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How much HP will I gain by switching to a 1G intake manifold and TB.

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BIGBLAZE79

15+ Year Contributor
382
3
Jan 10, 2006
Mesa, Arizona
Hi all,

1st post here, I usually just search for info I need for my car.
this site has helped me out a ton by reading about others experiences and warnings.

Here's my car:
1997 talon AWD


Mods #1 - K+N, ported big16G, ported exhaust man\O2, , Gretty BOV, ACT2600, 660 inj and 190 Waldro fuel pump W/rewire. SAFC, profec-B, no cat, N1 cat back, Guages -EGT, air fuel, boost.

Mods #2- FMIC, short rought IC piping, Weisco pistons, Eagle rods, No B-shafts, FP2 cams, Crower springs Ti retainers, ARP crank and head studs, devils own water\alcahol inj,

My question is; How much power should I expect to gain by changing my intake manafold and TB to a 1G.

I am about to put the engine together with mods #2 new and am unsere if i should upgrade befor the install. I don't want my stock mani to screw me from the power potential of all these mods. My best time is 13.8 and want to hit atleast 12's or i will be PISSED!

I spun the #2 rod bearing and had the crank regound, nitrided and polished. I know its frowned on but i have a real good machine shop and am confident if all motor specs are good and i prime the oil and start it with the clutch sensor unhooked. The motor will last another 106K.

Sometimes your only purpose in life is to serve as a warning for everyone else!!!!

I also participated in the Justin ssautochrome FMIC buy and got it today. I see no reason why this could be a bad setup, maybe hard work to install but WTF isn't hard work with this car:D
 
The 1G TB & Manifold are better than the 2Gs the runner is bigger and the tb is 60mm compare to the 52mm. A great upgrade and the gains are in the top end power.

If you have a 1G Head to match the 1G Intake manifold then upgrading to 1G TB & Manifold would be a excellent upgrade and you will gain a lot of power. BUT If you are running 2G head then is pointless to have a 1G TB & Manifold because the runners are the same size as a 2G Intake manifold so it isn't helping much, You could see some small gains but if you port the 2G runners or get a 1G Head to match the 1G Intake manifold only then you can feel some differences.

You can test it out yourself i'm sure you can find the 1G TB & Manifold for under 100 or so and eventually you will have to upgrade
 
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