Husam said:Hello everybody I have bought these parts in accordance with the results obtained from camquest software (except for the cam) I took the results as guide lines to know what I need to buy.
I need any opinions on these parts and what results to expect when assembling. Here is the list of the parts I bought.
1-summit racing stage 3 intake manifold.
2-summit racing distributor.
3-summit racing 750cfm vacuum secondaries carburetor.
4-summit racing ignition box.
5-AFR ELIMINATOR STREET cnc machined HEADS 195CC intake and 75cc combustion chamber.
6-scorpion 1.7 roller rockers.
8-scat rotating assembly 3.48 stroke.
9-ARP Engine bolts set
10-summit racing solid camshaft 298-304 duration circle track race cam and final lift with the 1.7 roller rockers will exceed 0.600 on both sides
11-summit racing street/strip oil pan
12-high pressure/high volume oil pump (melling).
13-summit racing timing gears set (noisy).
Note
Final compression ratio is about 9.4-1
The car will be driven on street and some street racing mated to r-154 manual transmission.
Thanks in advance.
[ Husam/ said ]Hello everybody I have bought these parts in accordance with the results obtained from camquest software (except for the cam) I took the results as guide lines to know what I need to buy.
I need any opinions on these parts and what results to expect when assembling. Here is the list of the parts I bought.
1-summit racing stage 3 intake manifold.
2-summit racing distributor.
3-summit racing 750cfm vacuum secondaries carburetor.
4-summit racing ignition box.
5-AFR ELIMINATOR STREET cnc machined HEADS 195CC intake and 75cc combustion chamber.
6-scorpion 1.7 roller rockers.
(1.6:1
rocker ratio, makes far more sense , and are likely to reduce valve control and cam wear issues)
8-scat rotating assembly 3.48 stroke.
(a 3.75" stroke will get you 40-50 additional ft lbs of torque over most of the rpm range at little additional cost) a cast steel or forged steel rotating assembly with forged rods with 7/16" rod bolts would be a good bet on durability
9-ARP Engine bolts set
10-summit racing solid camshaft 298-304 duration circle track race cam and final lift with the 1.7 roller rockers will exceed 0.600 on both sides
you can,t use that much cam duration, with that low compression ratio
http://www.summitracing.com/parts/sum-ct109/overview/
11-summit racing street/strip oil pan
12-high pressure/high volume oil pump (melling).
13-summit racing timing gears set (noisy).
youll regret that idea (noisy)after a week Id bet money on that, the quite set still makes a noticeable whine its a better choice, but you might just buy a cloyes roller chain drive its going to be less problems
Note
Final compression ratio is about 9.4-1
youll want to match the cam duration and consider the drive train gearing, transmission and car weight carefully
The car will be driven on street and some street racing mated to r-154 manual transmission.
Thanks in advance.
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yes you can, easily, ignore the advise but after building nearly 150 plus engines I can assure you its to your benefit to look into those choices with a bit more detailed research or youll be spending cash on new parts rather quickly
http://garage.grumpysperformance.com/index.php?threads/semi-fool-proof-cam-sellection.82/
http://garage.grumpysperformance.com/index.php?threads/rocker-push-rod-wear-issues.9815/
http://garage.grumpysperformance.co...ding-related-links-and-info.10255/#post-55578
http://garage.grumpysperformance.co...-the-charts-calculators-and-basic-math.10705/
http://garage.grumpysperformance.co...1-6-1-ratio-rockers-and-the-pushrods-rub.198/
http://garage.grumpysperformance.co...hing-the-drive-train-to-the-engine-combo.741/
http://garage.grumpysperformance.co...earing-and-trans-choice-made-correctly.11697/
http://garage.grumpysperformance.co...lsa-effects-your-compression-torque-dcr.1070/
http://garage.grumpysperformance.com/index.php?threads/dynamic-vs-static-compression.727/
heres the soft ware dyno guess on that with the crower cam, notice a decent mid rpm torque and about 450 peak hp
heres the same combo with the original summit cam
notice about 430ft lbs/450 hp for the crower, peak power near 6500rpm vs
about 370 ft lbs/430 hp, peaking near 7500 rpm for the summit cam
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