene

i have diagnosed all of the issues as far as i...

i have diagnosed all of the issues as far as i can, its no longer giving me any codes from the ALDL and the root cause of the problem is the throttle bodies are worn and need to be rebuilt and have a...
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