accel or tpis
04-14-2010, 05:42 PM
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Car: 89 IROC-Z
Engine: 6.2 LS3
Transmission: MN12 T56 GTO
Axle/Gears: 3.73
accel or tpis
which would be better tpis manifold and runners or accel runners and manifolds? also i heard that accel does not make theres anymore they just give you a edelbrock parts.
also i dont have the money for a new engine so what i was thinking after i decide on a new manifold and port match it to the plenum i was thinking about a set of 1.6 roller rockers to open the vavles and get more air to the engine.
ideas photos and opions will be apperiacted
also i dont have the money for a new engine so what i was thinking after i decide on a new manifold and port match it to the plenum i was thinking about a set of 1.6 roller rockers to open the vavles and get more air to the engine.
ideas photos and opions will be apperiacted
04-15-2010, 12:46 AM
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Car: 87 IROC Z
Engine: 5.7 L98 TPI
Transmission: 700r4,2500 stall
Axle/Gears: G80,10 bolt 3.42's
Re: accel or tpis
edelbrock makes all the lower manifolds now.tpis,accel and well,thats all of them.as for runners the tpis or as&m are better out of the box but the SLPs can be found used much cheaper and ported to flow quite well.1.6 roller rockers may reqire the heads to have some minor work done which means removing the heads.That is if they are still syock heads.
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