LT1-LT4 Modifications 1993-97 Gen II Small Block V8

AFR 195s

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Old Oct 14, 2006 | 06:16 PM
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Default AFR 195s

Need a little input on the AFR 195s. Thinking of getting a set (found on another site) to help wake up my little street engine. I have a set of LT1s ported by a SAM student and never really got a good answer on what they flowed. The seller says the AFRs flow 285/212 which I know my engine could take advantage of along with a set of a set of 1 3/4 long tubes, larger TB (still running 48 mm) and better tuneing. I would have to track down a LT4 intake also. I guess my main question is about my cam (in the sig). This is my daily driver and I want to keep the cam streetable. I know there would probably be a better choice of cams but how much better considering what I mentioned above. My times are ok but can be much better. Consistant 1.78 60 ft times can be improved with a gear change and a little higher stall. Would like to get the best times I can (of course) but 12.0 would tickle me pink. Thoughts? Comments? Am I headed in the right direction? Chime in if you can help.

Mec
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Old Oct 14, 2006 | 06:42 PM
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I can't complain about them, but about 98.5% are gonna tell you to get some LE, AI or PortPro's
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Old Oct 15, 2006 | 10:20 AM
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They're good.... any company that has a 3 month waiting list on average is shouldn't be putting out anything less than expected. The only hard part is waiting.
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Old Oct 15, 2006 | 11:56 AM
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The seller has them on hand. Purchased them new and never installed them. No waiting. I know its a deal considering his asking price. Just kinda wanted to know if the combination sounds right for my goal. Anyone can "spray" into a good ET. I wanna try and do it all motor. The combination is everything.

Mec
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Old Oct 15, 2006 | 06:00 PM
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I have the 195's and like them, they have been cnc'ed though.
I am running about the same size cam as you, just a touch bigger.
My car being a b-body is heavier.
My car is a T56 with 4.56's.
I had 3.73's and it was fine, but a heavy car needs more gear.
My motor is not a stroker either, so that will help you out.
Give you a comparison.
My car is quicker from 60-100 NA than it was with the stock motor on 100 shot.
I say go for it.
Like above some hate AFR, I dont, they worked on my motor rather well.
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Old Oct 15, 2006 | 08:30 PM
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Stock LT1- 170cc port- 194/150valve-213int/142ex flow
****
Stock LT4- 195cc port- 200/155valve-230int/159ex flow
****
AFR LT-195- 195cc port-202/160valve-240int/178ex flow

these were measured at .500 lift at 28inches..

science rules... bravado is for tools..

if you're getting a deal on the AFR's... buy them... unless someone
can produce flow numbers with similar port sizes that are superior...
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Old Oct 15, 2006 | 08:35 PM
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They are a great place to start
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Old Oct 15, 2006 | 09:41 PM
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Originally Posted by KyleDallas
Stock LT1- 170cc port- 194/150valve-213int/142ex flow
****
Stock LT4- 195cc port- 200/155valve-230int/159ex flow
****
AFR LT-195- 195cc port-202/160valve-240int/178ex flow

these were measured at .500 lift at 28inches..

science rules... bravado is for tools..

if you're getting a deal on the AFR's... buy them... unless someone
can produce flow numbers with similar port sizes that are superior...
Heads have been CNCed. Build sheet still in the box. Think I'm gonna take the plunge.

Mec
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Old Oct 15, 2006 | 11:58 PM
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Just remember you can always have them touched up if you want the most out of them. That's any cnc head really, but AFR's CNC'ing looks beautiful.
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Old Oct 16, 2006 | 12:04 AM
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^^^ yes they are... I bought the competition series
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Old Oct 16, 2006 | 12:32 PM
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Get em' if they are that good of a deal!!
You need heads to feed that stroker of yours.
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Old Oct 16, 2006 | 02:59 PM
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Hi Mike! Gonna try and get them, then install them before the shoot out! Hey, dont we have a challange to settle?

Mec
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Old Oct 17, 2006 | 02:06 PM
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pm sent
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Old Oct 17, 2006 | 02:18 PM
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Why yes....yes we do!

You're gonna NEED those heads!! lol
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Old Oct 17, 2006 | 02:40 PM
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I would say go ahead and get them.
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Old Oct 17, 2006 | 02:50 PM
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Originally Posted by streetwarrior96
^^^ yes they are... I bought the competition series
So are mine. They look great.
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